Merge branch 'main' into feature/hubspot-trigger-orchestrator

backend/Property.py

@@ -890,6 +890,7 @@ class Property:
             "lodged_co2_emissions": float(self.epc_record.original_epc["co2-emissions-current"]),
             "lodged_heat_demand": float(self.epc_record.original_epc["energy-consumption-current"]),
             "has_been_remodelled": self.epc_record.has_been_remodelled,
+            "environment_impact_current": self.epc_record.environment_impact_current
         }
 
         return property_details_epc

backend/SearchEpc.py

@@ -2,6 +2,7 @@ import os
 import time
 import re
 
+from typing import Optional
 from urllib.parse import urlencode
 import usaddress
 import pandas as pd
@@ -162,7 +163,8 @@ class SearchEpc:
         property_type=None,
         fast=False,
         heating_system: [str, None] = None,
-        associated_uprns: [List[int] | None] = None
+        associated_uprns: [List[int] | None] = None,
+        lmk_key: Optional[str] = None,
     ):
         """
         Address lines 1 and postcode are mandatory fields. The other address lines are optional
@@ -225,6 +227,7 @@ class SearchEpc:
         # Be default, this is set to false. This flag indicates whether we should take the existing EPC, but use
         # the estimated EPC to clean missings
         self.clean_missing_on_expired = False
+        self.lmk_key = lmk_key
 
     def set_strict_property_type_search(self):
         """
@@ -289,18 +292,22 @@ class SearchEpc:
         else:
             return None
 
-    def _get_epc(self, params, size):
+    def _get_epc(self, params, size, lmk_key=None):
         """
         To be called by get_epc() - not for external usage
         """
 
-        url = os.path.join(self.client.domestic.host, "search")
-        if size:
-            url += "?" + urlencode({k: v for k, v in {"size": size}.items() if v})
+        if lmk_key is not None:
+            url = os.path.join(self.client.domestic.host, f"certificate/{lmk_key}")
+        else:
+            url = os.path.join(self.client.domestic.host, "search")
+            if size:
+                url += "?" + urlencode({k: v for k, v in {"size": size}.items() if v})
 
         for retry in range(self.max_retries):
             try:
                 response = self.client.domestic.call(method="get", url=url, params=params)
+
                 if response:
                     self.data = response
                     return {
@@ -341,6 +348,15 @@ class SearchEpc:
                 self.data = output["response"]
             return output["msg"]
 
+        if self.lmk_key:
+            data = {"rows": []}
+            api_response = self._get_epc(params={}, size=size, lmk_key=self.lmk_key)
+            data["rows"].extend(api_response["response"]["rows"])
+            api_response["msg"] = self.SUCCESS
+            self.data = data
+            self.data["rows"][0]["uprn"] = str(self.uprn)
+            return api_response["msg"]
+
         if not self.uprn and not self.address1 and not self.postcode:
             raise ValueError("No search parameters provided")
 

backend/addresses/Address.py

@@ -48,6 +48,10 @@ class Address:
     # domna_full_address: Optional[str]
     # domna_address_1: Optional[str]
 
+    # Identifiers to handle the case where we have erroneous matches based on UPRN due to probelmatic EPC data
+    lmk_key: Optional[str]
+    epc_certificate_number: Optional[str]
+
     @property
     def request_data(self) -> dict[str, Optional[str]]:
         """

backend/addresses/Addresses.py

@@ -134,6 +134,19 @@ class Addresses:
 
         postcode = str(row.get("postcode", "")).strip().upper()
 
+        lmk_key = row.get("lmk_key", None)
+        # Handle NAN
+        if pd.isnull(lmk_key):
+            lmk_key = None
+
+        epc_certificate_number = row.get("certificate_number", None)
+        if pd.isnull(epc_certificate_number):
+            epc_certificate_number = None
+
+        landlord_heating_system = row.get("epc_heating_type", None)
+        if pd.isnull(landlord_heating_system):
+            landlord_heating_system = None
+
         return Address(
             uprn=uprn,
             landlord_property_id=str(row["landlord_property_id"]) if row.get("landlord_property_id") else None,
@@ -153,7 +166,7 @@ class Addresses:
             landlord_roof_construction=None,
             landlord_floor_construction=None,
             landlord_windows_type=None,
-            landlord_heating_system=row.get("epc_heating_type"),
+            landlord_heating_system=landlord_heating_system,
             landlord_fuel_type=None,
             landlord_heating_controls=None,
             landlord_hot_water_system=None,
@@ -168,4 +181,8 @@ class Addresses:
             landlord_has_sloping_ceiling=None,
             landlord_multi_glaze_proportion=None,
             landlord_construction_age_band=None,
+
+            # EPC identifiers which are helpful if UPRN is problematic
+            lmk_key=lmk_key,
+            epc_certificate_number=epc_certificate_number
         )

backend/app/db/functions/epc_functions.py

@@ -11,7 +11,7 @@ class EpcStoreService:
     Service layer for EPC data lookup and persistence.
     """
 
-    FRESHNESS_DAYS = 180  # Upgraded to 180 days
+    FRESHNESS_DAYS = 14  # Upgraded to 14 days
 
     # status labels
     FRESH = "fresh"
@@ -22,7 +22,7 @@ class EpcStoreService:
     def get_epc_for_uprn(cls, session: Session, uprn: int):
         """
         Query EPC data for a given UPRN and return a dict describing:
-        - epc_api: only if within last 30 days
+        - epc_api: only if within last 21 days
         - epc_page: only if epc_api exists
         - status: 'fresh', 'expired', or 'missing'
         """

backend/app/db/functions/uploaded_files_functions.py

@@ -0,0 +1,25 @@
+from typing import Optional
+
+from sqlalchemy import select
+
+from backend.app.db.connection import db_read_session
+from backend.app.db.models.uploaded_file import (
+    FileSourceEnum,
+    FileTypeEnum,
+    UploadedFile,
+)
+
+
+def get_uploaded_file_by_listing_type_and_source(
+    hubspot_listing_id: int,
+    file_type: FileTypeEnum,
+    file_source: FileSourceEnum,
+) -> Optional[UploadedFile]:
+    with db_read_session() as session:
+        statement = select(UploadedFile).where(
+            UploadedFile.hubspot_listing_id == hubspot_listing_id,
+            UploadedFile.file_type == file_type,
+            UploadedFile.file_source == file_source,
+        )
+
+        return session.exec(statement).one_or_none()

backend/app/db/models/portfolio.py

@@ -263,6 +263,8 @@ class PropertyDetailsEpcModel(Base):
     lodged_heat_demand = Column(Float)
     has_been_remodelled = Column(Boolean, default=False)
 
+    environment_impact_current = Column(Float)
+
 
 class PropertyDetailsSpatial(Base):
     __tablename__ = "property_details_spatial"

backend/app/db/models/uploaded_file.py

@@ -14,6 +14,8 @@ class FileTypeEnum(enum.Enum):
     PAR_PHOTO_PACK = "par_photo_pack"
     PAS_2023_PROPERTY = "pas_2023_property"
     PAS_2023_OCCUPANCY = "pas_2023_occupancy"
+    ECMK_SITE_NOTE = "ecmk_site_note"
+    ECMK_RD_SAP_SITE_NOTE = "ecmk_rd_sap_site_note"
 
 
 class FileSourceEnum(enum.Enum):
@@ -37,9 +39,21 @@ class UploadedFile(Base):
     hubspot_listing_id = Column(BigInteger, nullable=True)
 
     file_type = Column(
-        SqlEnum(FileTypeEnum, name="file_type", create_type=False), nullable=True
+        SqlEnum(
+            FileTypeEnum,
+            name="file_type",
+            create_type=False,
+            values_callable=lambda enum_cls: [e.value for e in enum_cls],
+        ),
+        nullable=True,
     )
 
     file_source = Column(
-        SqlEnum(FileSourceEnum, name="file_source", create_type=False), nullable=True
+        SqlEnum(
+            FileSourceEnum,
+            name="file_source",
+            create_type=False,
+            values_callable=lambda enum_cls: [e.value for e in enum_cls],
+        ),
+        nullable=True,
     )

backend/ecmk_fetcher/address_list.py

@@ -1,40 +1,59 @@
-from typing import Dict, Optional
-from openpyxl import load_workbook
 import re
+from dataclasses import dataclass
+from typing import Any, Dict, Optional
+from openpyxl import Workbook, load_workbook
+from openpyxl.worksheet.worksheet import Worksheet
 
 
-def extract_addresses_from_spreadsheet(filepath: str) -> Dict[str, str]:
-    wb = load_workbook(filepath, data_only=True)
-    ws = wb["Southern RA-Lite Programme 3103"]
+@dataclass
+class PropertyRow:
+    row_index: int
+    address: str
+    listing_id: str
 
-    properties: Dict[str, str] = {}
 
-    header_row = 1
-    id_col_index = None
-    deal_name_col_index = None
+def extract_addresses_from_spreadsheet(
+    filepath: str,
+) -> Dict[str, PropertyRow]:
+    wb: Workbook = load_workbook(filepath, data_only=True)
+    ws: Worksheet = wb["Southern RA-Lite Programme 3103"]
 
+    header_row: int = 1
+    id_col: Optional[int] = None
+    deal_name_col: Optional[int] = None
+    listing_id_col: Optional[int] = None
+
+    # find columns
     for col in range(1, ws.max_column + 1):
-        value = ws.cell(row=header_row, column=col).value
+        raw_value: Any = ws.cell(row=header_row, column=col).value
+        value: str = str(raw_value).strip().lower() if raw_value else ""
 
-        if value and str(value).strip().lower() == "id":
-            id_col_index = col
+        if value == "id":
+            id_col = col
+        elif value == "deal name":
+            deal_name_col = col
+        elif value == "associated listing ids":
+            listing_id_col = col
 
-        if value and str(value).strip().lower() == "deal name":
-            deal_name_col_index = col
-            break
+    if id_col is None or deal_name_col is None or listing_id_col is None:
+        raise Exception("Missing required columns")
 
-    if id_col_index is None or deal_name_col_index is None:
-        raise Exception("Required columns not found")
+    properties: Dict[str, PropertyRow] = {}
 
     for row in range(2, ws.max_row + 1):
-        id_val = ws.cell(row=row, column=id_col_index).value
-        deal_name = ws.cell(row=row, column=deal_name_col_index).value
+        id_val: Any = ws.cell(row=row, column=id_col).value
+        deal_name: Any = ws.cell(row=row, column=deal_name_col).value
+        listing_id: Any = ws.cell(row=row, column=listing_id_col).value
 
-        if not id_val or not deal_name:
+        if not id_val or not deal_name or not listing_id:
             continue
 
-        properties[str(id_val).strip()] = extract_succinct_address(
-            str(deal_name).strip()
+        property_id: str = str(id_val).strip()
+
+        properties[property_id] = PropertyRow(
+            row_index=row,
+            address=extract_succinct_address(str(deal_name)),
+            listing_id=listing_id,
         )
 
     return properties

backend/ecmk_fetcher/browser.py

@@ -50,6 +50,7 @@ def get_first_row_signature(page: Page) -> str:
 
 
 def go_to_next_page(page: Page) -> bool:
+    logger.info("Going to next page")
     before = get_first_row_signature(page)
 
     page.locator("#assessmentDatatable_next a").click()

backend/ecmk_fetcher/handler/Dockerfile

@@ -0,0 +1,26 @@
+FROM mcr.microsoft.com/playwright/python:v1.58.0-jammy
+
+# Install AWS Lambda RIE
+ADD https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie /usr/local/bin/aws-lambda-rie
+RUN chmod +x /usr/local/bin/aws-lambda-rie
+
+# Set working directory (Lambda task root)
+WORKDIR /var/task
+
+COPY backend/ecmk_fetcher/handler/requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY utils/ utils/
+COPY backend/ backend/
+COPY datatypes/ datatypes/
+
+# Local lambda entrypoint 
+# ENTRYPOINT ["/usr/local/bin/aws-lambda-rie", "python", "-m", "awslambdaric"]
+
+#AWS lambda entrypoint
+ENTRYPOINT ["python", "-m", "awslambdaric"]
+
+# -----------------------------
+# Lambda handler
+# -----------------------------
+CMD ["backend.ecmk_fetcher.handler.handler.handler"]

backend/ecmk_fetcher/handler/handler.py

@@ -1,9 +1,13 @@
 from typing import Any, Mapping
 
 from backend.ecmk_fetcher.processor import run_job
+from utils.logger import setup_logger
+
+logger = setup_logger()
 
 
 def handler(event: Mapping[str, Any], context: Any) -> None:
+    logger.info("Entered handler")
     run_job()
 
 

backend/ecmk_fetcher/handler/requirements.txt

@@ -0,0 +1,12 @@
+awslambdaric
+playwright==1.58.0
+msal
+openpyxl
+sqlalchemy==2.0.36
+sqlmodel
+pytz==2024.2
+psycopg2-binary==2.9.10
+pydantic-settings==2.6.0
+boto3==1.35.44
+pandas==2.2.2
+numpy<2.0

backend/ecmk_fetcher/local_handler/docker-compose.yml

@@ -0,0 +1,11 @@
+version: "3.9"
+
+services:
+  ecmk-fetcher-lambda:
+    build:
+      context: ../../../
+      dockerfile: backend/ecmk_fetcher/handler/Dockerfile
+    ports:
+      - "9000:8080"
+    env_file:
+      - ../../../.env

backend/ecmk_fetcher/local_handler/invoke_local_lambda.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+import json
+import requests
+
+HOST = "localhost"
+PORT = "9000"
+
+LAMBDA_URL = f"http://{HOST}:{PORT}/2015-03-31/functions/function/invocations"
+
+payload = {
+    "Records": [
+        {
+            "body": json.dumps(
+                {
+                    "test": 123456,
+                }
+            )
+        }
+    ]
+}
+
+response = requests.post(LAMBDA_URL, json=payload)
+
+print("Status code:", response.status_code)
+print("Response:")
+print(response.text)

backend/ecmk_fetcher/processor.py

@@ -1,6 +1,5 @@
 import os
-from typing import Dict, List
-
+from typing import Dict
 from playwright.sync_api import (
     sync_playwright,
     Locator,
@@ -9,7 +8,14 @@ from playwright.sync_api import (
     BrowserContext,
 )
 
-from backend.ecmk_fetcher.address_list import extract_addresses_from_spreadsheet
+from backend.app.db.functions.uploaded_files_functions import (
+    get_uploaded_file_by_listing_type_and_source,
+)
+from backend.app.db.models.uploaded_file import FileSourceEnum, FileTypeEnum
+from backend.ecmk_fetcher.address_list import (
+    PropertyRow,
+    extract_addresses_from_spreadsheet,
+)
 from backend.ecmk_fetcher.browser import (
     attach_debug_listeners,
     download_with_retry,
@@ -18,14 +24,25 @@ from backend.ecmk_fetcher.browser import (
     go_to_next_page,
     login,
 )
-from backend.ecmk_fetcher.reports import REPORT_TYPES, build_property_id
-from backend.ecmk_fetcher.sharepoint import upload_file_to_sharepoint
+from backend.ecmk_fetcher.reports import (
+    REPORT_TYPES,
+    build_property_id,
+    map_report_type_to_db_file_type,
+)
+from backend.ecmk_fetcher.upload import (
+    upload_file_to_s3_and_update_db,
+    upload_file_to_sharepoint,
+)
+from utils.logger import setup_logger
 from utils.sharepoint.domna_sharepoint_client import DomnaSharepointClient
 from utils.sharepoint.domna_sites import DomnaSites
 
+logger = setup_logger()
+
 
 def run_job() -> None:
-    username: str = ""
+
+    username: str = ""  # TODO: get from github secrets
     password: str = ""
 
     property_list_file: str = (
@@ -35,8 +52,7 @@ def run_job() -> None:
     BASE_DIR: str = os.path.dirname(__file__)
     filepath: str = os.path.join(BASE_DIR, property_list_file)
 
-    property_map: Dict[str, str] = extract_addresses_from_spreadsheet(filepath)
-    property_ids: List[str] = list(property_map.keys())
+    property_map: Dict[str, PropertyRow] = extract_addresses_from_spreadsheet(filepath)
 
     sharepoint_client: DomnaSharepointClient = DomnaSharepointClient(
         sharepoint_location=DomnaSites.PRIVATE_PAY
@@ -44,6 +60,8 @@ def run_job() -> None:
 
     sharepoint_base_path: str = "/Projects/Southern Housing/SH-SURV-26-001/Assessments"
 
+    s3_bucket: str = "retrofit-energy-assessments-dev"
+
     with sync_playwright() as p:
         browser: Browser = p.chromium.launch(headless=True)
         context: BrowserContext = browser.new_context()
@@ -79,14 +97,38 @@ def run_job() -> None:
 
                         property_id: str = build_property_id(address, postcode)
 
-                        if property_id not in property_ids:
+                        property_row: PropertyRow | None = property_map.get(property_id)
+
+                        if not property_row:
                             continue
 
-                        sharepoint_address: str = property_map[property_id]
+                        logger.info(f"Match found for property {address}")
+
+                        sharepoint_address: str = property_row.address
 
                         go_to_assessment_details(page, row)
 
                         for report_type in REPORT_TYPES:
+                            hubspot_listing_id: str = property_row.listing_id
+                            try:
+                                db_file_type: FileTypeEnum = (
+                                    map_report_type_to_db_file_type(report_type)
+                                )
+
+                            except ValueError:
+                                logger.error(
+                                    f"Unknown report type {report_type}, skipping file"
+                                )
+                                continue
+
+                            if get_uploaded_file_by_listing_type_and_source(
+                                hubspot_listing_id=int(hubspot_listing_id),
+                                file_type=db_file_type,
+                                file_source=FileSourceEnum.ECMK,
+                            ):
+                                logger.debug("File already uploaded to s3, skipping")
+                                continue
+
                             file_path: str | None = download_with_retry(
                                 page, report_type
                             )
@@ -94,6 +136,10 @@ def run_job() -> None:
                             if not file_path:
                                 continue
 
+                            logger.info(
+                                f"Successfully downloaded file {os.path.basename(file_path)} from ECMK"
+                            )
+
                             try:
                                 upload_file_to_sharepoint(
                                     client=sharepoint_client,
@@ -101,6 +147,20 @@ def run_job() -> None:
                                     base_path=sharepoint_base_path,
                                     subpath=sharepoint_address,
                                 )
+                                logger.info(
+                                    f"Successfully loaded {os.path.basename(file_path)} to sharepoint for {address}"
+                                )
+
+                                # Upload to s3 and update db
+                                upload_file_to_s3_and_update_db(
+                                    bucket=s3_bucket,
+                                    file_path=file_path,
+                                    hubspot_listing_id=hubspot_listing_id,
+                                    file_type=db_file_type,
+                                )
+
+                            except Exception:
+                                raise
                             finally:
                                 if os.path.exists(file_path):
                                     os.remove(file_path)

backend/ecmk_fetcher/reports.py

@@ -1,5 +1,7 @@
 from enum import Enum
 
+from backend.app.db.models.uploaded_file import FileTypeEnum
+
 
 class FileDownloadButtonType(Enum):
     ASSESSOR_HUB_SITENOTE_REPORT = 11
@@ -15,6 +17,16 @@ REPORT_TYPES = [
 ]
 
 
+def map_report_type_to_db_file_type(report_type: int) -> FileTypeEnum:
+    match report_type:
+        case FileDownloadButtonType.ASSESSOR_HUB_SITENOTE_REPORT.value:
+            return FileTypeEnum.ECMK_SITE_NOTE
+        case FileDownloadButtonType.SITENOTE_REPORT.value:
+            return FileTypeEnum.ECMK_RD_SAP_SITE_NOTE
+        case _:
+            raise ValueError("Unknown report type")
+
+
 def build_report_selector(report_type: int) -> str:
     return f"a.download-report-btn[data-report-type='{report_type}']"
 

backend/ecmk_fetcher/sharepoint.py

@@ -1,20 +0,0 @@
-import os
-
-from utils.sharepoint.domna_sharepoint_client import DomnaSharepointClient
-
-
-def upload_file_to_sharepoint(
-    client: DomnaSharepointClient,
-    file_path: str,
-    base_path: str,
-    subpath: str,
-) -> None:
-    filename = os.path.basename(file_path)
-
-    full_path = f"{base_path}/{subpath}/1. Retrofit Assessment/A. Assessment"
-
-    client.upload_file(
-        file_path=file_path,
-        sharepoint_path=full_path,
-        file_name=filename,
-    )

backend/ecmk_fetcher/upload.py

@@ -0,0 +1,51 @@
+from datetime import datetime, timezone
+import os
+
+from backend.app.db.connection import db_session
+from backend.app.db.models.uploaded_file import (
+    FileSourceEnum,
+    FileTypeEnum,
+    UploadedFile,
+)
+from utils.s3 import upload_file_to_s3
+from utils.sharepoint.domna_sharepoint_client import DomnaSharepointClient
+
+
+def upload_file_to_sharepoint(
+    client: DomnaSharepointClient,
+    file_path: str,
+    base_path: str,
+    subpath: str,
+) -> None:
+    filename = os.path.basename(file_path)
+
+    full_path = f"{base_path}/{subpath}/1. Retrofit Assessment/A. Assessment"
+
+    client.upload_file(
+        file_path=file_path,
+        sharepoint_path=full_path,
+        file_name=filename,
+    )
+
+
+def upload_file_to_s3_and_update_db(
+    bucket: str, file_path: str, hubspot_listing_id: str, file_type: FileTypeEnum
+) -> None:
+    filename: str = os.path.basename(file_path)
+    key: str = f"documents/hubspot_listing_id/{hubspot_listing_id}/{filename}"
+
+    upload_file_to_s3(file_path, bucket, key)
+
+    uploaded_file = UploadedFile(
+        s3_file_bucket=bucket,
+        s3_file_key=key,
+        s3_upload_timestamp=datetime.now(timezone.utc),
+        hubspot_listing_id=hubspot_listing_id,
+        file_source=FileSourceEnum.ECMK.value,
+        file_type=file_type.value,
+    )
+
+    with db_session() as session:
+        # TODO: we should do multiple files at once to reduce db trips
+        session.add(uploaded_file)
+        session.commit()

backend/engine/engine.py

@@ -582,7 +582,8 @@ async def model_engine(body: PlanTriggerRequest):
                 os_api_key="",
                 full_address=addr.full_address,
                 heating_system=addr.landlord_heating_system,
-                associated_uprns=associated_uprns
+                associated_uprns=associated_uprns,
+                lmk_key=addr.lmk_key
             )
             epc_searcher.ordnance_survey_client.built_form = addr.landlord_built_form
             epc_searcher.ordnance_survey_client.property_type = addr.landlord_property_type
@@ -627,7 +628,12 @@ async def model_engine(body: PlanTriggerRequest):
 
             # if we have a remote assment data type, we pull the additional data and include it
             epc_page_source, find_my_epc_components = {}, []
-            if (body.event_type == "remote_assessment") and not (epc_searcher.newest_epc.get("estimated")):
+            if ((body.event_type == "remote_assessment") and not (
+                epc_searcher.newest_epc.get("estimated"))
+            ) or addr.epc_certificate_number:
+
+                if addr.epc_certificate_number:
+                    rrn = addr.epc_certificate_number
                 property_non_invasive_recommendations, patch, epc_page_source, find_my_epc_components = (
                     RetrieveFindMyEpc.get_from_epc_with_fallback(
                         epc=epc_searcher.newest_epc,
@@ -641,6 +647,10 @@ async def model_engine(body: PlanTriggerRequest):
 
             epc_records = patch_epc(patch, epc_records)
 
+            # Hack - temp while we're planning to rebuild backend
+            if addr.epc_certificate_number is not None and epc_records["original_epc"].get("estimated"):
+                epc_records["original_epc"]["estimated"] = False
+
             prepared_epc = EPCRecord(
                 epc_records=epc_records, run_mode="newdata", cleaning_data=cleaning_data, address_metadata=addr
             )

backend/epc_api/api_spec.md

@@ -0,0 +1 @@
+Hello World

backend/epc_api/json_samples/CEPC-7.0/cepc+rr.json

@@ -0,0 +1,278 @@
+{
+  "ber": 158.9,
+  "ser": 59.26,
+  "ter": 39.95,
+  "tyr": 106.52,
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "PT42 7AD",
+  "post_town": "POSTTOWN",
+  "issue_date": "2013-08-16",
+  "methodology": "SBEM",
+  "report_type": 3,
+  "schema_type": "CEPC-7.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2023-08-15",
+  "asset_rating": 134,
+  "language_code": 1,
+  "output_engine": "EPCgen, v4.1.e.5",
+  "property_type": "A3/A4/A5 Restaurant and Cafes/Drinking Establishments and Hot Food takeaways",
+  "address_line_2": "Acme Coffee",
+  "address_line_3": "13 Old Street",
+  "assessment_type": "CEPC",
+  "inspection_date": "2013-08-10",
+  "inspection_type": "Physical",
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_rating_unknown_flag": 1
+    },
+    "ac_inspection_commissioned": 4
+  },
+  "calculation_tool": "CLG, iSBEM, v4.1.e, SBEM, v4.1.e.5",
+  "is_heritage_site": "N",
+  "transaction_type": 1,
+  "registration_date": "2013-08-15",
+  "building_complexity": "Level 3",
+  "new_build_benchmark": 34,
+  "location_description": "Located in main shopping area in Posttown town centre",
+  "technical_information": {
+    "floor_area": 314,
+    "building_level": 3,
+    "main_heating_fuel": "Grid Supplied Electricity",
+    "building_environment": "Heating and Natural Ventilation"
+  },
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 313.8,
+        "weather": "BEL",
+        "activities": [
+          {
+            "id": 1010,
+            "area": 142.6
+          },
+          {
+            "id": 1030,
+            "area": 66.9
+          },
+          {
+            "id": 1032,
+            "area": 58.4
+          },
+          {
+            "id": 1036,
+            "area": 4.8
+          },
+          {
+            "id": 1031,
+            "area": 41.1
+          }
+        ],
+        "building_w_k": 1317.44,
+        "hvac_systems": [
+          {
+            "area": 142.6,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1010,
+                "area": 142.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 0,
+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 47.0757,
+            "mj_m2_heating_dem": 604.144
+          },
+          {
+            "area": 171.2,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Grid Supplied Electricity",
+            "activities": [
+              {
+                "id": 1030,
+                "area": 66.9
+              },
+              {
+                "id": 1032,
+                "area": 58.4
+              },
+              {
+                "id": 1036,
+                "area": 4.8
+              },
+              {
+                "id": 1031,
+                "area": 41.1
+              }
+            ],
+            "heat_source": "Room heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.8,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 255.695,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 1,
+            "kwh_m2_auxiliary": 1.95411,
+            "mj_m2_cooling_dem": 683.721,
+            "mj_m2_heating_dem": 736.402
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 873.7,
+        "building_alpha": 3.81869,
+        "building_w_m2k": 1.50789,
+        "q50_infiltration": 25,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 27.3554,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 0,
+          "kwh_m2_heating": 139.499,
+          "kwh_m2_lighting": 139.423,
+          "kwh_m2_supplied": 307.344,
+          "kwh_m2_auxiliary": 1.06611,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 66.704,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 0,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 313.8,
+        "weather": "BEL",
+        "activities": [
+          {
+            "id": 1010,
+            "area": 142.6
+          },
+          {
+            "id": 1030,
+            "area": 66.9
+          },
+          {
+            "id": 1032,
+            "area": 58.4
+          },
+          {
+            "id": 1036,
+            "area": 4.8
+          },
+          {
+            "id": 1031,
+            "area": 41.1
+          }
+        ],
+        "building_w_k": 301.464,
+        "hvac_systems": [
+          {
+            "area": 142.6,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1010,
+                "area": 142.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 0,
+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 18.7903,
+            "mj_m2_heating_dem": 179.595
+          },
+          {
+            "area": 171.2,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1030,
+                "area": 66.9
+              },
+              {
+                "id": 1032,
+                "area": 58.4
+              },
+              {
+                "id": 1036,
+                "area": 4.8
+              },
+              {
+                "id": 1031,
+                "area": 41.1
+              }
+            ],
+            "heat_source": "Room heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.792,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 104.881,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0.521096,
+            "mj_m2_cooling_dem": 287.737,
+            "mj_m2_heating_dem": 299.036
+          }
+        ],
+        "analysis_type": "NOTIONAL",
+        "area_exterior": 873.7,
+        "building_alpha": 42.6344,
+        "building_w_m2k": 0.345043,
+        "q50_infiltration": 6.0896,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 32.702,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 89.9222,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 0,
+          "kwh_m2_heating": 57.2199,
+          "kwh_m2_lighting": 25.9805,
+          "kwh_m2_supplied": 26.2648,
+          "kwh_m2_auxiliary": 0.284295,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 66.704,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 0,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "existing_stock_benchmark": 90,
+  "related_certificate_number": "4444-5555-6666-7777-8889",
+  "current_energy_efficiency_band": "F"
+}

backend/epc_api/json_samples/CEPC-7.0/cepc-rr.json

@@ -0,0 +1,60 @@
+{
+  "uprn": 12457,
+  "status": "cancelled",
+  "postcode": "SW1A 2AA",
+  "post_town": "Fulchester",
+  "issue_date": "2020-05-14",
+  "report_type": 4,
+  "schema_type": "CEPC-7.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2021-05-03",
+  "long_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider installing an air source heat pump.",
+      "recommendation_code": "EPC-R5"
+    }
+  ],
+  "language_code": 1,
+  "other_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider installing PV.",
+      "recommendation_code": "EPC-R4"
+    }
+  ],
+  "property_type": "B1 Offices and Workshop businesses",
+  "short_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider replacing T8 lamps with retrofit T5 conversion kit.",
+      "recommendation_code": "ECP-L5"
+    },
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required.",
+      "recommendation_code": "EPC-L7"
+    }
+  ],
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "medium_payback": [
+    {
+      "co2_impact": "MEDIUM",
+      "recommendation": "Add optimum start/stop to the heating system.",
+      "recommendation_code": "EPC-H7"
+    }
+  ],
+  "assessment_type": "CEPC-RR",
+  "inspection_date": "2020-05-04",
+  "calculation_tool": "CEPC Compute v0.2",
+  "formatted_report": "ZGVmYXVsdA==",
+  "registration_date": "2020-05-05",
+  "technical_information": {
+    "floor_area": 10,
+    "building_environment": "Natural Ventilation Only"
+  },
+  "related_certificate_number": "0000-0000-0000-0000-0001"
+}

backend/epc_api/json_samples/CEPC-7.0/cepc.json

@@ -0,0 +1,285 @@
+{
+  "ber": 67.09,
+  "ser": 42.07,
+  "ter": 23.2,
+  "tyr": 67.98,
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "SW1A 2AA",
+  "post_town": "Whitbury",
+  "issue_date": "2020-05-14",
+  "report_type": 3,
+  "schema_type": "CEPC-7.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2026-05-04",
+  "asset_rating": 80,
+  "language_code": 1,
+  "property_type": "B1 Offices and Workshop businesses",
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "assessment_type": "CEPC",
+  "inspection_date": "2020-05-04",
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_kw_rating": 100
+    },
+    "ac_estimated_output": 3,
+    "ac_inspection_commissioned": 1
+  },
+  "calculation_tool": "Casio fx-39",
+  "is_heritage_site": "N",
+  "or_building_data": {
+    "hvac_system": "Yes",
+    "other_hvac_system": "Yes",
+    "internal_environment": "Yes",
+    "assessment_period_alignment": "Yes"
+  },
+  "transaction_type": 1,
+  "or_benchmark_data": {
+    "benchmarks": [
+      {
+        "floor_area": 403,
+        "benchmark_id": 1
+      }
+    ]
+  },
+  "registration_date": "2020-05-04",
+  "building_complexity": "Level 3",
+  "new_build_benchmark": 28,
+  "or_usable_floor_area": {
+    "ufa_1": {
+      "floor_area": 100
+    }
+  },
+  "or_energy_consumption": {
+    "anthracite": {
+      "end_date": "2030-12-25",
+      "estimate": 3,
+      "start_date": "2019-12-25",
+      "consumption": 12.6
+    }
+  },
+  "technical_information": {
+    "floor_area": 403,
+    "building_level": 3,
+    "main_heating_fuel": "Natural Gas",
+    "renewable_sources": "Renewable sources test",
+    "special_energy_uses": "Test sp",
+    "building_environment": "Air Conditioning",
+    "or_availability_date": "2020-01-04",
+    "other_fuel_description": "Test"
+  },
+  "or_assessment_end_date": "2030-05-14",
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 411.86,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 1.963,
+            "heating_sseff": 0.827,
+            "kwh_m2_cooling": 25.3865,
+            "kwh_m2_heating": 41.0355,
+            "cooling_gen_seer": 2.5,
+            "heating_gen_seff": 0.89,
+            "kwh_m2_auxiliary": 39.0832,
+            "mj_m2_cooling_dem": 179.401,
+            "mj_m2_heating_dem": 122.171
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 1058.32,
+        "building_alpha": 18.3412,
+        "building_w_m2k": 0.389164,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 2.77834,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 3.07665,
+          "kwh_m2_ses": 0.801605,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 3.02777,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 25.3865,
+          "kwh_m2_heating": 41.0355,
+          "kwh_m2_lighting": 54.0787,
+          "kwh_m2_supplied": 121.327,
+          "kwh_m2_auxiliary": 39.0832,
+          "kwh_m2_displaced": 6.10442,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 41.0355,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 362.524,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 3.6,
+            "heating_sseff": 0.819,
+            "kwh_m2_cooling": 7.46769,
+            "kwh_m2_heating": 18.1581,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 14.0716,
+            "mj_m2_cooling_dem": 96.7814,
+            "mj_m2_heating_dem": 53.5375
+          }
+        ],
+        "analysis_type": "NOTIONAL",
+        "area_exterior": 1058.32,
+        "building_alpha": 11.2489,
+        "building_w_m2k": 0.342547,
+        "q50_infiltration": 3,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 3.33761,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 3.33761,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 7.46769,
+          "kwh_m2_heating": 18.1582,
+          "kwh_m2_lighting": 14.4489,
+          "kwh_m2_supplied": 35.9883,
+          "kwh_m2_auxiliary": 14.0716,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 18.1582,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 718.761,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 25.6538,
+            "kwh_m2_heating": 71.9516,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.16062,
+            "mj_m2_cooling_dem": 207.795,
+            "mj_m2_heating_dem": 189.088
+          }
+        ],
+        "analysis_type": "REFERENCE",
+        "area_exterior": 1058.32,
+        "building_alpha": 10,
+        "building_w_m2k": 0.679153,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 6.41192,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 25.6538,
+          "kwh_m2_heating": 71.9516,
+          "kwh_m2_lighting": 45.54,
+          "kwh_m2_supplied": 73.3544,
+          "kwh_m2_auxiliary": 2.16062,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 78.3634,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "renewable_energy_source": [
+    {
+      "name": "Solar panel",
+      "end_date": "2030-12-25",
+      "generation": 20,
+      "start_date": "2019-12-25",
+      "energy_type": 2
+    }
+  ],
+  "existing_stock_benchmark": 81,
+  "or_assessment_start_date": "2020-05-14",
+  "related_certificate_number": "4192-1535-8427-8844-6702",
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-7.0/dec+rr.json

@@ -0,0 +1,128 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "PT4 1SK",
+  "post_town": "POSTTOWN",
+  "dec_status": 0,
+  "issue_date": "2016-02-23",
+  "methodology": "ORCalc",
+  "reason_type": 2,
+  "report_type": 1,
+  "schema_type": "CEPC-7.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2017-04-24",
+  "language_code": 1,
+  "output_engine": "ORGen v3.6.2",
+  "property_type": "Schools And Seasonal Public Buildings; Swimming Pool Centre",
+  "address_line_1": "Mr Blobby's Sports Academy",
+  "address_line_2": "Mr Blobby's Academy",
+  "address_line_3": "Blobby Custard Lane",
+  "assessment_type": "DEC",
+  "inspection_date": "2016-04-11",
+  "this_assessment": {
+    "heating_co2": 153,
+    "energy_rating": 77,
+    "nominated_date": "2016-02-23",
+    "renewables_co2": 0,
+    "electricity_co2": 163
+  },
+  "ac_questionnaire": {
+    "ac_present": "Yes",
+    "ac_rated_output": {
+      "ac_rating_unknown_flag": 1
+    },
+    "ac_estimated_output": 2,
+    "ac_inspection_commissioned": 4
+  },
+  "calculation_tool": "Property-Tectonics Ltd, Lifespan DEC, v3.6.1",
+  "or_building_data": {
+    "hvac_system": "Radiators",
+    "internal_environment": "Mixed-mode with Natural Ventilation",
+    "assessment_period_alignment": "End Of Main Heating Fuel Period"
+  },
+  "or_previous_data": {
+    "asset_rating": 0,
+    "previous_rating_1": {
+      "or": 95,
+      "ormm": 11,
+      "oryyyy": 2014
+    },
+    "previous_rating_2": {
+      "or": 113,
+      "ormm": 11,
+      "oryyyy": 2013
+    }
+  },
+  "year1_assessment": {
+    "heating_co2": 176,
+    "energy_rating": 95,
+    "nominated_date": "2014-11-30",
+    "renewables_co2": 0,
+    "electricity_co2": 266
+  },
+  "year2_assessment": {
+    "heating_co2": 238,
+    "energy_rating": 113,
+    "nominated_date": "2013-11-30",
+    "renewables_co2": 0,
+    "electricity_co2": 333
+  },
+  "building_category": "S3; H6",
+  "or_benchmark_data": {
+    "benchmarks": [
+      {
+        "name": "Secondary school",
+        "tufa": 4646.48,
+        "benchmark": "Schools And Seasonal Public Buildings",
+        "floor_area": 4646.48,
+        "area_metric": "Gross floor area measured as RICS Gross Internal Area (GIA)",
+        "benchmark_id": 1,
+        "occupancy_level": "Extended Occupancy"
+      },
+      {
+        "name": "Swimming pool",
+        "tufa": 254.52,
+        "benchmark": "Swimming Pool Centre",
+        "floor_area": 254.52,
+        "area_metric": "Gross floor area measured as RICS Gross Internal Area (GIA)",
+        "benchmark_id": 2,
+        "occupancy_level": "Extended Occupancy"
+      }
+    ],
+    "main_benchmark": "Schools And Seasonal Public Buildings"
+  },
+  "registration_date": "2016-04-25",
+  "or_energy_consumption": {
+    "gas": {
+      "end_date": "2016-01-01",
+      "estimate": 0,
+      "start_date": "2015-01-01",
+      "consumption": 786655
+    },
+    "electricity": {
+      "end_date": "2015-12-31",
+      "estimate": 0,
+      "start_date": "2015-01-01",
+      "consumption": 296820
+    }
+  },
+  "technical_information": {
+    "floor_area": 4901,
+    "main_heating_fuel": "Natural Gas",
+    "building_environment": "Mixed-mode with Natural Ventilation",
+    "separately_metered_electric_heating": 0
+  },
+  "or_assessment_end_date": "2016-01-01",
+  "or_assessment_start_date": "2015-01-01",
+  "dec_annual_energy_summary": {
+    "typical_thermal_use": 244,
+    "renewables_electrical": 0,
+    "typical_electrical_use": 67,
+    "renewables_fuel_thermal": 0,
+    "annual_energy_use_electrical": 61,
+    "annual_energy_use_fuel_thermal": 161
+  },
+  "related_certificate_number": "3333-4444-5555-6666-7778",
+  "dec_related_party_disclosure": 3,
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-7.0/dec-rr.json

@@ -0,0 +1,76 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "SW1A 2AA",
+  "post_town": "Fulchester",
+  "issue_date": "2020-05-04",
+  "report_type": 2,
+  "schema_type": "CEPC-7.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2028-05-03",
+  "long_payback": [
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Consider replacing or improving glazing",
+      "recommendation_code": "ECP-F4"
+    }
+  ],
+  "language_code": 1,
+  "other_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Add a big wind turbine",
+      "recommendation_code": "ECP-H2"
+    }
+  ],
+  "property_type": "University campus",
+  "short_payback": [
+    {
+      "co2_impact": "MEDIUM",
+      "recommendation": "Consider thinking about maybe possibly getting a solar panel but only one.",
+      "recommendation_code": "ECP-L5"
+    },
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Consider introducing variable speed drives (VSD) for fans, pumps and compressors.",
+      "recommendation_code": "EPC-L7"
+    }
+  ],
+  "site_services": {
+    "service_1": {
+      "quantity": 751445,
+      "description": "Electricity"
+    },
+    "service_2": {
+      "quantity": 72956,
+      "description": "Gas"
+    },
+    "service_3": {
+      "quantity": 0,
+      "description": "Not used"
+    }
+  },
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "medium_payback": [
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Engage experts to propose specific measures to reduce hot waterwastage and plan to carry this out.",
+      "recommendation_code": "ECP-C1"
+    }
+  ],
+  "assessment_type": "DEC-RR",
+  "inspection_date": "2020-05-04",
+  "inspection_type": "Physical",
+  "calculation_tool": "DCLG, ORCalc, v3.6.2",
+  "formatted_report": "ZGVmYXVsdA==",
+  "registration_date": "2020-05-04",
+  "technical_information": {
+    "floor_area": 10,
+    "renewable_sources": "Renewable source",
+    "special_energy_uses": "Special discount",
+    "building_environment": "Air Conditioning"
+  }
+}

backend/epc_api/json_samples/CEPC-7.1/cepc+rr.json

@@ -0,0 +1,264 @@
+{
+  "ber": 135.65,
+  "ser": 72.8,
+  "ter": 39.05,
+  "tyr": 114.44,
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "A1 1AA",
+  "post_town": "New Town",
+  "energy_use": {
+    "energy_consumption_current": 802.38
+  },
+  "issue_date": "2017-10-13",
+  "methodology": "SBEM",
+  "report_type": 3,
+  "schema_type": "CEPC-7.1",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2027-10-12",
+  "asset_rating": 93,
+  "language_code": 1,
+  "output_engine": "EPCgen, v5.3.a.0",
+  "property_type": "A1/A2 Retail and Financial/Professional services",
+  "address_line_1": "99a Address Street",
+  "address_line_2": "Place Location",
+  "assessment_type": "CEPC",
+  "inspection_date": "2017-10-10",
+  "inspection_type": "Physical",
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_rating_unknown_flag": 1
+    },
+    "ac_inspection_commissioned": 4
+  },
+  "calculation_tool": "CLG, iSBEM, v5.3.a, SBEM, v5.3.a.0",
+  "is_heritage_site": "N",
+  "transaction_type": 6,
+  "registration_date": "2017-10-13",
+  "building_complexity": "Level 3",
+  "new_build_benchmark": 27,
+  "technical_information": {
+    "floor_area": 222,
+    "building_level": 3,
+    "main_heating_fuel": "Grid Supplied Electricity",
+    "building_environment": "Heating and Natural Ventilation"
+  },
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 221.66,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1078,
+            "area": 6.84
+          },
+          {
+            "id": 1077,
+            "area": 3.42
+          },
+          {
+            "id": 1074,
+            "area": 43.89
+          },
+          {
+            "id": 1305,
+            "area": 167.51
+          }
+        ],
+        "building_w_k": 756.843,
+        "hvac_systems": [
+          {
+            "area": 54.15,
+            "type": "Other local room heater - fanned",
+            "fuel_type": "Grid Supplied Electricity",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 6.84
+              },
+              {
+                "id": 1077,
+                "area": 3.42
+              },
+              {
+                "id": 1074,
+                "area": 43.89
+              }
+            ],
+            "heat_source": "Room heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.8,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 221.413,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 1,
+            "kwh_m2_auxiliary": 8.58942,
+            "mj_m2_cooling_dem": 82.8076,
+            "mj_m2_heating_dem": 637.668
+          },
+          {
+            "area": 167.51,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Grid Supplied Electricity",
+            "activities": [
+              {
+                "id": 1305,
+                "area": 167.51
+              }
+            ],
+            "heat_source": "Room heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.8,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 143.224,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 1,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 277.439,
+            "mj_m2_heating_dem": 412.486
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 578.13,
+        "building_alpha": 5.48977,
+        "building_w_m2k": 1.30912,
+        "q50_infiltration": 25,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 1.42751,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 0,
+          "kwh_m2_heating": 162.325,
+          "kwh_m2_lighting": 95.5093,
+          "kwh_m2_supplied": 261.361,
+          "kwh_m2_auxiliary": 2.09834,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 17.0788,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 0,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 221.66,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1078,
+            "area": 6.84
+          },
+          {
+            "id": 1077,
+            "area": 3.42
+          },
+          {
+            "id": 1074,
+            "area": 43.89
+          },
+          {
+            "id": 1305,
+            "area": 167.51
+          }
+        ],
+        "building_w_k": 141.605,
+        "hvac_systems": [
+          {
+            "area": 54.15,
+            "type": "Other local room heater - fanned",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 6.84
+              },
+              {
+                "id": 1077,
+                "area": 3.42
+              },
+              {
+                "id": 1074,
+                "area": 43.89
+              }
+            ],
+            "heat_source": "Room heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.819,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 83.8955,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.29051,
+            "mj_m2_cooling_dem": 32.988,
+            "mj_m2_heating_dem": 247.357
+          },
+          {
+            "area": 167.51,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1305,
+                "area": 167.51
+              }
+            ],
+            "heat_source": "Room heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.819,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 18.2439,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 153.68,
+            "mj_m2_heating_dem": 53.7903
+          }
+        ],
+        "analysis_type": "NOTIONAL",
+        "area_exterior": 578.13,
+        "building_alpha": 12.3616,
+        "building_w_m2k": 0.244936,
+        "q50_infiltration": 5,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 1.64373,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 35.9259,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 0,
+          "kwh_m2_heating": 34.2821,
+          "kwh_m2_lighting": 53.9687,
+          "kwh_m2_supplied": 54.5286,
+          "kwh_m2_auxiliary": 0.559555,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 17.0788,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 0,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "existing_stock_benchmark": 79,
+  "related_certificate_number": "9999-9999-3333-9999-2222",
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-7.1/cepc-rr.json

@@ -0,0 +1,60 @@
+{
+  "uprn": 12457,
+  "status": "cancelled",
+  "postcode": "SW1A 2AA",
+  "post_town": "Fulchester",
+  "issue_date": "2020-05-14",
+  "report_type": 4,
+  "schema_type": "CEPC-7.1",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2021-05-03",
+  "long_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider installing an air source heat pump.",
+      "recommendation_code": "EPC-R5"
+    }
+  ],
+  "language_code": 1,
+  "other_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider installing PV.",
+      "recommendation_code": "EPC-R4"
+    }
+  ],
+  "property_type": "B1 Offices and Workshop businesses",
+  "short_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider replacing T8 lamps with retrofit T5 conversion kit.",
+      "recommendation_code": "ECP-L5"
+    },
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required.",
+      "recommendation_code": "EPC-L7"
+    }
+  ],
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "medium_payback": [
+    {
+      "co2_impact": "MEDIUM",
+      "recommendation": "Add optimum start/stop to the heating system.",
+      "recommendation_code": "EPC-H7"
+    }
+  ],
+  "assessment_type": "CEPC-RR",
+  "inspection_date": "2020-05-04",
+  "calculation_tool": "CEPC Compute v0.2",
+  "formatted_report": "ZGVmYXVsdA==",
+  "registration_date": "2020-05-05",
+  "technical_information": {
+    "floor_area": 10,
+    "building_environment": "Natural Ventilation Only"
+  },
+  "related_certificate_number": "0000-0000-0000-0000-0001"
+}

backend/epc_api/json_samples/CEPC-7.1/cepc.json

@@ -0,0 +1,288 @@
+{
+  "ber": 67.09,
+  "ser": 42.07,
+  "ter": 23.2,
+  "tyr": 67.98,
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "BT4 3SR",
+  "post_town": "Whitbury",
+  "energy_use": {
+    "energy_consumption_current": 413.22
+  },
+  "issue_date": "2020-05-14",
+  "report_type": 3,
+  "schema_type": "CEPC-7.1",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2026-05-04",
+  "asset_rating": 80,
+  "language_code": 1,
+  "property_type": "B1 Offices and Workshop businesses",
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "assessment_type": "CEPC",
+  "inspection_date": "2020-05-04",
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_kw_rating": 100
+    },
+    "ac_estimated_output": 3,
+    "ac_inspection_commissioned": 1
+  },
+  "calculation_tool": "Casio fx-39",
+  "is_heritage_site": "N",
+  "or_building_data": {
+    "hvac_system": "Yes",
+    "other_hvac_system": "Yes",
+    "internal_environment": "Yes",
+    "assessment_period_alignment": "Yes"
+  },
+  "transaction_type": 1,
+  "or_benchmark_data": {
+    "benchmarks": [
+      {
+        "floor_area": 403,
+        "benchmark_id": 1
+      }
+    ]
+  },
+  "registration_date": "2020-05-04",
+  "building_complexity": "Level 3",
+  "new_build_benchmark": 28,
+  "or_usable_floor_area": {
+    "ufa_1": {
+      "floor_area": 100
+    }
+  },
+  "or_energy_consumption": {
+    "anthracite": {
+      "end_date": "2030-12-25",
+      "estimate": 3,
+      "start_date": "2019-12-25",
+      "consumption": 12.6
+    }
+  },
+  "technical_information": {
+    "floor_area": 403,
+    "building_level": 3,
+    "main_heating_fuel": "Natural Gas",
+    "renewable_sources": "Renewable sources test",
+    "special_energy_uses": "Test sp",
+    "building_environment": "Air Conditioning",
+    "or_availability_date": "2020-01-04",
+    "other_fuel_description": "Test"
+  },
+  "or_assessment_end_date": "2030-05-14",
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 411.86,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 1.963,
+            "heating_sseff": 0.827,
+            "kwh_m2_cooling": 25.3865,
+            "kwh_m2_heating": 41.0355,
+            "cooling_gen_seer": 2.5,
+            "heating_gen_seff": 0.89,
+            "kwh_m2_auxiliary": 39.0832,
+            "mj_m2_cooling_dem": 179.401,
+            "mj_m2_heating_dem": 122.171
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 1058.32,
+        "building_alpha": 18.3412,
+        "building_w_m2k": 0.389164,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 2.77834,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 3.07665,
+          "kwh_m2_ses": 0.801605,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 3.02777,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 25.3865,
+          "kwh_m2_heating": 41.0355,
+          "kwh_m2_lighting": 54.0787,
+          "kwh_m2_supplied": 121.327,
+          "kwh_m2_auxiliary": 39.0832,
+          "kwh_m2_displaced": 6.10442,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 41.0355,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 362.524,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 3.6,
+            "heating_sseff": 0.819,
+            "kwh_m2_cooling": 7.46769,
+            "kwh_m2_heating": 18.1581,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 14.0716,
+            "mj_m2_cooling_dem": 96.7814,
+            "mj_m2_heating_dem": 53.5375
+          }
+        ],
+        "analysis_type": "NOTIONAL",
+        "area_exterior": 1058.32,
+        "building_alpha": 11.2489,
+        "building_w_m2k": 0.342547,
+        "q50_infiltration": 3,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 3.33761,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 3.33761,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 7.46769,
+          "kwh_m2_heating": 18.1582,
+          "kwh_m2_lighting": 14.4489,
+          "kwh_m2_supplied": 35.9883,
+          "kwh_m2_auxiliary": 14.0716,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 18.1582,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 718.761,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 25.6538,
+            "kwh_m2_heating": 71.9516,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.16062,
+            "mj_m2_cooling_dem": 207.795,
+            "mj_m2_heating_dem": 189.088
+          }
+        ],
+        "analysis_type": "REFERENCE",
+        "area_exterior": 1058.32,
+        "building_alpha": 10,
+        "building_w_m2k": 0.679153,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 6.41192,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 25.6538,
+          "kwh_m2_heating": 71.9516,
+          "kwh_m2_lighting": 45.54,
+          "kwh_m2_supplied": 73.3544,
+          "kwh_m2_auxiliary": 2.16062,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 78.3634,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "renewable_energy_source": [
+    {
+      "name": "Solar panel",
+      "end_date": "2030-12-25",
+      "generation": 20,
+      "start_date": "2019-12-25",
+      "energy_type": 2
+    }
+  ],
+  "existing_stock_benchmark": 81,
+  "or_assessment_start_date": "2020-05-14",
+  "related_certificate_number": "4192-1535-8427-8844-6702",
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-7.1/dec+rr.json

@@ -0,0 +1,118 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "A1 1AA",
+  "post_town": "Town",
+  "dec_status": 0,
+  "issue_date": "2015-12-14",
+  "methodology": "ORCalc",
+  "reason_type": 1,
+  "report_type": 1,
+  "schema_type": "CEPC-7.1",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2016-12-29",
+  "language_code": 1,
+  "output_engine": "ORGen v3.6.2",
+  "property_type": "Schools And Seasonal Public Buildings",
+  "address_line_2": "Place Early Years Centre",
+  "address_line_3": "Address Road",
+  "assessment_type": "DEC",
+  "inspection_date": "2015-12-09",
+  "this_assessment": {
+    "heating_co2": 28,
+    "energy_rating": 80,
+    "nominated_date": "2015-12-30",
+    "renewables_co2": 0,
+    "electricity_co2": 33
+  },
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_rating_unknown_flag": 1
+    },
+    "ac_inspection_commissioned": 4
+  },
+  "calculation_tool": "DCLG, ORCalc, v3.6.2",
+  "or_building_data": {
+    "hvac_system": "Convectors",
+    "internal_environment": "Heating and Natural Ventilation",
+    "assessment_period_alignment": "End Of Main Heating Fuel Period"
+  },
+  "or_previous_data": {
+    "previous_rating_1": {
+      "or": 75,
+      "ormm": 12,
+      "oryyyy": 2014
+    },
+    "previous_rating_2": {
+      "or": 75,
+      "ormm": 12,
+      "oryyyy": 2013
+    }
+  },
+  "year1_assessment": {
+    "heating_co2": 24,
+    "energy_rating": 75,
+    "nominated_date": "2014-12-01",
+    "renewables_co2": 0,
+    "electricity_co2": 30
+  },
+  "year2_assessment": {
+    "heating_co2": 29,
+    "energy_rating": 75,
+    "nominated_date": "2013-12-01",
+    "renewables_co2": 0,
+    "electricity_co2": 31
+  },
+  "building_category": "S3;",
+  "or_benchmark_data": {
+    "benchmarks": [
+      {
+        "name": "Nursery or kindergarten",
+        "tufa": 1219.2,
+        "benchmark": "Schools And Seasonal Public Buildings",
+        "floor_area": 1219.2,
+        "area_metric": "Gross floor area measured as RICS Gross Internal Area (GIA)",
+        "benchmark_id": 1,
+        "occupancy_level": "Extended Occupancy",
+        "total_equivalent": 2437.5
+      }
+    ],
+    "main_benchmark": "Schools And Seasonal Public Buildings"
+  },
+  "registration_date": "2015-12-14",
+  "location_description": "Refurbished and extended nursery school building with flat and pitched roof areas, double glazed windows and cavity walls.  The building is heated by gas fired boilers.",
+  "or_energy_consumption": {
+    "gas": {
+      "end_date": "2015-09-30",
+      "estimate": 0,
+      "start_date": "2014-09-30",
+      "consumption": 143533
+    },
+    "electricity": {
+      "end_date": "2015-10-01",
+      "estimate": 0,
+      "start_date": "2014-10-01",
+      "consumption": 59477
+    }
+  },
+  "technical_information": {
+    "floor_area": 1219.2,
+    "main_heating_fuel": "Natural Gas",
+    "building_environment": "Heating and Natural Ventilation",
+    "separately_metered_electric_heating": 0
+  },
+  "or_assessment_end_date": "2015-09-30",
+  "or_assessment_start_date": "2014-09-30",
+  "dec_annual_energy_summary": {
+    "typical_thermal_use": 176,
+    "renewables_electrical": 0,
+    "typical_electrical_use": 51,
+    "renewables_fuel_thermal": 0,
+    "annual_energy_use_electrical": 49,
+    "annual_energy_use_fuel_thermal": 118
+  },
+  "related_certificate_number": "0000-0000-0000-0000-0006",
+  "dec_related_party_disclosure": 4,
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-7.1/dec-rr.json

@@ -0,0 +1,76 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "SW1A 2AA",
+  "post_town": "Fulchester",
+  "issue_date": "2020-05-04",
+  "report_type": 2,
+  "schema_type": "CEPC-7.1",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2028-05-03",
+  "long_payback": [
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Consider replacing or improving glazing",
+      "recommendation_code": "ECP-F4"
+    }
+  ],
+  "language_code": 1,
+  "other_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Add a big wind turbine",
+      "recommendation_code": "ECP-H2"
+    }
+  ],
+  "property_type": "University campus",
+  "short_payback": [
+    {
+      "co2_impact": "MEDIUM",
+      "recommendation": "Consider thinking about maybe possibly getting a solar panel but only one.",
+      "recommendation_code": "ECP-L5"
+    },
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Consider introducing variable speed drives (VSD) for fans, pumps and compressors.",
+      "recommendation_code": "EPC-L7"
+    }
+  ],
+  "site_services": {
+    "service_1": {
+      "quantity": 751445,
+      "description": "Electricity"
+    },
+    "service_2": {
+      "quantity": 72956,
+      "description": "Gas"
+    },
+    "service_3": {
+      "quantity": 0,
+      "description": "Not used"
+    }
+  },
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "medium_payback": [
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Engage experts to propose specific measures to reduce hot waterwastage and plan to carry this out.",
+      "recommendation_code": "ECP-C1"
+    }
+  ],
+  "assessment_type": "DEC-RR",
+  "inspection_date": "2020-05-04",
+  "inspection_type": "Physical",
+  "calculation_tool": "DCLG, ORCalc, v3.6.2",
+  "formatted_report": "ZGVmYXVsdA==",
+  "registration_date": "2020-05-04",
+  "technical_information": {
+    "floor_area": 10,
+    "renewable_sources": "Renewable source",
+    "special_energy_uses": "Special discount",
+    "building_environment": "Air Conditioning"
+  }
+}

backend/epc_api/json_samples/CEPC-8.0.0/cepc+rr.json

@@ -0,0 +1,468 @@
+{
+  "ber": 76.29,
+  "ser": 45.61,
+  "ter": 31.05,
+  "tyr": 90.98,
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "NE0 0AA",
+  "post_town": "Big Rock",
+  "energy_use": {
+    "energy_consumption_current": 451.27
+  },
+  "issue_date": "2021-03-19",
+  "methodology": "SBEM",
+  "report_type": 3,
+  "schema_type": "CEPC-8.0.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2031-03-18",
+  "asset_rating": 84,
+  "language_code": 1,
+  "output_engine": "EPCgen, v5.6.b.0",
+  "property_type": "A1/A2 Retail and Financial/Professional services",
+  "address_line_1": "60 Maple Syrup Road",
+  "address_line_2": "Candy Mountain",
+  "assessment_type": "CEPC",
+  "inspection_date": "2021-03-19",
+  "inspection_type": "Physical",
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_rating_unknown_flag": 1
+    },
+    "ac_inspection_commissioned": 4
+  },
+  "calculation_tool": "G-ISBEM Ltd, G-ISBEM, v24.0, SBEM, v5.6.b.0",
+  "is_heritage_site": "N",
+  "transaction_type": 1,
+  "registration_date": "2021-03-19",
+  "building_complexity": "Level 3",
+  "new_build_benchmark": 34,
+  "technical_information": {
+    "floor_area": 951,
+    "building_level": 3,
+    "main_heating_fuel": "Grid Supplied Electricity",
+    "building_environment": "Air Conditioning"
+  },
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 951.34,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1067,
+            "area": 81.32
+          },
+          {
+            "id": 1070,
+            "area": 13.9
+          },
+          {
+            "id": 1074,
+            "area": 258.42
+          },
+          {
+            "id": 1078,
+            "area": 76.99
+          },
+          {
+            "id": 1071,
+            "area": 490.62
+          },
+          {
+            "id": 1077,
+            "area": 30.09
+          }
+        ],
+        "building_w_k": 314.665,
+        "hvac_systems": [
+          {
+            "area": 353.64,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1067,
+                "area": 81.32
+              },
+              {
+                "id": 1070,
+                "area": 13.9
+              },
+              {
+                "id": 1074,
+                "area": 258.42
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 0,
+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 4.9793,
+            "mj_m2_cooling_dem": 44.0312,
+            "mj_m2_heating_dem": 79.1732
+          },
+          {
+            "area": 567.61,
+            "type": "Split or multi-split system",
+            "fuel_type": "Grid Supplied Electricity",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 76.99
+              },
+              {
+                "id": 1071,
+                "area": 490.62
+              }
+            ],
+            "heat_source": "Heat pump: air source",
+            "cooling_sseer": 2.457,
+            "heating_sseff": 3.466,
+            "kwh_m2_cooling": 65.3618,
+            "kwh_m2_heating": 2.17225,
+            "cooling_gen_seer": 3.46,
+            "heating_gen_seff": 3.72,
+            "kwh_m2_auxiliary": 6.9318,
+            "mj_m2_cooling_dem": 578.138,
+            "mj_m2_heating_dem": 27.1043
+          },
+          {
+            "area": 30.09,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Grid Supplied Electricity",
+            "activities": [
+              {
+                "id": 1077,
+                "area": 30.09
+              }
+            ],
+            "heat_source": "Direct or storage electric heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.8,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 101.261,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 1,
+            "kwh_m2_auxiliary": 28.4481,
+            "mj_m2_cooling_dem": 72.0834,
+            "mj_m2_heating_dem": 291.63
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 509.17,
+        "building_alpha": 4.09978,
+        "building_w_m2k": 0.617996,
+        "q50_infiltration": 25,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 1.61017,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 38.9976,
+          "kwh_m2_heating": 4.49883,
+          "kwh_m2_lighting": 94.9991,
+          "kwh_m2_supplied": 146.993,
+          "kwh_m2_auxiliary": 6.88654,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 19.5261,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 0,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 951.34,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1067,
+            "area": 81.32
+          },
+          {
+            "id": 1070,
+            "area": 13.9
+          },
+          {
+            "id": 1074,
+            "area": 258.42
+          },
+          {
+            "id": 1078,
+            "area": 76.99
+          },
+          {
+            "id": 1071,
+            "area": 490.62
+          },
+          {
+            "id": 1077,
+            "area": 30.09
+          }
+        ],
+        "building_w_k": 106.722,
+        "hvac_systems": [
+          {
+            "area": 353.64,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1067,
+                "area": 81.32
+              },
+              {
+                "id": 1070,
+                "area": 13.9
+              },
+              {
+                "id": 1074,
+                "area": 258.42
+              }
+            ],
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+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.98759,
+            "mj_m2_cooling_dem": 22.3547,
+            "mj_m2_heating_dem": 24.8966
+          },
+          {
+            "area": 567.61,
+            "type": "Split or multi-split system",
+            "fuel_type": "Grid Supplied Electricity",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 76.99
+              },
+              {
+                "id": 1071,
+                "area": 490.62
+              }
+            ],
+            "heat_source": "Heat pump: air source",
+            "cooling_sseer": 3.6,
+            "heating_sseff": 2.43,
+            "kwh_m2_cooling": 23.8278,
+            "kwh_m2_heating": 0.00251615,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 3.77382,
+            "mj_m2_cooling_dem": 308.809,
+            "mj_m2_heating_dem": 0.0220112
+          },
+          {
+            "area": 30.09,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Oil",
+            "activities": [
+              {
+                "id": 1077,
+                "area": 30.09
+              }
+            ],
+            "heat_source": "Direct or storage electric heater",
+            "cooling_sseer": 0,
+            "heating_sseff": 0.819,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 35.9561,
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+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 7.58617,
+            "mj_m2_cooling_dem": 78.2393,
+            "mj_m2_heating_dem": 106.013
+          }
+        ],
+        "analysis_type": "NOTIONAL",
+        "area_exterior": 509.17,
+        "building_alpha": 12.5855,
+        "building_w_m2k": 0.2096,
+        "q50_infiltration": 3,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 1.45546,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 2.59272,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 14.2167,
+          "kwh_m2_heating": 1.13875,
+          "kwh_m2_lighting": 41.9026,
+          "kwh_m2_supplied": 59.7228,
+          "kwh_m2_auxiliary": 3.60214,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 19.5261,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 0,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 951.34,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1067,
+            "area": 81.32
+          },
+          {
+            "id": 1070,
+            "area": 13.9
+          },
+          {
+            "id": 1074,
+            "area": 258.42
+          },
+          {
+            "id": 1078,
+            "area": 76.99
+          },
+          {
+            "id": 1071,
+            "area": 490.62
+          },
+          {
+            "id": 1077,
+            "area": 30.09
+          }
+        ],
+        "building_w_k": 193.204,
+        "hvac_systems": [
+          {
+            "area": 353.64,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1067,
+                "area": 81.32
+              },
+              {
+                "id": 1070,
+                "area": 13.9
+              },
+              {
+                "id": 1074,
+                "area": 258.42
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 0,
+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 13.1255,
+            "mj_m2_heating_dem": 71.1616
+          },
+          {
+            "area": 567.61,
+            "type": "Split or multi-split system",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 76.99
+              },
+              {
+                "id": 1071,
+                "area": 490.62
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 49.5997,
+            "kwh_m2_heating": 6.49072,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.47934,
+            "mj_m2_cooling_dem": 401.756,
+            "mj_m2_heating_dem": 17.0576
+          },
+          {
+            "area": 30.09,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1077,
+                "area": 30.09
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 25.4056,
+            "kwh_m2_heating": 84.553,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 12.1545,
+            "mj_m2_cooling_dem": 205.785,
+            "mj_m2_heating_dem": 222.205
+          }
+        ],
+        "analysis_type": "REFERENCE",
+        "area_exterior": 509.17,
+        "building_alpha": 10,
+        "building_w_m2k": 0.379449,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 2.7961,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 30.3968,
+          "kwh_m2_heating": 6.54699,
+          "kwh_m2_lighting": 78.7393,
+          "kwh_m2_supplied": 110.999,
+          "kwh_m2_auxiliary": 1.86372,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 19.5261,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 9.34308,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "existing_stock_benchmark": 100,
+  "related_certificate_number": "0000-0000-0000-0000-0001",
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-8.0.0/cepc-rr.json

@@ -0,0 +1,60 @@
+{
+  "uprn": 12457,
+  "status": "cancelled",
+  "postcode": "SW1A 2AA",
+  "post_town": "Fulchester",
+  "issue_date": "2020-05-14",
+  "report_type": 4,
+  "schema_type": "CEPC-8.0.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2021-05-03",
+  "long_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider installing an air source heat pump.",
+      "recommendation_code": "EPC-R5"
+    }
+  ],
+  "language_code": 1,
+  "other_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider installing PV.",
+      "recommendation_code": "EPC-R4"
+    }
+  ],
+  "property_type": "B1 Offices and Workshop businesses",
+  "short_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Consider replacing T8 lamps with retrofit T5 conversion kit.",
+      "recommendation_code": "ECP-L5"
+    },
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Introduce HF (high frequency) ballasts for fluorescent tubes: Reduced number of fittings required.",
+      "recommendation_code": "EPC-L7"
+    }
+  ],
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "medium_payback": [
+    {
+      "co2_impact": "MEDIUM",
+      "recommendation": "Add optimum start/stop to the heating system.",
+      "recommendation_code": "EPC-H7"
+    }
+  ],
+  "assessment_type": "CEPC-RR",
+  "inspection_date": "2020-05-04",
+  "calculation_tool": "CEPC Compute v0.2",
+  "formatted_report": "ZGVmYXVsdA==",
+  "registration_date": "2020-05-05",
+  "technical_information": {
+    "floor_area": 10,
+    "building_environment": "Natural Ventilation Only"
+  },
+  "related_certificate_number": "0000-0000-0000-0000-0001"
+}

backend/epc_api/json_samples/CEPC-8.0.0/cepc.json

@@ -0,0 +1,334 @@
+{
+  "ber": 76.29,
+  "ser": 45.61,
+  "ter": 31.05,
+  "tyr": 90.98,
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "NE0 0AA",
+  "post_town": "Big Rock",
+  "energy_use": {
+    "energy_consumption_current": 451.27
+  },
+  "issue_date": "2021-03-19",
+  "methodology": "SBEM",
+  "report_type": 3,
+  "schema_type": "CEPC-8.0.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2031-03-18",
+  "asset_rating": 84,
+  "language_code": 1,
+  "output_engine": "EPCgen, v5.6.b.0",
+  "property_type": "A1/A2 Retail and Financial/Professional services",
+  "address_line_1": "60 Maple Syrup Road",
+  "address_line_2": "Candy Mountain",
+  "assessment_type": "CEPC",
+  "inspection_date": "2021-03-19",
+  "inspection_type": "Physical",
+  "ac_questionnaire": {
+    "ac_present": "No",
+    "ac_rated_output": {
+      "ac_kw_rating": 100,
+      "ac_rating_unknown_flag": 0
+    },
+    "ac_estimated_output": 3,
+    "ac_inspection_commissioned": 4
+  },
+  "calculation_tool": "G-ISBEM Ltd, G-ISBEM, v24.0, SBEM, v5.6.b.0",
+  "is_heritage_site": "N",
+  "transaction_type": 1,
+  "registration_date": "2021-03-19",
+  "building_complexity": "Level 3",
+  "new_build_benchmark": 34,
+  "technical_information": {
+    "floor_area": 951,
+    "building_level": 3,
+    "main_heating_fuel": "Grid Supplied Electricity",
+    "renewable_sources": "Renewable sources test",
+    "special_energy_uses": "Test sp",
+    "building_environment": "Air Conditioning",
+    "other_fuel_description": "Other fuel test"
+  },
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 951.34,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1067,
+            "area": 81.32
+          },
+          {
+            "id": 1070,
+            "area": 13.9
+          },
+          {
+            "id": 1074,
+            "area": 258.42
+          },
+          {
+            "id": 1078,
+            "area": 76.99
+          },
+          {
+            "id": 1071,
+            "area": 490.62
+          },
+          {
+            "id": 1077,
+            "area": 30.09
+          }
+        ],
+        "building_w_k": 193.204,
+        "hvac_systems": [
+          {
+            "area": 353.64,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1067,
+                "area": 81.32
+              },
+              {
+                "id": 1070,
+                "area": 13.9
+              },
+              {
+                "id": 1074,
+                "area": 258.42
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 0,
+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 13.1255,
+            "mj_m2_heating_dem": 71.1616
+          },
+          {
+            "area": 567.61,
+            "type": "Split or multi-split system",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 76.99
+              },
+              {
+                "id": 1071,
+                "area": 490.62
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 49.5997,
+            "kwh_m2_heating": 6.49072,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.47934,
+            "mj_m2_cooling_dem": 401.756,
+            "mj_m2_heating_dem": 17.0576
+          },
+          {
+            "area": 30.09,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1077,
+                "area": 30.09
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 25.4056,
+            "kwh_m2_heating": 84.553,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 12.1545,
+            "mj_m2_cooling_dem": 205.785,
+            "mj_m2_heating_dem": 222.205
+          }
+        ],
+        "analysis_type": "REFERENCE",
+        "area_exterior": 509.17,
+        "building_alpha": 10,
+        "building_w_m2k": 0.379449,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 2.7961,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 30.3968,
+          "kwh_m2_heating": 6.54699,
+          "kwh_m2_lighting": 78.7393,
+          "kwh_m2_supplied": 110.999,
+          "kwh_m2_auxiliary": 1.86372,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 19.5261,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 9.34308,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 951.34,
+        "weather": "NEW",
+        "activities": [
+          {
+            "id": 1067,
+            "area": 81.32
+          },
+          {
+            "id": 1070,
+            "area": 13.9
+          },
+          {
+            "id": 1074,
+            "area": 258.42
+          },
+          {
+            "id": 1078,
+            "area": 76.99
+          },
+          {
+            "id": 1071,
+            "area": 490.62
+          },
+          {
+            "id": 1077,
+            "area": 30.09
+          }
+        ],
+        "building_w_k": 193.204,
+        "hvac_systems": [
+          {
+            "area": 353.64,
+            "type": "No Heating or Cooling",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1067,
+                "area": 81.32
+              },
+              {
+                "id": 1070,
+                "area": 13.9
+              },
+              {
+                "id": 1074,
+                "area": 258.42
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 0,
+            "heating_sseff": 0,
+            "kwh_m2_cooling": 0,
+            "kwh_m2_heating": 0,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 0,
+            "mj_m2_cooling_dem": 13.1255,
+            "mj_m2_heating_dem": 71.1616
+          },
+          {
+            "area": 567.61,
+            "type": "Split or multi-split system",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1078,
+                "area": 76.99
+              },
+              {
+                "id": 1071,
+                "area": 490.62
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 49.5997,
+            "kwh_m2_heating": 6.49072,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.47934,
+            "mj_m2_cooling_dem": 401.756,
+            "mj_m2_heating_dem": 17.0576
+          },
+          {
+            "area": 30.09,
+            "type": "Other local room heater - unfanned",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1077,
+                "area": 30.09
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 25.4056,
+            "kwh_m2_heating": 84.553,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 12.1545,
+            "mj_m2_cooling_dem": 205.785,
+            "mj_m2_heating_dem": 222.205
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 509.17,
+        "building_alpha": 10,
+        "building_w_m2k": 0.379449,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 2.7961,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 30.3968,
+          "kwh_m2_heating": 6.54699,
+          "kwh_m2_lighting": 78.7393,
+          "kwh_m2_supplied": 110.999,
+          "kwh_m2_auxiliary": 1.86372,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 19.5261,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 9.34308,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "existing_stock_benchmark": 100,
+  "current_energy_efficiency_band": "D"
+}

backend/epc_api/json_samples/CEPC-8.0.0/dec+rr.json

@@ -0,0 +1,131 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "A00 0AA",
+  "post_town": "Floatering",
+  "dec_status": 0,
+  "issue_date": "2021-10-12",
+  "methodology": "ORCalc",
+  "reason_type": 1,
+  "report_type": 1,
+  "schema_type": "CEPC-8.0.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2022-01-31",
+  "language_code": 1,
+  "output_engine": "ORGen v4.0.4",
+  "property_type": "Fitness And Health Centre; Swimming Pool Centre",
+  "address_line_1": "Swim & Fitness Centre",
+  "address_line_2": "Swimming Lane",
+  "assessment_type": "DEC",
+  "inspection_date": "2021-09-02",
+  "this_assessment": {
+    "heating_co2": 156,
+    "energy_rating": 42,
+    "nominated_date": "2021-09-01",
+    "renewables_co2": 13,
+    "electricity_co2": 70
+  },
+  "ac_questionnaire": {
+    "ac_present": "Yes",
+    "ac_rated_output": {
+      "ac_kw_rating": 30
+    },
+    "ac_inspection_commissioned": 1
+  },
+  "calculation_tool": "CLG, ORCalc, v4.0.4",
+  "or_building_data": {
+    "hvac_system": "Radiators",
+    "internal_environment": "Heating and Mechanical Ventilation",
+    "assessment_period_alignment": "End Of Main Heating Fuel Period"
+  },
+  "or_previous_data": {
+    "asset_rating": 45
+  },
+  "building_category": "H7; H6;",
+  "or_benchmark_data": {
+    "benchmarks": [
+      {
+        "name": "Gymnasium",
+        "tufa": 110.382,
+        "benchmark": "Fitness And Health Centre",
+        "floor_area": 110.382,
+        "area_metric": "Gross floor area measured as RICS Gross Internal Area (GIA)",
+        "benchmark_id": 1,
+        "occupancy_level": "Standard Occupancy"
+      },
+      {
+        "name": "Swimming pool",
+        "tufa": 1358.936,
+        "benchmark": "Swimming Pool Centre",
+        "floor_area": 1358.936,
+        "area_metric": "Gross floor area measured as RICS Gross Internal Area (GIA)",
+        "benchmark_id": 2,
+        "occupancy_level": "Standard Occupancy"
+      }
+    ],
+    "main_benchmark": "Swimming Pool Centre"
+  },
+  "registration_date": "2021-10-12",
+  "location_description": "Swimming pool with gumnasium.",
+  "or_usable_floor_area": {
+    "ufa_1": {
+      "name": "Basement Plant",
+      "floor_area": 118.16
+    },
+    "ufa_2": {
+      "name": "Basement void around pool",
+      "floor_area": 179.673
+    },
+    "ufa_3": {
+      "name": "Ground Plant",
+      "floor_area": 146.223
+    },
+    "ufa_4": {
+      "name": "First Floor Plant",
+      "floor_area": 49.807
+    },
+    "total_ufa": 493.863
+  },
+  "or_energy_consumption": {
+    "gas": {
+      "end_date": "2021-08-31",
+      "estimate": 0,
+      "start_date": "2020-09-01",
+      "consumption": 805167
+    },
+    "electricity": {
+      "end_date": "2021-08-31",
+      "estimate": 0,
+      "start_date": "2020-09-01",
+      "consumption": 126161
+    }
+  },
+  "technical_information": {
+    "floor_area": 1469.318,
+    "main_heating_fuel": "Natural Gas",
+    "building_environment": "Heating and Mechanical Ventilation",
+    "separately_metered_electric_heating": 0
+  },
+  "or_assessment_end_date": "2021-08-31",
+  "renewable_energy_source": [
+    {
+      "name": "CHP",
+      "end_date": "2021-08-31",
+      "generation": 24589,
+      "start_date": "2020-09-01",
+      "energy_type": 0
+    }
+  ],
+  "or_assessment_start_date": "2020-08-31",
+  "dec_annual_energy_summary": {
+    "typical_thermal_use": 1196.24,
+    "renewables_electrical": 16.3,
+    "typical_electrical_use": 238.61,
+    "renewables_fuel_thermal": 0,
+    "annual_energy_use_electrical": 86.1,
+    "annual_energy_use_fuel_thermal": 548.82
+  },
+  "related_certificate_number": "0000-0000-0000-0000-0001",
+  "dec_related_party_disclosure": 1,
+  "current_energy_efficiency_band": "B"
+}

backend/epc_api/json_samples/CEPC-8.0.0/dec-rr.json

@@ -0,0 +1,76 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "SW1A 2AA",
+  "post_town": "Fulchester",
+  "issue_date": "2020-05-04",
+  "report_type": 2,
+  "schema_type": "CEPC-8.0.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2028-05-03",
+  "long_payback": [
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Consider replacing or improving glazing",
+      "recommendation_code": "ECP-F4"
+    }
+  ],
+  "language_code": 1,
+  "other_payback": [
+    {
+      "co2_impact": "HIGH",
+      "recommendation": "Add a big wind turbine",
+      "recommendation_code": "ECP-H2"
+    }
+  ],
+  "property_type": "University campus",
+  "short_payback": [
+    {
+      "co2_impact": "MEDIUM",
+      "recommendation": "Consider thinking about maybe possibly getting a solar panel but only one.",
+      "recommendation_code": "ECP-L5"
+    },
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Consider introducing variable speed drives (VSD) for fans, pumps and compressors.",
+      "recommendation_code": "EPC-L7"
+    }
+  ],
+  "site_services": {
+    "service_1": {
+      "quantity": 751445,
+      "description": "Electricity"
+    },
+    "service_2": {
+      "quantity": 72956,
+      "description": "Gas"
+    },
+    "service_3": {
+      "quantity": 0,
+      "description": "Not used"
+    }
+  },
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "medium_payback": [
+    {
+      "co2_impact": "LOW",
+      "recommendation": "Engage experts to propose specific measures to reduce hot waterwastage and plan to carry this out.",
+      "recommendation_code": "ECP-C1"
+    }
+  ],
+  "assessment_type": "DEC-RR",
+  "inspection_date": "2020-05-04",
+  "inspection_type": "Physical",
+  "calculation_tool": "DCLG, ORCalc, v3.6.2",
+  "formatted_report": "ZGVmYXVsdA==",
+  "registration_date": "2020-05-04",
+  "technical_information": {
+    "floor_area": 10,
+    "renewable_sources": "Renewable source",
+    "special_energy_uses": "Special discount",
+    "building_environment": "Air Conditioning"
+  }
+}

backend/epc_api/json_samples/CEPC-8.0.0/dec.json

@@ -0,0 +1,299 @@
+{
+  "uprn": 12457,
+  "status": "entered",
+  "postcode": "SW1A 2AA",
+  "post_town": "Whitbury",
+  "dec_status": 1,
+  "issue_date": "2020-05-14",
+  "reason_type": 6,
+  "report_type": 1,
+  "schema_type": "CEPC-8.0.0",
+  "uprn_source": "Energy Assessor",
+  "valid_until": "2026-05-04",
+  "language_code": 1,
+  "output_engine": "MWW-91.1.1",
+  "property_type": "B1 Offices and Workshop businesses",
+  "address_line_1": "Some Unit",
+  "address_line_2": "2 Lonely Street",
+  "address_line_3": "Some Area",
+  "address_line_4": "Some County",
+  "assessment_type": "DEC",
+  "inspection_date": "2020-05-04",
+  "this_assessment": {
+    "heating_co2": 3,
+    "energy_rating": 1,
+    "nominated_date": "2020-01-01",
+    "renewables_co2": 0,
+    "electricity_co2": 7
+  },
+  "ac_questionnaire": {
+    "ac_present": "Yes",
+    "ac_rated_output": {
+      "ac_kw_rating": 1
+    },
+    "ac_estimated_output": 1,
+    "ac_inspection_commissioned": 1
+  },
+  "calculation_tool": "DCLG, ORCalc, v3.6.3",
+  "is_heritage_site": "N",
+  "or_previous_data": {
+    "asset_rating": 100
+  },
+  "year1_assessment": {
+    "heating_co2": 5,
+    "energy_rating": 24,
+    "nominated_date": "2019-01-01",
+    "renewables_co2": 1,
+    "electricity_co2": 10
+  },
+  "year2_assessment": {
+    "heating_co2": 10,
+    "energy_rating": 40,
+    "nominated_date": "2018-01-01",
+    "renewables_co2": 2,
+    "electricity_co2": 15
+  },
+  "building_category": "C1",
+  "or_benchmark_data": {
+    "benchmarks": [
+      {
+        "name": "Library",
+        "tufa": 1840,
+        "floor_area": 15,
+        "benchmark_id": 1,
+        "occupancy_level": "level"
+      }
+    ]
+  },
+  "registration_date": "2020-05-04",
+  "building_complexity": "Level 3",
+  "or_energy_consumption": {
+    "gas": {
+      "end_date": "2007-12-18",
+      "estimate": 0,
+      "start_date": "2007-01-18",
+      "consumption": 310400
+    },
+    "electricity": {
+      "end_date": "2008-01-31",
+      "estimate": 1,
+      "start_date": "2007-01-31",
+      "consumption": 422480
+    }
+  },
+  "technical_information": {
+    "floor_area": 99,
+    "main_heating_fuel": "Natural Gas",
+    "special_energy_uses": "special",
+    "building_environment": "Heating and Natural Ventilation",
+    "other_fuel_description": "other"
+  },
+  "or_assessment_end_date": "2020-05-01",
+  "summary_of_performance": {
+    "building_data": [
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 411.86,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 1.963,
+            "heating_sseff": 0.827,
+            "kwh_m2_cooling": 25.3865,
+            "kwh_m2_heating": 41.0355,
+            "cooling_gen_seer": 2.5,
+            "heating_gen_seff": 0.89,
+            "kwh_m2_auxiliary": 39.0832,
+            "mj_m2_cooling_dem": 179.401,
+            "mj_m2_heating_dem": 122.171
+          }
+        ],
+        "analysis_type": "ACTUAL",
+        "area_exterior": 1058.32,
+        "building_alpha": 18.3412,
+        "building_w_m2k": 0.389164,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 2.77834,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 3.07665,
+          "kwh_m2_ses": 0.801605,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 3.02777,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 25.3865,
+          "kwh_m2_heating": 41.0355,
+          "kwh_m2_lighting": 54.0787,
+          "kwh_m2_supplied": 121.327,
+          "kwh_m2_auxiliary": 39.0832,
+          "kwh_m2_displaced": 6.10442,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 41.0355,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 362.524,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 3.6,
+            "heating_sseff": 0.819,
+            "kwh_m2_cooling": 7.46769,
+            "kwh_m2_heating": 18.1581,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 14.0716,
+            "mj_m2_cooling_dem": 96.7814,
+            "mj_m2_heating_dem": 53.5375
+          }
+        ],
+        "analysis_type": "NOTIONAL",
+        "area_exterior": 1058.32,
+        "building_alpha": 11.2489,
+        "building_w_m2k": 0.342547,
+        "q50_infiltration": 3,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 3.33761,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 3.33761,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 7.46769,
+          "kwh_m2_heating": 18.1582,
+          "kwh_m2_lighting": 14.4489,
+          "kwh_m2_supplied": 35.9883,
+          "kwh_m2_auxiliary": 14.0716,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 18.1582,
+          "kwh_m2_district_heating": 0
+        }
+      },
+      {
+        "area": 402.6,
+        "weather": "LON",
+        "activities": [
+          {
+            "id": 1005,
+            "area": 402.6
+          }
+        ],
+        "building_w_k": 718.761,
+        "hvac_systems": [
+          {
+            "area": 402.6,
+            "type": "Fan coil systems",
+            "fuel_type": "Natural Gas",
+            "activities": [
+              {
+                "id": 1005,
+                "area": 402.6
+              }
+            ],
+            "heat_source": "LTHW boiler",
+            "cooling_sseer": 2.25,
+            "heating_sseff": 0.73,
+            "kwh_m2_cooling": 25.6538,
+            "kwh_m2_heating": 71.9516,
+            "cooling_gen_seer": 0,
+            "heating_gen_seff": 0,
+            "kwh_m2_auxiliary": 2.16062,
+            "mj_m2_cooling_dem": 207.795,
+            "mj_m2_heating_dem": 189.088
+          }
+        ],
+        "analysis_type": "REFERENCE",
+        "area_exterior": 1058.32,
+        "building_alpha": 10,
+        "building_w_m2k": 0.679153,
+        "q50_infiltration": 10,
+        "global_performance": {
+          "kwh_m2_chp": 0,
+          "kwh_m2_dhw": 6.41192,
+          "kwh_m2_lpg": 0,
+          "kwh_m2_oil": 0,
+          "kwh_m2_pvs": 0,
+          "kwh_m2_ses": 0,
+          "kwh_m2_coal": 0,
+          "kwh_m2_wind": 0,
+          "kwh_m2_biogas": 0,
+          "kwh_m2_biomass": 0,
+          "kwh_m2_cooling": 25.6538,
+          "kwh_m2_heating": 71.9516,
+          "kwh_m2_lighting": 45.54,
+          "kwh_m2_supplied": 73.3544,
+          "kwh_m2_auxiliary": 2.16062,
+          "kwh_m2_displaced": 0,
+          "kwh_m2_dual_fuel": 0,
+          "kwh_m2_equipment": 42.185,
+          "kwh_m2_smokeless": 0,
+          "kwh_m2_anthracite": 0,
+          "kwh_m2_waste_heat": 0,
+          "kwh_m2_natural_gas": 78.3634,
+          "kwh_m2_district_heating": 0
+        }
+      }
+    ]
+  },
+  "or_assessment_start_date": "2020-05-01",
+  "dec_annual_energy_summary": {
+    "typical_thermal_use": 1,
+    "renewables_electrical": 1,
+    "typical_electrical_use": 1,
+    "renewables_fuel_thermal": 1,
+    "annual_energy_use_electrical": 1,
+    "annual_energy_use_fuel_thermal": 1
+  },
+  "dec_related_party_disclosure": 4,
+  "current_energy_efficiency_band": "A"
+}

backend/epc_api/json_samples/RdSAP-Schema-17.0/epc.json

@@ -0,0 +1,352 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": {
+        "value": "(another dwelling above)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "walls": [
+    {
+      "description": {
+        "value": "System built, with internal insulation",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": {
+        "value": "(another dwelling below)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 2,
+  "window": {
+    "description": {
+      "value": "Fully double glazed",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "lighting": {
+    "description": {
+      "value": "Low energy lighting in 57% of fixed outlets",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "PT5 4RZ",
+  "hot_water": {
+    "description": {
+      "value": "Electric immersion, off-peak",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 2
+  },
+  "post_town": "POSTTOWN",
+  "built_form": 2,
+  "door_count": 2,
+  "glazed_area": 1,
+  "glazing_gap": "16+",
+  "region_code": 3,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 2,
+    "water_heating_code": 903,
+    "water_heating_fuel": 29,
+    "instantaneous_wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 29,
+        "heat_emitter_type": 0,
+        "emitter_temperature": "NA",
+        "main_heating_number": 1,
+        "main_heating_control": 2401,
+        "main_heating_category": 7,
+        "main_heating_fraction": 1,
+        "sap_main_heating_code": 402,
+        "main_heating_data_source": 2
+      }
+    ],
+    "immersion_heating_type": 1,
+    "cylinder_insulation_type": 0,
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 9.92,
+  "schema_type": "RdSAP-Schema-17.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": {
+        "value": "Electric storage heaters",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 1
+    }
+  ],
+  "dwelling_type": {
+    "value": "Mid-floor flat",
+    "language": "1"
+  },
+  "language_code": 1,
+  "property_type": 2,
+  "address_line_1": "42, Moria Mines Lane",
+  "assessment_type": "RdSAP",
+  "completion_date": "2016-01-12",
+  "inspection_date": "2016-01-12",
+  "extensions_count": 0,
+  "measurement_type": 1,
+  "sap_flat_details": {
+    "level": 2,
+    "top_storey": "N",
+    "flat_location": 1,
+    "heat_loss_corridor": 0
+  },
+  "total_floor_area": 55,
+  "transaction_type": 8,
+  "conservatory_type": 1,
+  "heated_room_count": 1,
+  "pvc_window_frames": "true",
+  "registration_date": "2016-01-12",
+  "sap_energy_source": {
+    "mains_gas": "N",
+    "meter_type": 1,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "pv_connection": 0,
+        "percent_roof_area": 0
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": {
+      "value": "Portable electric heaters (assumed)",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 240,
+      "floor_heat_loss": 6,
+      "roof_construction": 3,
+      "wall_construction": 8,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 54.6,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.3,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 23.3,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 3,
+      "construction_age_band": "D",
+      "party_wall_construction": 0,
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": "ND",
+      "roof_insulation_thickness": "ND",
+      "wall_insulation_thickness": "50mm"
+    }
+  ],
+  "low_energy_lighting": 57,
+  "solar_water_heating": "N",
+  "habitable_room_count": 3,
+  "heating_cost_current": {
+    "value": 214,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 3.9,
+  "energy_rating_average": 60,
+  "energy_rating_current": 66,
+  "lighting_cost_current": {
+    "value": 61,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": {
+        "value": "Manual charge control",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "multiple_glazing_type": 3,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 216,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 396,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 158,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£15 - £30",
+      "improvement_type": "C",
+      "improvement_details": {
+        "improvement_number": 1
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 60
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 14,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£15",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 60
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 64,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£1,200 - £1,800",
+      "improvement_type": "L2",
+      "improvement_details": {
+        "improvement_number": 60
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 78,
+      "environmental_impact_rating": 64
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 22,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£1,000",
+      "improvement_type": "X",
+      "improvement_details": {
+        "improvement_number": 48
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 79,
+      "environmental_impact_rating": 66
+    }
+  ],
+  "co2_emissions_potential": 2.5,
+  "energy_rating_potential": 79,
+  "lighting_cost_potential": {
+    "value": 42,
+    "currency": "GBP"
+  },
+  "schema_version_original": "LIG-17.0",
+  "alternative_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 141,
+        "currency": "GBP"
+      },
+      "improvement_type": "J2",
+      "improvement_details": {
+        "improvement_number": 54
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 81,
+      "environmental_impact_rating": 96
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 118,
+        "currency": "GBP"
+      },
+      "improvement_type": "Z1",
+      "improvement_details": {
+        "improvement_number": 51
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 80,
+      "environmental_impact_rating": 83
+    }
+  ],
+  "hot_water_cost_potential": {
+    "value": 154,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 4818,
+    "space_heating_existing_dwelling": 2415
+  },
+  "energy_consumption_current": 427,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "9.0.0",
+  "energy_consumption_potential": 267,
+  "environmental_impact_current": 48,
+  "fixed_lighting_outlets_count": 7,
+  "current_energy_efficiency_band": "D",
+  "environmental_impact_potential": 66,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 72,
+  "low_energy_fixed_lighting_outlets_count": 4
+}

backend/epc_api/json_samples/RdSAP-Schema-17.1/epc.json

@@ -0,0 +1,472 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": {
+        "value": "Pitched, 100 mm loft insulation",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    },
+    {
+      "description": {
+        "value": "Pitched, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": {
+        "value": "Cavity wall, filled cavity",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": {
+        "value": "Cavity wall, as built, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": {
+        "value": "Solid, no insulation (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "window": {
+    "description": {
+      "value": "Fully double glazed",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "lighting": {
+    "description": {
+      "value": "Low energy lighting in 23% of fixed outlets",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 2,
+    "environmental_efficiency_rating": 2
+  },
+  "postcode": "PT42 5HL",
+  "hot_water": {
+    "description": {
+      "value": "From main system",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "post_town": "POSTTOWN",
+  "built_form": 1,
+  "door_count": 4,
+  "glazed_area": 1,
+  "glazing_gap": "16+",
+  "region_code": 17,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 2,
+    "water_heating_code": 901,
+    "water_heating_fuel": 28,
+    "cylinder_thermostat": "Y",
+    "instantaneous_wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 1
+    },
+    "secondary_fuel_type": 29,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 28,
+        "boiler_flue_type": 1,
+        "fan_flue_present": "N",
+        "heat_emitter_type": 1,
+        "emitter_temperature": "NA",
+        "main_heating_number": 1,
+        "main_heating_control": 2104,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "mcs_installed_heat_pump": "false",
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 9049
+      }
+    ],
+    "immersion_heating_type": "NA",
+    "secondary_heating_type": 691,
+    "cylinder_insulation_type": 1,
+    "has_fixed_air_conditioning": "false",
+    "cylinder_insulation_thickness": 12
+  },
+  "sap_version": 9.92,
+  "schema_type": "RdSAP-Schema-17.1",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": {
+        "value": "Boiler and radiators, oil",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    }
+  ],
+  "dwelling_type": {
+    "value": "Detached house",
+    "language": "1"
+  },
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "15, Hedge Lane",
+  "address_line_2": "Lower Moria",
+  "assessment_type": "RdSAP",
+  "completion_date": "2018-05-29",
+  "inspection_date": "2018-05-29",
+  "extensions_count": 1,
+  "measurement_type": 2,
+  "total_floor_area": 101,
+  "transaction_type": 1,
+  "conservatory_type": 1,
+  "heated_room_count": 7,
+  "pvc_window_frames": "true",
+  "registration_date": "2018-05-27",
+  "sap_energy_source": {
+    "mains_gas": "N",
+    "meter_type": 2,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "pv_connection": 0,
+        "percent_roof_area": 0
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": {
+      "value": "Room heaters, electric",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 270,
+      "floor_heat_loss": 7,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 48.45,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 0,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 22.3,
+            "quantity": "metres"
+          }
+        },
+        {
+          "floor": 1,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 48.45,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 0,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 28.4,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "G",
+      "party_wall_construction": "NA",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "100mm"
+    },
+    {
+      "identifier": "Extension 1",
+      "wall_dry_lined": "N",
+      "wall_thickness": 260,
+      "floor_heat_loss": 7,
+      "roof_construction": 5,
+      "wall_construction": 4,
+      "building_part_number": 2,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 21.84,
+            "quantity": "square metres"
+          },
+          "party_wall_length": 0,
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 16.6,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "H",
+      "party_wall_construction": "NA",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 4,
+      "roof_insulation_thickness": 0,
+      "wall_insulation_thickness": "NI"
+    }
+  ],
+  "low_energy_lighting": 23,
+  "solar_water_heating": "N",
+  "habitable_room_count": 7,
+  "heating_cost_current": {
+    "value": 659,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 5.8,
+  "energy_rating_average": 60,
+  "energy_rating_current": 53,
+  "lighting_cost_current": {
+    "value": 115,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": {
+        "value": "Programmer and room thermostat",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    }
+  ],
+  "multiple_glazing_type": 3,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 470,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 161,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 25,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£100 - £350",
+      "improvement_type": "A",
+      "improvement_details": {
+        "improvement_number": 5
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 54,
+      "environmental_impact_rating": 47
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 87,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "W2",
+      "improvement_details": {
+        "improvement_number": 58
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 58,
+      "environmental_impact_rating": 52
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 16,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£15 - £30",
+      "improvement_type": "C",
+      "improvement_details": {
+        "improvement_number": 3
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 59,
+      "environmental_impact_rating": 53
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 42,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£50",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 61,
+      "environmental_impact_rating": 54
+    },
+    {
+      "sequence": 5,
+      "typical_saving": {
+        "value": 38,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£350 - £450",
+      "improvement_type": "G",
+      "improvement_details": {
+        "improvement_number": 13
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 62,
+      "environmental_impact_rating": 56
+    },
+    {
+      "sequence": 6,
+      "typical_saving": {
+        "value": 48,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£2,200 - £3,000",
+      "improvement_type": "I",
+      "improvement_details": {
+        "improvement_number": 20
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 65,
+      "environmental_impact_rating": 59
+    },
+    {
+      "sequence": 7,
+      "typical_saving": {
+        "value": 41,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 68,
+      "environmental_impact_rating": 62
+    },
+    {
+      "sequence": 8,
+      "typical_saving": {
+        "value": 27,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£2,000",
+      "improvement_type": "X",
+      "improvement_details": {
+        "improvement_number": 48
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 69,
+      "environmental_impact_rating": 64
+    },
+    {
+      "sequence": 9,
+      "typical_saving": {
+        "value": 297,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£5,000 - £8,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 78,
+      "environmental_impact_rating": 72
+    }
+  ],
+  "co2_emissions_potential": 2.7,
+  "energy_rating_potential": 78,
+  "lighting_cost_potential": {
+    "value": 65,
+    "currency": "GBP"
+  },
+  "schema_version_original": "LIG-17.1",
+  "hot_water_cost_potential": {
+    "value": 77,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 3301,
+    "impact_of_loft_insulation": -565,
+    "space_heating_existing_dwelling": 11351
+  },
+  "energy_consumption_current": 234,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "v92.0.1.1",
+  "energy_consumption_potential": 95,
+  "environmental_impact_current": 46,
+  "fixed_lighting_outlets_count": 13,
+  "current_energy_efficiency_band": "E",
+  "environmental_impact_potential": 72,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 57,
+  "low_energy_fixed_lighting_outlets_count": 3
+}

backend/epc_api/json_samples/RdSAP-Schema-18.0/epc.json

@@ -0,0 +1,413 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": {
+        "value": "Pitched, 100 mm loft insulation",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    },
+    {
+      "description": {
+        "value": "Flat, insulated",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    },
+    {
+      "description": {
+        "value": "Roof room(s), insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": {
+        "value": "Solid brick, as built, no insulation (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": {
+        "value": "Cavity wall, as built, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": {
+        "value": "Solid, no insulation (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "window": {
+    "description": {
+      "value": "Fully double glazed",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "lighting": {
+    "description": {
+      "value": "Low energy lighting in 67% of fixed outlets",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "PT11 4RF",
+  "hot_water": {
+    "description": {
+      "value": "From main system",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "POSTTOWN",
+  "built_form": 4,
+  "door_count": 2,
+  "glazed_area": 1,
+  "glazing_gap": 12,
+  "region_code": 1,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 1,
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "instantaneous_wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "heat_emitter_type": 1,
+        "emitter_temperature": 0,
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "central_heating_pump_age": 0,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 16137
+      }
+    ],
+    "immersion_heating_type": "NA",
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 9.92,
+  "schema_type": "RdSAP-Schema-18.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": {
+        "value": "Boiler and radiators, mains gas",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": {
+    "value": "Mid-terrace house",
+    "language": "1"
+  },
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "1, Bagshot Lane",
+  "address_line_2": "Village",
+  "assessment_type": "RdSAP",
+  "completion_date": "2017-03-19",
+  "inspection_date": "2017-03-19",
+  "extensions_count": 1,
+  "measurement_type": 1,
+  "total_floor_area": 93,
+  "transaction_type": 5,
+  "conservatory_type": 1,
+  "heated_room_count": 5,
+  "pvc_window_frames": "true",
+  "registration_date": "2017-03-19",
+  "sap_energy_source": {
+    "mains_gas": "Y",
+    "meter_type": 1,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "pv_connection": 0,
+        "percent_roof_area": 0
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": {
+      "value": "None",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 330,
+      "floor_heat_loss": 7,
+      "sap_room_in_roof": {
+        "floor_area": {
+          "value": 9,
+          "quantity": "square metres"
+        },
+        "insulation": "AB",
+        "roof_room_connected": "N",
+        "construction_age_band": "G"
+      },
+      "roof_construction": 4,
+      "wall_construction": 3,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 29.12,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 11.2,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 5.2,
+            "quantity": "metres"
+          }
+        },
+        {
+          "floor": 1,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 29.12,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 11.2,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 10.4,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "C",
+      "party_wall_construction": 0,
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "100mm",
+      "wall_insulation_thickness": "NI"
+    },
+    {
+      "identifier": "Extension",
+      "wall_dry_lined": "N",
+      "wall_thickness": 290,
+      "floor_heat_loss": 7,
+      "roof_construction": 1,
+      "wall_construction": 4,
+      "building_part_number": 2,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.4,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 15.6,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 6,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 5.2,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "G",
+      "party_wall_construction": 0,
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 6,
+      "wall_insulation_thickness": "NI",
+      "flat_roof_insulation_thickness": "NI"
+    }
+  ],
+  "low_energy_lighting": 67,
+  "solar_water_heating": "N",
+  "habitable_room_count": 5,
+  "heating_cost_current": {
+    "value": 619,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 3.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 69,
+  "lighting_cost_current": {
+    "value": 81,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": {
+        "value": "Programmer, room thermostat and TRVs",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "multiple_glazing_type": 3,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "false",
+  "heating_cost_potential": {
+    "value": 534,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 100,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £14,000",
+      "improvement_type": "Q",
+      "improvement_details": {
+        "improvement_number": 7
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 72,
+      "environmental_impact_rating": 71
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 18,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£15",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 73,
+      "environmental_impact_rating": 71
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 33,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 73
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 302,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£5,000 - £8,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 85,
+      "environmental_impact_rating": 83
+    }
+  ],
+  "co2_emissions_potential": 1.7,
+  "energy_rating_potential": 85,
+  "lighting_cost_potential": {
+    "value": 61,
+    "currency": "GBP"
+  },
+  "schema_version_original": "LIG-17.0",
+  "hot_water_cost_potential": {
+    "value": 68,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 2087,
+    "impact_of_loft_insulation": -214,
+    "impact_of_solid_wall_insulation": -1864,
+    "space_heating_existing_dwelling": 10483
+  },
+  "energy_consumption_current": 230,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "2.0.0.0",
+  "energy_consumption_potential": 115,
+  "environmental_impact_current": 66,
+  "fixed_lighting_outlets_count": 9,
+  "current_energy_efficiency_band": "C",
+  "environmental_impact_potential": 83,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "B",
+  "co2_emissions_current_per_floor_area": 41,
+  "low_energy_fixed_lighting_outlets_count": 6
+}

backend/epc_api/json_samples/RdSAP-Schema-19.0/epc.json

@@ -0,0 +1,386 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": {
+        "value": "Pitched, 150 mm loft insulation",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": {
+        "value": "Pitched, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    }
+  ],
+  "walls": [
+    {
+      "description": {
+        "value": "Cavity wall, filled cavity",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    },
+    {
+      "description": {
+        "value": "Cavity wall, as built, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": {
+        "value": "Solid, no insulation (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 3,
+  "window": {
+    "description": {
+      "value": "Fully double glazed",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "lighting": {
+    "description": {
+      "value": "Low energy lighting in 87% of fixed outlets",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "A1 1AA",
+  "hot_water": {
+    "description": {
+      "value": "From main system",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 2,
+  "door_count": 1,
+  "glazed_area": 1,
+  "region_code": 19,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 1,
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "instantaneous_wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "secondary_fuel_type": 9,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "heat_emitter_type": 1,
+        "emitter_temperature": 0,
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "central_heating_pump_age": 0,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 15274
+      }
+    ],
+    "immersion_heating_type": "NA",
+    "secondary_heating_type": 631,
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 9.94,
+  "schema_type": "RdSAP-Schema-19.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": {
+        "value": "Boiler and radiators, mains gas",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": {
+    "value": "Semi-detached house",
+    "language": "1"
+  },
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "15, Address Lane",
+  "address_line_2": "New Town",
+  "assessment_type": "RdSAP",
+  "completion_date": "2020-06-04",
+  "inspection_date": "2020-06-03",
+  "extensions_count": 1,
+  "measurement_type": 1,
+  "total_floor_area": 94,
+  "transaction_type": 8,
+  "conservatory_type": 2,
+  "heated_room_count": 5,
+  "pvc_window_frames": "false",
+  "registration_date": "2020-06-04",
+  "sap_energy_source": {
+    "mains_gas": "Y",
+    "meter_type": 3,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "pv_connection": 0,
+        "percent_roof_area": 0
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": {
+      "value": "Room heaters, dual fuel (mineral and wood)",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11,
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 300,
+      "floor_heat_loss": 7,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.47,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 39.91,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 8.81,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 13.65,
+            "quantity": "metres"
+          }
+        },
+        {
+          "floor": 1,
+          "room_height": {
+            "value": 2.36,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 39.91,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 8.81,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 17.87,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "D",
+      "party_wall_construction": 1,
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "150mm",
+      "wall_insulation_thickness": "NI",
+      "floor_insulation_thickness": "NI"
+    },
+    {
+      "identifier": "Extension",
+      "wall_dry_lined": "N",
+      "wall_thickness": 300,
+      "floor_heat_loss": 7,
+      "roof_construction": 5,
+      "wall_construction": 4,
+      "building_part_number": 2,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.34,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 13.88,
+            "quantity": "square metres"
+          },
+          "party_wall_length": 0,
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 10.8,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "G",
+      "party_wall_construction": "NA",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 4,
+      "roof_insulation_thickness": "ND",
+      "wall_insulation_thickness": "NI",
+      "floor_insulation_thickness": "NI"
+    }
+  ],
+  "low_energy_lighting": 87,
+  "solar_water_heating": "N",
+  "habitable_room_count": 5,
+  "heating_cost_current": {
+    "value": 666,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 3.8,
+  "energy_rating_average": 60,
+  "energy_rating_current": 66,
+  "lighting_cost_current": {
+    "value": 81,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": {
+        "value": "Programmer, room thermostat and TRVs",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "multiple_glazing_type": 3,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "false",
+  "heating_cost_potential": {
+    "value": 615,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 107,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 51,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "W2",
+      "improvement_details": {
+        "improvement_number": 58
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 68,
+      "environmental_impact_rating": 65
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 33,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 70,
+      "environmental_impact_rating": 67
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 316,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£3,500 - £5,500",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 79,
+      "environmental_impact_rating": 75
+    }
+  ],
+  "co2_emissions_potential": 2.4,
+  "energy_rating_potential": 79,
+  "lighting_cost_potential": {
+    "value": 81,
+    "currency": "GBP"
+  },
+  "schema_version_original": "LIG-19.0",
+  "hot_water_cost_potential": {
+    "value": 74,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 2207,
+    "impact_of_loft_insulation": -394,
+    "space_heating_existing_dwelling": 9825
+  },
+  "energy_consumption_current": 222,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "2.1.1.0",
+  "energy_consumption_potential": 137,
+  "environmental_impact_current": 62,
+  "fixed_lighting_outlets_count": 15,
+  "windows_transmission_details": {
+    "u_value": 3.1,
+    "data_source": 2,
+    "solar_transmittance": 0.76
+  },
+  "current_energy_efficiency_band": "D",
+  "environmental_impact_potential": 75,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 41,
+  "low_energy_fixed_lighting_outlets_count": 13
+}

backend/epc_api/json_samples/RdSAP-Schema-20.0.0/epc.json

@@ -0,0 +1,340 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Pitched, 25 mm loft insulation",
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    },
+    {
+      "description": "Pitched, 250 mm loft insulation",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": "Solid brick, as built, no insulation (assumed)",
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": "Cavity wall, as built, insulated (assumed)",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Suspended, no insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    },
+    {
+      "description": "Solid, insulated (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "window": {
+    "description": "Fully double glazed",
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "addendum": {
+    "stone_walls": "true",
+    "system_build": "true",
+    "addendum_numbers": [
+      1,
+      8
+    ]
+  },
+  "lighting": {
+    "description": "Low energy lighting in 50% of fixed outlets",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "A0 0AA",
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Whitbury",
+  "built_form": 2,
+  "door_count": 2,
+  "glazed_area": 1,
+  "region_code": 1,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 1,
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "instantaneous_wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "secondary_fuel_type": 25,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "N",
+        "heat_emitter_type": 1,
+        "emitter_temperature": 0,
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "sap_main_heating_code": 101,
+        "central_heating_pump_age": 0,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 17507
+      }
+    ],
+    "immersion_heating_type": "NA",
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 9.8,
+  "sap_windows": [
+    {
+      "orientation": 1,
+      "window_area": 200.1,
+      "window_type": 2,
+      "glazing_type": 1,
+      "window_location": 0
+    },
+    {
+      "orientation": 2,
+      "window_area": 180.2,
+      "window_type": 1,
+      "glazing_type": 2,
+      "window_location": 1
+    }
+  ],
+  "schema_type": "RdSAP-Schema-20.0.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, anthracite",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "1 Some Street",
+  "assessment_type": "RdSAP",
+  "completion_date": "2020-05-04",
+  "inspection_date": "2020-05-04",
+  "extensions_count": 0,
+  "measurement_type": 1,
+  "sap_flat_details": {
+    "level": 1,
+    "top_storey": "N",
+    "storey_count": 3,
+    "flat_location": 1,
+    "heat_loss_corridor": 2,
+    "unheated_corridor_length": 10
+  },
+  "total_floor_area": 55,
+  "transaction_type": 1,
+  "conservatory_type": 1,
+  "heated_room_count": 5,
+  "registration_date": "2020-05-04",
+  "sap_energy_source": {
+    "mains_gas": "Y",
+    "meter_type": 2,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "pv_connection": 0,
+        "percent_roof_area": 50
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": "Room heaters, electric",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "floor_heat_loss": 7,
+      "sap_room_in_roof": {
+        "floor_area": 100,
+        "insulation": "AB",
+        "roof_room_connected": "N",
+        "construction_age_band": "B"
+      },
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.45,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 45.82,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.9,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 19.5,
+            "quantity": "metres"
+          }
+        },
+        {
+          "floor": 1,
+          "room_height": {
+            "value": 2.59,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 45.82,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.9,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 19.5,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "K",
+      "party_wall_construction": 0,
+      "wall_thickness_measured": "N",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "200mm",
+      "wall_insulation_thickness": "NI",
+      "floor_insulation_thickness": "NI"
+    }
+  ],
+  "low_energy_lighting": 100,
+  "solar_water_heating": "N",
+  "habitable_room_count": 5,
+  "heating_cost_current": 365.98,
+  "insulated_door_count": 2,
+  "co2_emissions_current": 2.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 50,
+  "lighting_cost_current": 123.45,
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": "Time and temperature zone control",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "multiple_glazing_type": 2,
+  "open_fireplaces_count": 0,
+  "heating_cost_potential": 250.34,
+  "hot_water_cost_current": 200.4,
+  "insulated_door_u_value": 3,
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": 360,
+      "indicative_cost": "£100 - £350",
+      "improvement_type": "Z3",
+      "improvement_details": {
+        "improvement_number": 5
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 50,
+      "environmental_impact_rating": 50
+    },
+    {
+      "sequence": 2,
+      "typical_saving": 99,
+      "indicative_cost": 2000,
+      "improvement_type": "Z2",
+      "improvement_details": {
+        "improvement_number": 1
+      },
+      "improvement_category": 2,
+      "energy_performance_rating": 60,
+      "environmental_impact_rating": 64
+    },
+    {
+      "sequence": 3,
+      "typical_saving": 99,
+      "indicative_cost": 1000,
+      "improvement_type": "Z2",
+      "improvement_details": {
+        "improvement_texts": {
+          "improvement_summary": "An improvement summary",
+          "improvement_description": "An improvement desc"
+        }
+      },
+      "improvement_category": 2,
+      "energy_performance_rating": 60,
+      "environmental_impact_rating": 64
+    }
+  ],
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 72,
+  "lighting_cost_potential": 84.23,
+  "schema_version_original": "SAP-19.0",
+  "hot_water_cost_potential": 180.43,
+  "renewable_heat_incentive": {
+    "water_heating": 2285,
+    "impact_of_loft_insulation": -2114,
+    "impact_of_cavity_insulation": -122,
+    "impact_of_solid_wall_insulation": -3560,
+    "space_heating_existing_dwelling": 13120
+  },
+  "energy_consumption_current": 230,
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "13.05r16",
+  "energy_consumption_potential": 88,
+  "environmental_impact_current": 52,
+  "fixed_lighting_outlets_count": 16,
+  "windows_transmission_details": {
+    "u_value": 2,
+    "data_source": 2,
+    "solar_transmittance": 0.72
+  },
+  "multiple_glazed_proportion_nr": "NR",
+  "current_energy_efficiency_band": "E",
+  "environmental_impact_potential": 74,
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 20,
+  "low_energy_fixed_lighting_outlets_count": 16
+}

backend/epc_api/json_samples/RdSAP-Schema-21.0.0/epc.json

@@ -0,0 +1,403 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Pitched, 25 mm loft insulation",
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    },
+    {
+      "description": "Pitched, 250 mm loft insulation",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": "Solid brick, as built, no insulation (assumed)",
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": "Cavity wall, as built, insulated (assumed)",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Suspended, no insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    },
+    {
+      "description": "Solid, insulated (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "window": {
+    "description": "Fully double glazed",
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "addendum": {
+    "stone_walls": "true",
+    "system_build": "true",
+    "addendum_numbers": [
+      1,
+      8
+    ]
+  },
+  "lighting": {
+    "description": "Low energy lighting in 50% of fixed outlets",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "A0 0AA",
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Whitbury",
+  "built_form": 2,
+  "door_count": 3,
+  "region_code": 1,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 1,
+    "shower_outlets": {
+      "shower_outlet": {
+        "shower_wwhrs": 1,
+        "shower_outlet_type": 1
+      }
+    },
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "instantaneous_wwhrs": {
+      "wwhrs_index_number1": 1,
+      "wwhrs_index_number2": 2
+    },
+    "secondary_fuel_type": 25,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "N",
+        "heat_emitter_type": 1,
+        "emitter_temperature": 0,
+        "main_heating_number": 1,
+        "boiler_ignition_type": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "sap_main_heating_code": 101,
+        "central_heating_pump_age": 0,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 17507
+      }
+    ],
+    "immersion_heating_type": "NA",
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 10.2,
+  "sap_windows": [
+    {
+      "pvc_frame": "false",
+      "glazing_gap": 6,
+      "orientation": 1,
+      "window_type": 2,
+      "frame_factor": 1.0,
+      "glazing_type": 14,
+      "window_width": 1.2,
+      "window_height": 2.0,
+      "draught_proofed": "true",
+      "window_location": 0,
+      "window_wall_type": 6,
+      "permanent_shutters_present": "N",
+      "window_transmission_details": {
+        "u_value": 1.0,
+        "data_source": 2,
+        "solar_transmittance": 1.0
+      },
+      "permanent_shutters_insulated": "N"
+    },
+    {
+      "pvc_frame": "false",
+      "glazing_gap": 6,
+      "orientation": 1,
+      "window_type": 2,
+      "frame_factor": 1.0,
+      "glazing_type": 1,
+      "window_width": 1.2,
+      "window_height": 2.0,
+      "draught_proofed": "true",
+      "window_location": 1,
+      "window_wall_type": 6,
+      "permanent_shutters_present": "N",
+      "window_transmission_details": {
+        "u_value": 1.0,
+        "data_source": 2,
+        "solar_transmittance": 1.0
+      },
+      "permanent_shutters_insulated": "N"
+    }
+  ],
+  "schema_type": "RdSAP-Schema-21.0.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, anthracite",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "pressure_test": 6,
+  "property_type": 0,
+  "address_line_1": "1 Some Street",
+  "assessment_type": "RdSAP",
+  "completion_date": "2023-12-01",
+  "inspection_date": "2023-12-01",
+  "wet_rooms_count": 0,
+  "extensions_count": 0,
+  "measurement_type": 1,
+  "sap_flat_details": {
+    "level": 1,
+    "top_storey": "N",
+    "storey_count": 3,
+    "flat_location": 1,
+    "heat_loss_corridor": 2,
+    "unheated_corridor_length": 10
+  },
+  "total_floor_area": 55,
+  "transaction_type": 16,
+  "conservatory_type": 1,
+  "heated_room_count": 5,
+  "registration_date": "2023-12-01",
+  "sap_energy_source": {
+    "mains_gas": "Y",
+    "meter_type": 2,
+    "pv_batteries": {
+      "pv_battery": {
+        "battery_capacity": 5
+      }
+    },
+    "pv_connection": 0,
+    "pv_battery_count": 1,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "percent_roof_area": 0
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbine_details": {
+      "hub_height": 0,
+      "rotor_diameter": 0
+    },
+    "gas_smart_meter_present": "false",
+    "is_dwelling_export_capable": "false",
+    "wind_turbines_terrain_type": 4,
+    "electricity_smart_meter_present": "true"
+  },
+  "secondary_heating": {
+    "description": "Room heaters, electric",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "floor_heat_loss": 7,
+      "sap_room_in_roof": {
+        "floor_area": 100,
+        "construction_age_band": "B"
+      },
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.45,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 45.82,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.9,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 19.5,
+            "quantity": "metres"
+          }
+        },
+        {
+          "floor": 1,
+          "room_height": {
+            "value": 2.59,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 45.82,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.9,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 19.5,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "M",
+      "sap_alternative_wall_1": {
+        "wall_area": 10.4,
+        "wall_dry_lined": "N",
+        "wall_construction": 4,
+        "wall_insulation_type": 2,
+        "wall_thickness_measured": "N"
+      },
+      "sap_alternative_wall_2": {
+        "wall_area": 10.8,
+        "wall_dry_lined": "N",
+        "wall_construction": 4,
+        "wall_insulation_type": 2,
+        "wall_thickness_measured": "N"
+      },
+      "party_wall_construction": 0,
+      "wall_thickness_measured": "N",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "200mm",
+      "wall_insulation_thickness": "NI",
+      "floor_insulation_thickness": "NI"
+    }
+  ],
+  "open_chimneys_count": 1,
+  "solar_water_heating": "N",
+  "habitable_room_count": 5,
+  "heating_cost_current": 365.98,
+  "insulated_door_count": 2,
+  "co2_emissions_current": 2.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 50,
+  "lighting_cost_current": 123.45,
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": "Time and temperature zone control",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": 250.34,
+  "hot_water_cost_current": 200.4,
+  "insulated_door_u_value": 3,
+  "mechanical_ventilation": 6,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": 360,
+      "indicative_cost": "£100 - £350",
+      "improvement_type": "Z3",
+      "improvement_details": {
+        "improvement_number": 5
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 50,
+      "environmental_impact_rating": 50
+    },
+    {
+      "sequence": 2,
+      "typical_saving": 99,
+      "indicative_cost": 2000,
+      "improvement_type": "Z2",
+      "improvement_details": {
+        "improvement_number": 1
+      },
+      "improvement_category": 2,
+      "energy_performance_rating": 60,
+      "environmental_impact_rating": 64
+    },
+    {
+      "sequence": 3,
+      "typical_saving": 99,
+      "indicative_cost": 1000,
+      "improvement_type": "Z2",
+      "improvement_details": {
+        "improvement_texts": {
+          "improvement_description": "Improvement desc"
+        }
+      },
+      "improvement_category": 2,
+      "energy_performance_rating": 60,
+      "environmental_impact_rating": 64
+    }
+  ],
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 72,
+  "lighting_cost_potential": 84.23,
+  "schema_version_original": "SAP-19.0",
+  "hot_water_cost_potential": 180.43,
+  "renewable_heat_incentive": {
+    "water_heating": 2285,
+    "impact_of_loft_insulation": -2114,
+    "impact_of_cavity_insulation": -122,
+    "impact_of_solid_wall_insulation": -3560,
+    "space_heating_existing_dwelling": 13120
+  },
+  "draughtproofed_door_count": 1,
+  "mechanical_vent_duct_type": 3,
+  "energy_consumption_current": 230,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "13.05r16",
+  "energy_consumption_potential": 88,
+  "environmental_impact_current": 52,
+  "windows_transmission_details": {
+    "u_value": 2,
+    "data_source": 2,
+    "solar_transmittance": 0.72
+  },
+  "cfl_fixed_lighting_bulbs_count": 5,
+  "current_energy_efficiency_band": "E",
+  "environmental_impact_potential": 74,
+  "led_fixed_lighting_bulbs_count": 10,
+  "mechanical_vent_duct_placement": 2,
+  "mechanical_vent_duct_insulation": 2,
+  "potential_energy_efficiency_band": "C",
+  "pressure_test_certificate_number": 0,
+  "mechanical_ventilation_index_number": 12,
+  "co2_emissions_current_per_floor_area": 20,
+  "low_energy_fixed_lighting_bulbs_count": 16,
+  "mechanical_vent_duct_insulation_level": 2,
+  "mechanical_vent_measured_installation": "false",
+  "incandescent_fixed_lighting_bulbs_count": 5
+}

backend/epc_api/json_samples/RdSAP-Schema-21.0.1/epc.json

@@ -0,0 +1,446 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": {
+        "value": "Pitched, 25 mm loft insulation",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    },
+    {
+      "description": {
+        "value": "Pitched, 250 mm loft insulation",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": {
+        "value": "Solid brick, as built, no insulation (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": {
+        "value": "Cavity wall, as built, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": {
+        "value": "Suspended, no insulation (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    },
+    {
+      "description": {
+        "value": "Solid, insulated (assumed)",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "window": {
+    "description": {
+      "value": "Fully double glazed",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "addendum": {
+    "stone_walls": "true",
+    "system_build": "true",
+    "addendum_numbers": [
+      1,
+      13
+    ]
+  },
+  "lighting": {
+    "description": {
+      "value": "Low energy lighting in 50% of fixed outlets",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "A0 0AA",
+  "hot_water": {
+    "description": {
+      "value": "From main system",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Whitbury",
+  "built_form": 2,
+  "door_count": 3,
+  "region_code": 1,
+  "report_type": 2,
+  "sap_heating": {
+    "cylinder_size": 1,
+    "shower_outlets": {
+      "shower_outlet": {
+        "shower_wwhrs": 1,
+        "shower_outlet_type": 1
+      }
+    },
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "instantaneous_wwhrs": {
+      "wwhrs_index_number1": 1,
+      "wwhrs_index_number2": 2
+    },
+    "secondary_fuel_type": 25,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "N",
+        "heat_emitter_type": 1,
+        "emitter_temperature": 0,
+        "main_heating_number": 1,
+        "boiler_ignition_type": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "sap_main_heating_code": 101,
+        "central_heating_pump_age": 0,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 17507
+      }
+    ],
+    "immersion_heating_type": "NA",
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 10.2,
+  "sap_windows": [
+    {
+      "pvc_frame": "false",
+      "glazing_gap": 6,
+      "orientation": 1,
+      "window_type": 2,
+      "frame_factor": 1.0,
+      "glazing_type": 14,
+      "window_width": 1.2,
+      "window_height": 2.0,
+      "draught_proofed": "true",
+      "window_location": 0,
+      "window_wall_type": 6,
+      "permanent_shutters_present": "N",
+      "window_transmission_details": {
+        "u_value": 1.0,
+        "data_source": 2,
+        "solar_transmittance": 1.0
+      },
+      "permanent_shutters_insulated": "N"
+    },
+    {
+      "pvc_frame": "false",
+      "glazing_gap": 6,
+      "orientation": 1,
+      "window_type": 2,
+      "frame_factor": 1.0,
+      "glazing_type": 1,
+      "window_width": 1.2,
+      "window_height": 2.0,
+      "draught_proofed": "true",
+      "window_location": 1,
+      "window_wall_type": 6,
+      "permanent_shutters_present": "N",
+      "window_transmission_details": {
+        "u_value": 1.0,
+        "data_source": 2,
+        "solar_transmittance": 1.0
+      },
+      "permanent_shutters_insulated": "N"
+    }
+  ],
+  "schema_type": "RdSAP-Schema-21.0.1",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": {
+        "value": "Boiler and radiators, anthracite",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": {
+        "value": "Boiler and radiators, mains gas",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "pressure_test": 6,
+  "property_type": 0,
+  "address_line_1": "1 Some Street",
+  "assessment_type": "RdSAP",
+  "completion_date": "2025-04-04",
+  "inspection_date": "2025-04-04",
+  "wet_rooms_count": 0,
+  "extensions_count": 0,
+  "measurement_type": 1,
+  "sap_flat_details": {
+    "level": 1,
+    "top_storey": "N",
+    "storey_count": 3,
+    "flat_location": 1,
+    "heat_loss_corridor": 2,
+    "unheated_corridor_length": {
+      "value": 10,
+      "quantity": "metres"
+    }
+  },
+  "total_floor_area": 55,
+  "transaction_type": 16,
+  "conservatory_type": 1,
+  "heated_room_count": 5,
+  "registration_date": "2025-04-04",
+  "sap_energy_source": {
+    "mains_gas": "Y",
+    "meter_type": 2,
+    "pv_batteries": {
+      "pv_battery": {
+        "battery_capacity": 5
+      }
+    },
+    "pv_connection": 0,
+    "pv_battery_count": 1,
+    "photovoltaic_supply": {
+      "none_or_no_details": {
+        "percent_roof_area": 0
+      }
+    },
+    "wind_turbines_count": 0,
+    "wind_turbine_details": {
+      "hub_height": 0,
+      "rotor_diameter": 0
+    },
+    "gas_smart_meter_present": "false",
+    "is_dwelling_export_capable": "false",
+    "wind_turbines_terrain_type": 4,
+    "electricity_smart_meter_present": "true"
+  },
+  "secondary_heating": {
+    "description": {
+      "value": "Room heaters, electric",
+      "language": "1"
+    },
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "floor_heat_loss": 7,
+      "sap_room_in_roof": {
+        "floor_area": 100,
+        "construction_age_band": "B"
+      },
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": {
+            "value": 2.45,
+            "quantity": "metres"
+          },
+          "floor_insulation": 1,
+          "total_floor_area": {
+            "value": 45.82,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.9,
+            "quantity": "metres"
+          },
+          "floor_construction": 1,
+          "heat_loss_perimeter": {
+            "value": 19.5,
+            "quantity": "metres"
+          }
+        },
+        {
+          "floor": 1,
+          "room_height": {
+            "value": 2.59,
+            "quantity": "metres"
+          },
+          "total_floor_area": {
+            "value": 45.82,
+            "quantity": "square metres"
+          },
+          "party_wall_length": {
+            "value": 7.9,
+            "quantity": "metres"
+          },
+          "heat_loss_perimeter": {
+            "value": 19.5,
+            "quantity": "metres"
+          }
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "M",
+      "sap_alternative_wall_1": {
+        "wall_area": 10.4,
+        "wall_dry_lined": "N",
+        "wall_construction": 4,
+        "wall_insulation_type": 2,
+        "wall_thickness_measured": "N"
+      },
+      "sap_alternative_wall_2": {
+        "wall_area": 10.8,
+        "wall_dry_lined": "N",
+        "wall_construction": 4,
+        "wall_insulation_type": 2,
+        "wall_thickness_measured": "N"
+      },
+      "party_wall_construction": 0,
+      "wall_thickness_measured": "N",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "200mm",
+      "wall_insulation_thickness": "NI",
+      "floor_insulation_thickness": "NI"
+    }
+  ],
+  "open_chimneys_count": 1,
+  "solar_water_heating": "N",
+  "habitable_room_count": 5,
+  "heating_cost_current": 365.98,
+  "insulated_door_count": 2,
+  "co2_emissions_current": 2.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 50,
+  "lighting_cost_current": 123.45,
+  "main_heating_controls": [
+    {
+      "description": {
+        "value": "Programmer, room thermostat and TRVs",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": {
+        "value": "Time and temperature zone control",
+        "language": "1"
+      },
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": 250.34,
+  "hot_water_cost_current": 200.4,
+  "insulated_door_u_value": 3,
+  "mechanical_ventilation": 6,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": 139,
+      "indicative_cost": "£220 - £250",
+      "improvement_type": "G",
+      "improvement_details": {
+        "improvement_number": 66
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 70,
+      "environmental_impact_rating": 70
+    },
+    {
+      "sequence": 2,
+      "typical_saving": 49,
+      "indicative_cost": "£4,000 - £7,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 72,
+      "environmental_impact_rating": 73
+    },
+    {
+      "sequence": 3,
+      "typical_saving": 286,
+      "indicative_cost": "£8,000 - £10,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 83,
+      "environmental_impact_rating": 75
+    }
+  ],
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 72,
+  "lighting_cost_potential": 84.23,
+  "schema_version_original": "SAP-19.0",
+  "hot_water_cost_potential": 180.43,
+  "renewable_heat_incentive": {
+    "water_heating": 2285,
+    "impact_of_loft_insulation": -2114,
+    "impact_of_cavity_insulation": -122,
+    "impact_of_solid_wall_insulation": -3560,
+    "space_heating_existing_dwelling": 13120
+  },
+  "draughtproofed_door_count": 1,
+  "mechanical_vent_duct_type": 3,
+  "energy_consumption_current": 230,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "13.05r16",
+  "energy_consumption_potential": 88,
+  "environmental_impact_current": 52,
+  "windows_transmission_details": {
+    "u_value": 2,
+    "data_source": 2,
+    "solar_transmittance": 0.72
+  },
+  "cfl_fixed_lighting_bulbs_count": 5,
+  "current_energy_efficiency_band": "E",
+  "environmental_impact_potential": 74,
+  "led_fixed_lighting_bulbs_count": 10,
+  "mechanical_vent_duct_placement": 2,
+  "mechanical_vent_duct_insulation": 2,
+  "potential_energy_efficiency_band": "C",
+  "pressure_test_certificate_number": 0,
+  "mechanical_ventilation_index_number": 12,
+  "co2_emissions_current_per_floor_area": 20,
+  "low_energy_fixed_lighting_bulbs_count": 16,
+  "mechanical_vent_duct_insulation_level": 2,
+  "mechanical_vent_measured_installation": "false",
+  "incandescent_fixed_lighting_bulbs_count": 0
+}

backend/epc_api/json_samples/SAP-Schema-16.0/rdsap.json

@@ -0,0 +1,299 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Pitched, 300+ mm loft insulation",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Cavity wall, filled cavity",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": "Cavity wall, as built, insulated (assumed)",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Solid, no insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "windows": [
+    {
+      "description": "Fully double glazed",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "lighting": {
+    "description": "Low energy lighting in 67% of fixed outlets",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "AA1 1AA",
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 1,
+  "door_count": 2,
+  "glazed_area": 1,
+  "region_code": 12,
+  "report_type": 2,
+  "sap_heating": {
+    "wwhrs": {
+      "rooms_with_bath_and_or_shower": 2,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "cylinder_size": 1,
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "Y",
+        "heat_emitter_type": 1,
+        "boiler_index_number": 10265,
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "main_heating_data_source": 1
+      }
+    ],
+    "has_fixed_air_conditioning": "false"
+  },
+  "sap_version": 9.91,
+  "schema_type": "SAP-Schema-16.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": "Detached bungalow",
+  "language_code": 1,
+  "property_type": 1,
+  "address_line_1": "11, Street Road",
+  "schema_version": "LIG-16.0",
+  "assessment_type": "RdSAP",
+  "completion_date": "2012-09-30",
+  "inspection_date": "2012-09-27",
+  "extensions_count": 1,
+  "measurement_type": 1,
+  "total_floor_area": 107,
+  "transaction_type": 1,
+  "conservatory_type": 1,
+  "heated_room_count": 5,
+  "registration_date": "2012-09-30",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "main_gas": "Y",
+    "meter_type": 2,
+    "photovoltaic_supply": {
+      "percent_roof_area": 0
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 300,
+      "floor_heat_loss": 7,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 2.33,
+          "floor_insulation": 1,
+          "total_floor_area": 97.96,
+          "floor_construction": 1,
+          "heat_loss_perimeter": 37
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "E",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "300mm+"
+    },
+    {
+      "identifier": "Extension",
+      "wall_dry_lined": "N",
+      "floor_heat_loss": 7,
+      "roof_construction": 5,
+      "wall_construction": 4,
+      "building_part_number": 2,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 3.08,
+          "floor_insulation": 1,
+          "total_floor_area": 8.63,
+          "floor_construction": 1,
+          "heat_loss_perimeter": 7.42
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "K",
+      "wall_thickness_measured": "N",
+      "roof_insulation_location": 4,
+      "roof_insulation_thickness": "NI"
+    }
+  ],
+  "low_energy_lighting": 67,
+  "solar_water_heating": "N",
+  "bedf_revision_number": 329,
+  "habitable_room_count": 5,
+  "heating_cost_current": {
+    "value": 494,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 2.9,
+  "energy_rating_average": 60,
+  "energy_rating_current": 73,
+  "lighting_cost_current": {
+    "value": 73,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "multiple_glazing_type": 2,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "false",
+  "heating_cost_potential": {
+    "value": 428,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 90,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 68,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£800 - £1,200",
+      "improvement_type": "W",
+      "improvement_details": {
+        "improvement_number": 47
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 76,
+      "environmental_impact_rating": 76
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 16,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£25",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 76,
+      "environmental_impact_rating": 76
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 26,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 77,
+      "environmental_impact_rating": 78
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 238,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£9,000 - £14,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 86,
+      "environmental_impact_rating": 86
+    }
+  ],
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 86,
+  "lighting_cost_potential": {
+    "value": 55,
+    "currency": "GBP"
+  },
+  "hot_water_cost_potential": {
+    "value": 64,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 2264,
+    "space_heating_existing_dwelling": 9324
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 144,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": 8.0,
+  "energy_consumption_potential": 64,
+  "environmental_impact_current": 72,
+  "fixed_lighting_outlets_count": 15,
+  "current_energy_efficiency_band": "C",
+  "environmental_impact_potential": 86,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "B",
+  "co2_emissions_current_per_floor_area": 28,
+  "low_energy_fixed_lighting_outlets_count": 10
+}

backend/epc_api/json_samples/SAP-Schema-16.0/sap.json

@@ -0,0 +1,348 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "(other premises above)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.34 W/m²K",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.25 W/m²K",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "status": "entered",
+  "windows": {
+    "description": "Fully double glazed",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "lighting": {
+    "description": "Low energy lighting in 57% of fixed outlets",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "postcode": "AA1 1AA",
+  "data_type": 2,
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 1,
+  "living_area": 31.53,
+  "orientation": 0,
+  "region_code": 17,
+  "report_type": 3,
+  "sap_heating": {
+    "thermal_store": 1,
+    "has_solar_panel": "false",
+    "water_fuel_type": 1,
+    "water_heating_code": 901,
+    "hot_water_store_size": 145,
+    "main_heating_details": [
+      {
+        "main_fuel_type": 1,
+        "heat_emitter_type": 1,
+        "boiler_index_number": 9206,
+        "is_flue_fan_present": "true",
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "is_interlocked_system": "true",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "main_heating_data_source": 1,
+        "has_delayed_start_thermostat": "false",
+        "load_or_weather_compensation": 0,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_cylinder_in_heated_space": "true",
+    "is_hot_water_separately_timed": "true",
+    "is_primary_pipework_insulated": "true",
+    "hot_water_store_insulation_type": 1,
+    "hot_water_store_heat_loss_source": 3,
+    "hot_water_store_insulation_thickness": 50
+  },
+  "sap_version": 9.9,
+  "schema_type": "SAP-Schema-16.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "air_tightness": {
+    "description": "Air permeability 2.7 m³/h.m² (as tested)",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "dwelling_type": "Mid-floor flat",
+  "language_code": 1,
+  "property_type": 2,
+  "address_line_1": "28, Place Drive",
+  "schema_version": "LIG-16.0",
+  "assessment_date": "2012-09-29",
+  "assessment_type": "SAP",
+  "completion_date": "2012-09-29",
+  "inspection_date": "2012-09-29",
+  "sap_ventilation": {
+    "psv_count": 0,
+    "pressure_test": 1,
+    "air_permeability": 2.72,
+    "open_flues_count": 0,
+    "ventilation_type": 1,
+    "extract_fans_count": 3,
+    "open_fireplaces_count": 0,
+    "sheltered_sides_count": 2,
+    "flueless_gas_fires_count": 0
+  },
+  "sap_data_version": 9.81,
+  "sap_flat_details": {
+    "level": 2
+  },
+  "total_floor_area": 80,
+  "transaction_type": 6,
+  "conservatory_type": 1,
+  "registration_date": "2012-09-29",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "electricity_tariff": 1,
+    "wind_turbines_count": 0,
+    "wind_turbine_terrain_type": 1,
+    "fixed_lighting_outlets_count": 7,
+    "low_energy_fixed_lighting_outlets_count": 4,
+    "low_energy_fixed_lighting_outlets_percentage": 57
+  },
+  "sap_opening_types": [
+    {
+      "name": 1,
+      "type": 2,
+      "u_value": 2,
+      "data_source": 2,
+      "description": "Door",
+      "glazing_type": 6
+    },
+    {
+      "name": 2,
+      "type": 4,
+      "u_value": 1.8,
+      "data_source": 2,
+      "description": "Window",
+      "frame_factor": 0.7,
+      "glazing_type": 6,
+      "solar_transmittance": 0.63
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "sap_walls": [
+        {
+          "name": "Wall 1",
+          "u_value": 0.35,
+          "wall_type": 2,
+          "description": "Wall 5 render",
+          "total_wall_area": 58.29,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Wall 2",
+          "u_value": 0.27,
+          "wall_type": 2,
+          "description": "Wall 2 common area",
+          "total_wall_area": 9.28,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Wall 3",
+          "u_value": 0.35,
+          "wall_type": 2,
+          "description": "Wall 3 lift shaft",
+          "total_wall_area": 8.9,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "overshading": 2,
+      "sap_openings": [
+        {
+          "name": 1,
+          "type": 1,
+          "width": 0.91,
+          "height": 2.1,
+          "location": "Wall 2",
+          "orientation": 0
+        },
+        {
+          "name": 2,
+          "type": 2,
+          "width": 1.15,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": 3,
+          "type": 2,
+          "width": 0.9,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 7
+        },
+        {
+          "name": 4,
+          "type": 2,
+          "width": 1.3,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": 5,
+          "type": 2,
+          "width": 1.3,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 5
+        },
+        {
+          "name": 6,
+          "type": 2,
+          "width": 1.15,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": 7,
+          "type": 2,
+          "width": 0.55,
+          "height": 1.05,
+          "location": "Wall 1",
+          "orientation": 4
+        },
+        {
+          "name": 8,
+          "type": 2,
+          "width": 1.15,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 4
+        },
+        {
+          "name": 9,
+          "type": 2,
+          "width": 1.15,
+          "height": 1.4,
+          "location": "Wall 1",
+          "orientation": 4
+        },
+        {
+          "name": 10,
+          "type": 2,
+          "width": 1.3,
+          "height": 1.05,
+          "location": "Wall 1",
+          "orientation": 4
+        }
+      ],
+      "construction_year": 2011,
+      "sap_thermal_bridges": {
+        "thermal_bridge_code": 4,
+        "user_defined_y_value": 0.08,
+        "calculation_reference": "SAP 2005 record"
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 1,
+          "u_value": 0.25,
+          "floor_type": 4,
+          "description": "Floor 2",
+          "storey_height": 2.32,
+          "heat_loss_area": 5.19,
+          "total_floor_area": 79.9
+        }
+      ],
+      "thermal_mass_parameter": 250
+    }
+  ],
+  "bedf_revision_number": 329,
+  "heating_cost_current": 213,
+  "co2_emissions_current": 1.3,
+  "energy_rating_average": 60,
+  "energy_rating_current": 82,
+  "lighting_cost_current": 66,
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": 215,
+  "hot_water_cost_current": 94,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": 18,
+      "indicative_cost": "£8",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 1,
+      "energy_performance_rating": 83,
+      "environmental_impact_rating": 87
+    }
+  ],
+  "co2_emissions_potential": 1.3,
+  "energy_rating_potential": 83,
+  "lighting_cost_potential": 46,
+  "hot_water_cost_potential": 94,
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 1780,
+      "water_heating": 2306
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 87,
+  "has_fixed_air_conditioning": "false",
+  "calculation_software_version": 5.4,
+  "energy_consumption_potential": 82,
+  "environmental_impact_current": 86,
+  "current_energy_efficiency_band": "B",
+  "environmental_impact_potential": 87,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "B",
+  "co2_emissions_current_per_floor_area": 16
+}

backend/epc_api/json_samples/SAP-Schema-16.1/rdsap.json

@@ -0,0 +1,400 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Pitched, 300+ mm loft insulation",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Cavity wall, filled cavity",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": "System built, as built, no insulation (assumed)",
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 1
+    },
+    {
+      "description": "Solid brick, as built, no insulation (assumed)",
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 1
+    }
+  ],
+  "floors": [
+    {
+      "description": "Suspended, no insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 2,
+  "windows": [
+    {
+      "description": "Fully double glazed",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    }
+  ],
+  "addendum": {
+    "system_build": "true"
+  },
+  "lighting": {
+    "description": "Low energy lighting in 36% of fixed outlets",
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "postcode": "AA1 1AA",
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 4,
+  "door_count": 2,
+  "glazed_area": 1,
+  "region_code": 14,
+  "report_type": 2,
+  "sap_heating": {
+    "wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "cylinder_size": 2,
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "cylinder_thermostat": "Y",
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "Y",
+        "heat_emitter_type": 1,
+        "main_heating_number": 1,
+        "main_heating_control": 2103,
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "sap_main_heating_code": 101,
+        "main_heating_data_source": 2
+      }
+    ],
+    "cylinder_insulation_type": 1,
+    "has_fixed_air_conditioning": "false",
+    "cylinder_insulation_thickness": 38
+  },
+  "sap_version": 9.91,
+  "schema_type": "SAP-Schema-16.1",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "15, What the Dickens Road",
+  "schema_version": "LIG-16.1",
+  "assessment_type": "RdSAP",
+  "completion_date": "2013-01-13",
+  "inspection_date": "2013-01-09",
+  "extensions_count": 1,
+  "measurement_type": 1,
+  "total_floor_area": 72,
+  "transaction_type": 8,
+  "conservatory_type": 1,
+  "heated_room_count": 5,
+  "registration_date": "2013-01-13",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "main_gas": "Y",
+    "meter_type": 2,
+    "photovoltaic_supply": {
+      "percent_roof_area": 0
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 1
+  },
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 300,
+      "floor_heat_loss": 7,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_alternative_wall": {
+        "wall_area": 18.9,
+        "wall_dry_lined": "N",
+        "wall_construction": 3,
+        "wall_insulation_type": 4,
+        "wall_thickness_measured": "N"
+      },
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 2.43,
+          "floor_insulation": 1,
+          "total_floor_area": 34.2,
+          "floor_construction": 2,
+          "heat_loss_perimeter": 14.9
+        },
+        {
+          "floor": 1,
+          "room_height": 2.47,
+          "total_floor_area": 34.2,
+          "heat_loss_perimeter": 9.84
+        }
+      ],
+      "wall_insulation_type": 2,
+      "construction_age_band": "C",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "300mm+"
+    },
+    {
+      "identifier": "Extension 1",
+      "wall_dry_lined": "N",
+      "wall_thickness": 200,
+      "floor_heat_loss": 7,
+      "roof_construction": 1,
+      "wall_construction": 8,
+      "building_part_number": 2,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 2.26,
+          "floor_insulation": 0,
+          "total_floor_area": 3.5,
+          "floor_construction": 0,
+          "heat_loss_perimeter": 5.7
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "E",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 4,
+      "roof_insulation_thickness": "NI"
+    }
+  ],
+  "low_energy_lighting": 36,
+  "solar_water_heating": "N",
+  "bedf_revision_number": 333,
+  "habitable_room_count": 5,
+  "heating_cost_current": {
+    "value": 546,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 3.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 61,
+  "lighting_cost_current": {
+    "value": 69,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Room thermostat only",
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "multiple_glazing_type": 3,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 378,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 127,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 66,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £14,000",
+      "improvement_type": "Q",
+      "improvement_details": {
+        "improvement_number": 7
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 65,
+      "environmental_impact_rating": 63
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 36,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£800 - £1,200",
+      "improvement_type": "W",
+      "improvement_details": {
+        "improvement_number": 47
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 67,
+      "environmental_impact_rating": 66
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 23,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£35",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 68,
+      "environmental_impact_rating": 67
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 21,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£350 - £450",
+      "improvement_type": "G",
+      "improvement_details": {
+        "improvement_number": 15
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 69,
+      "environmental_impact_rating": 68
+    },
+    {
+      "sequence": 5,
+      "typical_saving": {
+        "value": 75,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£2,200 - £3,000",
+      "improvement_type": "I",
+      "improvement_details": {
+        "improvement_number": 20
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 73,
+      "environmental_impact_rating": 73
+    },
+    {
+      "sequence": 6,
+      "typical_saving": {
+        "value": 34,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 76
+    },
+    {
+      "sequence": 7,
+      "typical_saving": {
+        "value": 247,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£9,000 - £14,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 85,
+      "environmental_impact_rating": 86
+    }
+  ],
+  "co2_emissions_potential": 1.0,
+  "energy_rating_potential": 85,
+  "lighting_cost_potential": {
+    "value": 42,
+    "currency": "GBP"
+  },
+  "alternative_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 57,
+        "currency": "GBP"
+      },
+      "improvement_type": "Z1",
+      "improvement_details": {
+        "improvement_number": 51
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 72,
+      "environmental_impact_rating": 74
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 85,
+        "currency": "GBP"
+      },
+      "improvement_type": "Z3",
+      "improvement_details": {
+        "improvement_number": 53
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 73,
+      "environmental_impact_rating": 72
+    }
+  ],
+  "hot_water_cost_potential": {
+    "value": 68,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 2530,
+    "space_heating_existing_dwelling": 8564
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 244,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": "6.2.0.6",
+  "energy_consumption_potential": 66,
+  "environmental_impact_current": 59,
+  "fixed_lighting_outlets_count": 11,
+  "current_energy_efficiency_band": "D",
+  "environmental_impact_potential": 86,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "B",
+  "co2_emissions_current_per_floor_area": 47,
+  "low_energy_fixed_lighting_outlets_count": 4
+}

backend/epc_api/json_samples/SAP-Schema-16.1/sap.json

@@ -0,0 +1,365 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.15 W/m²K",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.30 W/m²K",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.18 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "windows": {
+    "description": "Fully double glazed",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "lighting": {
+    "description": "Low energy lighting in 33% of fixed outlets",
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "postcode": "AA1 1AA",
+  "data_type": 2,
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 4,
+  "living_area": 12.04,
+  "orientation": 0,
+  "region_code": 15,
+  "report_type": 3,
+  "sap_heating": {
+    "thermal_store": 1,
+    "has_solar_panel": "false",
+    "water_fuel_type": 1,
+    "water_heating_code": 901,
+    "main_heating_details": [
+      {
+        "main_fuel_type": 1,
+        "heat_emitter_type": 1,
+        "boiler_index_number": 9901,
+        "is_flue_fan_present": "true",
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "is_interlocked_system": "true",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "main_heating_data_source": 1,
+        "has_delayed_start_thermostat": "false",
+        "load_or_weather_compensation": 0,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "false",
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1
+  },
+  "sap_version": 9.9,
+  "schema_type": "SAP-Schema-16.1",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "air_tightness": {
+    "description": "Air permeability 7.7 m³/h.m² (as tested)",
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 3
+  },
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "28, Place Drive",
+  "schema_version": "LIG-16.0",
+  "assessment_date": "2013-01-12",
+  "assessment_type": "SAP",
+  "completion_date": "2013-01-12",
+  "inspection_date": "2013-01-12",
+  "sap_ventilation": {
+    "psv_count": 0,
+    "pressure_test": 1,
+    "air_permeability": 7.7,
+    "open_flues_count": 0,
+    "ventilation_type": 1,
+    "extract_fans_count": 3,
+    "open_fireplaces_count": 0,
+    "sheltered_sides_count": 2,
+    "flueless_gas_fires_count": 0
+  },
+  "total_floor_area": 59,
+  "transaction_type": 6,
+  "conservatory_type": 1,
+  "registration_date": "2013-01-12",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "electricity_tariff": 1,
+    "wind_turbines_count": 0,
+    "wind_turbine_terrain_type": 2,
+    "fixed_lighting_outlets_count": 9,
+    "low_energy_fixed_lighting_outlets_count": 3,
+    "low_energy_fixed_lighting_outlets_percentage": 33
+  },
+  "sap_opening_types": [
+    {
+      "name": 1,
+      "type": 1,
+      "u_value": 1.57,
+      "data_source": 2,
+      "glazing_type": 1
+    },
+    {
+      "name": 2,
+      "type": 4,
+      "u_value": 1.9,
+      "frame_type": 2,
+      "data_source": 3,
+      "glazing_gap": 3,
+      "frame_factor": 0.7,
+      "glazing_type": 6,
+      "isargonfilled": "false",
+      "solar_transmittance": 0.63
+    },
+    {
+      "name": 4,
+      "type": 2,
+      "u_value": 1.9,
+      "data_source": 2,
+      "glazing_type": 6
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof 1",
+          "u_value": 0.15,
+          "roof_type": 2,
+          "description": "Roof 1",
+          "total_roof_area": 29.25
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "Wall 1",
+          "u_value": 0.3,
+          "wall_type": 2,
+          "description": "Wall 1",
+          "total_wall_area": 38.69,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Wall 2",
+          "u_value": 0.3,
+          "wall_type": 2,
+          "description": "High step",
+          "total_wall_area": 2.25,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Wall 3",
+          "u_value": 0.3,
+          "wall_type": 2,
+          "description": "low step",
+          "total_wall_area": 2.25,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "overshading": 2,
+      "sap_openings": [
+        {
+          "name": 1,
+          "type": 1,
+          "width": 0.93,
+          "height": 2.1,
+          "location": "Wall 1",
+          "orientation": 0
+        },
+        {
+          "name": 2,
+          "type": 2,
+          "width": 1.77,
+          "height": 1.35,
+          "location": "Wall 1",
+          "orientation": 1
+        },
+        {
+          "name": 3,
+          "type": 2,
+          "width": 1.2,
+          "height": 1.05,
+          "location": "Wall 1",
+          "orientation": 1
+        },
+        {
+          "name": 4,
+          "type": 4,
+          "width": 0.93,
+          "height": 2.1,
+          "location": "Wall 1",
+          "orientation": 0
+        },
+        {
+          "name": 5,
+          "type": 2,
+          "width": 1.2,
+          "height": 1.05,
+          "location": "Wall 1",
+          "orientation": 5
+        },
+        {
+          "name": 6,
+          "type": 2,
+          "width": 1.77,
+          "height": 1.05,
+          "location": "Wall 1",
+          "orientation": 5
+        }
+      ],
+      "construction_year": 2012,
+      "sap_thermal_bridges": {
+        "thermal_bridge_code": 4,
+        "user_defined_y_value": 0.08,
+        "calculation_reference": "ACDs"
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 0,
+          "u_value": 0.18,
+          "floor_type": 2,
+          "description": "Floor 1",
+          "storey_height": 2.37,
+          "heat_loss_area": 29.25,
+          "total_floor_area": 29.25
+        },
+        {
+          "storey": 1,
+          "u_value": 0,
+          "floor_type": 3,
+          "storey_height": 2.59,
+          "heat_loss_area": 0,
+          "total_floor_area": 29.25
+        }
+      ],
+      "thermal_mass_parameter": 250
+    }
+  ],
+  "bedf_revision_number": 333,
+  "heating_cost_current": 236,
+  "co2_emissions_current": 1.3,
+  "energy_rating_average": 60,
+  "energy_rating_current": 79,
+  "lighting_cost_current": 66,
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "has_hot_water_cylinder": "false",
+  "heating_cost_potential": 240,
+  "hot_water_cost_current": 76,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": 23,
+      "indicative_cost": "£15",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 1,
+      "energy_performance_rating": 80,
+      "environmental_impact_rating": 84
+    },
+    {
+      "sequence": 2,
+      "typical_saving": 25,
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 3,
+      "energy_performance_rating": 81,
+      "environmental_impact_rating": 86
+    },
+    {
+      "sequence": 3,
+      "typical_saving": 226,
+      "indicative_cost": "£11,000 - £20,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 3,
+      "energy_performance_rating": 94,
+      "environmental_impact_rating": 98
+    },
+    {
+      "sequence": 4,
+      "typical_saving": 19,
+      "indicative_cost": "£1,500 - £4,000",
+      "improvement_type": "V",
+      "improvement_details": {
+        "improvement_number": 44
+      },
+      "improvement_category": 3,
+      "energy_performance_rating": 95,
+      "environmental_impact_rating": 99
+    }
+  ],
+  "co2_emissions_potential": 1.2,
+  "energy_rating_potential": 80,
+  "lighting_cost_potential": 39,
+  "hot_water_cost_potential": 76,
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 1867,
+      "water_heating": 1839
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 119,
+  "has_fixed_air_conditioning": "false",
+  "calculation_software_version": 5.4,
+  "energy_consumption_potential": 110,
+  "environmental_impact_current": 83,
+  "current_energy_efficiency_band": "C",
+  "environmental_impact_potential": 84,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 22
+}

backend/epc_api/json_samples/SAP-Schema-16.2/rdsap.json

@@ -0,0 +1,931 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Pitched, 75 mm loft insulation",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    }
+  ],
+  "walls": [
+    {
+      "description": "Cavity wall, as built, no insulation (assumed)",
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    },
+    {
+      "description": "Cavity wall, as built, insulated (assumed)",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Suspended, no insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    },
+    {
+      "description": "To unheated space, limited insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "windows": [
+    {
+      "description": "Partial double glazing",
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "addendum": {
+    "cavity_fill_recommended": "true"
+  },
+  "lighting": {
+    "description": "Low energy lighting in 13% of fixed outlets",
+    "energy_efficiency_rating": 2,
+    "environmental_efficiency_rating": 2
+  },
+  "postcode": "AA1 1AA",
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 1,
+  "door_count": 4,
+  "glazed_area": 4,
+  "region_code": 3,
+  "report_type": 2,
+  "sap_heating": {
+    "wwhrs": {
+      "rooms_with_bath_and_or_shower": 3,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 3
+    },
+    "cylinder_size": 4,
+    "water_heating_code": 901,
+    "water_heating_fuel": 26,
+    "cylinder_thermostat": "Y",
+    "secondary_fuel_type": 33,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "N",
+        "heat_emitter_type": 1,
+        "main_heating_number": 1,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 0.5,
+        "sap_main_heating_code": 101,
+        "main_heating_data_source": 2
+      },
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 26,
+        "boiler_flue_type": 2,
+        "fan_flue_present": "Y",
+        "heat_emitter_type": 1,
+        "main_heating_number": 2,
+        "main_heating_control": 2106,
+        "main_heating_category": 2,
+        "main_heating_fraction": 0.5,
+        "sap_main_heating_code": 101,
+        "main_heating_data_source": 2
+      }
+    ],
+    "secondary_heating_type": 631,
+    "cylinder_insulation_type": 1,
+    "has_fixed_air_conditioning": "false",
+    "cylinder_insulation_thickness": 50
+  },
+  "sap_version": 9.91,
+  "sap_windows": [
+    {
+      "u_value": 3.1,
+      "data_source": 2,
+      "orientation": 7,
+      "window_area": 1,
+      "window_type": 1,
+      "glazing_type": 3,
+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
+    {
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+      "window_area": 1,
+      "window_type": 1,
+      "glazing_type": 3,
+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
+    {
+      "u_value": 3.1,
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+      "window_area": 1,
+      "window_type": 1,
+      "glazing_type": 3,
+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
+    {
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+      "orientation": 7,
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+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
+    {
+      "u_value": 3.1,
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+      "orientation": 1,
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+      "glazing_type": 3,
+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
+    {
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+      "data_source": 2,
+      "orientation": 1,
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+      "window_type": 1,
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+      "window_location": 0,
+      "solar_transmittance": 0.76
+    },
+    {
+      "u_value": 3.1,
+      "data_source": 2,
+      "orientation": 3,
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+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
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+      "window_location": 2,
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+    },
+    {
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+      "window_area": 1,
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+      "solar_transmittance": 0.76
+    },
+    {
+      "u_value": 3.1,
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+      "orientation": 3,
+      "window_area": 1,
+      "window_type": 1,
+      "glazing_type": 3,
+      "window_location": 2,
+      "solar_transmittance": 0.76
+    },
+    {
+      "u_value": 4.8,
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+    },
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+    },
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+    },
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+    }
+  ],
+  "schema_type": "SAP-Schema-16.2",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    },
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "dwelling_type": "Detached house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "11, Some Close",
+  "address_line_2": "Long Itchington",
+  "schema_version": "LIG-16.1",
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+  "completion_date": "2013-07-12",
+  "inspection_date": "2013-06-27",
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+  "measurement_type": 1,
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+  "transaction_type": 5,
+  "conservatory_type": 2,
+  "heated_room_count": 15,
+  "registration_date": "2013-07-12",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "main_gas": "Y",
+    "meter_type": 1,
+    "photovoltaic_supply": {
+      "percent_roof_area": 0
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 3
+  },
+  "secondary_heating": {
+    "description": "Room heaters, coal",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
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+      "floor_heat_loss": 7,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 2.52,
+          "floor_insulation": 1,
+          "total_floor_area": 668.41,
+          "floor_construction": 2,
+          "heat_loss_perimeter": 96.43
+        },
+        {
+          "floor": 1,
+          "room_height": 2.87,
+          "total_floor_area": 691.43,
+          "heat_loss_perimeter": 106.57
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "C",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "75mm"
+    },
+    {
+      "identifier": "Extension 1",
+      "wall_dry_lined": "N",
+      "wall_thickness": 500,
+      "floor_heat_loss": 7,
+      "roof_construction": 5,
+      "wall_construction": 4,
+      "building_part_number": 2,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 2.54,
+          "floor_insulation": 1,
+          "total_floor_area": 82.03,
+          "floor_construction": 1,
+          "heat_loss_perimeter": 34.27
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "H",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "75mm"
+    },
+    {
+      "identifier": "Extension 2",
+      "wall_dry_lined": "N",
+      "wall_thickness": 280,
+      "floor_heat_loss": 2,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 3,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
+          "room_height": 3.21,
+          "floor_insulation": 1,
+          "total_floor_area": 121.31,
+          "floor_construction": 2,
+          "heat_loss_perimeter": 37.71
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "H",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "75mm"
+    }
+  ],
+  "low_energy_lighting": 13,
+  "solar_water_heating": "N",
+  "bedf_revision_number": 340,
+  "habitable_room_count": 15,
+  "heating_cost_current": {
+    "value": 13144,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 78,
+  "energy_rating_average": 60,
+  "energy_rating_current": 52,
+  "lighting_cost_current": {
+    "value": 635,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "multiple_glazing_type": "ND",
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 8582,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 188,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 2,
+  "percent_draughtproofed": 0,
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+      "sequence": 1,
+      "typical_saving": {
+        "value": 637.67,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£100  -  £350",
+      "improvement_type": "A",
+      "improvement_details": {
+        "improvement_number": 5
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 55,
+      "environmental_impact_rating": 42
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 1224.21,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£500  -  £1,500",
+      "improvement_type": "B",
+      "improvement_details": {
+        "improvement_number": 6
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 59,
+      "environmental_impact_rating": 46
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 476.28,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£800  -  £1,200",
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+      "improvement_details": {
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+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 60,
+      "environmental_impact_rating": 48
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 787.42,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£80  -  £120",
+      "improvement_type": "D",
+      "improvement_details": {
+        "improvement_number": 10
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 63,
+      "environmental_impact_rating": 51
+    },
+    {
+      "sequence": 5,
+      "typical_saving": {
+        "value": 234.75,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£305",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 64,
+      "environmental_impact_rating": 51
+    },
+    {
+      "sequence": 6,
+      "typical_saving": {
+        "value": 1219.36,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£2,200  -  £3,000",
+      "improvement_type": "I",
+      "improvement_details": {
+        "improvement_number": 20
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 68,
+      "environmental_impact_rating": 56
+    },
+    {
+      "sequence": 7,
+      "typical_saving": {
+        "value": 310.6,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£3,300  -  £6,500",
+      "improvement_type": "O",
+      "improvement_details": {
+        "improvement_number": 8
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 69,
+      "environmental_impact_rating": 58
+    }
+  ],
+  "co2_emissions_potential": 51,
+  "energy_rating_potential": 69,
+  "lighting_cost_potential": {
+    "value": 344,
+    "currency": "GBP"
+  },
+  "hot_water_cost_potential": {
+    "value": 151,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 3640,
+    "impact_of_loft_insulation": -12585,
+    "impact_of_cavity_insulation": -21982,
+    "space_heating_existing_dwelling": 207769
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 239,
+  "has_fixed_air_conditioning": "false",
+  "calculation_software_version": "1.4.1.0",
+  "energy_consumption_potential": 153,
+  "environmental_impact_current": 40,
+  "fixed_lighting_outlets_count": 70,
+  "current_energy_efficiency_band": "E",
+  "environmental_impact_potential": 58,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 50,
+  "low_energy_fixed_lighting_outlets_count": 9
+}

backend/epc_api/json_samples/SAP-Schema-16.3/rdsap.json

@@ -0,0 +1,371 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Pitched, 200 mm loft insulation",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "walls": [
+    {
+      "description": "Cavity wall, as built, insulated (assumed)",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "floors": [
+    {
+      "description": "Suspended, no insulation (assumed)",
+      "energy_efficiency_rating": 0,
+      "environmental_efficiency_rating": 0
+    }
+  ],
+  "status": "entered",
+  "tenure": 2,
+  "windows": [
+    {
+      "description": "Fully double glazed",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 3
+    }
+  ],
+  "lighting": {
+    "description": "Low energy lighting in 71% of fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "AA1 1AA",
+  "hot_water": {
+    "description": "Electric immersion, off-peak",
+    "energy_efficiency_rating": 3,
+    "environmental_efficiency_rating": 1
+  },
+  "post_town": "Town",
+  "built_form": 2,
+  "door_count": 2,
+  "glazed_area": 1,
+  "region_code": 6,
+  "report_type": 2,
+  "sap_heating": {
+    "wwhrs": {
+      "rooms_with_bath_and_or_shower": 1,
+      "rooms_with_mixer_shower_no_bath": 0,
+      "rooms_with_bath_and_mixer_shower": 0
+    },
+    "cylinder_size": 4,
+    "water_heating_code": 903,
+    "water_heating_fuel": 29,
+    "secondary_fuel_type": 29,
+    "main_heating_details": [
+      {
+        "has_fghrs": "N",
+        "main_fuel_type": 29,
+        "heat_emitter_type": 0,
+        "main_heating_number": 1,
+        "main_heating_control": 2401,
+        "main_heating_category": 7,
+        "main_heating_fraction": 1,
+        "sap_main_heating_code": 401,
+        "main_heating_data_source": 2
+      }
+    ],
+    "immersion_heating_type": 1,
+    "secondary_heating_type": 691,
+    "cylinder_insulation_type": 2,
+    "has_fixed_air_conditioning": "false",
+    "cylinder_insulation_thickness": 25
+  },
+  "sap_version": 9.91,
+  "schema_type": "SAP-Schema-16.3",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Electric storage heaters",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 1
+    }
+  ],
+  "dwelling_type": "Semi-detached house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "11, Some Close",
+  "address_line_2": "Long Itchington",
+  "schema_version": "LIG-16.1",
+  "assessment_type": "RdSAP",
+  "completion_date": "2014-12-06",
+  "inspection_date": "2014-12-05",
+  "extensions_count": 0,
+  "measurement_type": 1,
+  "total_floor_area": 70,
+  "transaction_type": 8,
+  "conservatory_type": 1,
+  "heated_room_count": 3,
+  "registration_date": "2014-12-06",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "main_gas": "N",
+    "meter_type": 1,
+    "photovoltaic_supply": {
+      "percent_roof_area": 0
+    },
+    "wind_turbines_count": 0,
+    "wind_turbines_terrain_type": 2
+  },
+  "secondary_heating": {
+    "description": "Room heaters, electric",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "identifier": "Main Dwelling",
+      "wall_dry_lined": "N",
+      "wall_thickness": 270,
+      "floor_heat_loss": 7,
+      "roof_construction": 4,
+      "wall_construction": 4,
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "floor": 0,
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+          "floor_insulation": 1,
+          "total_floor_area": 35.159,
+          "floor_construction": 3,
+          "heat_loss_perimeter": 16.837
+        },
+        {
+          "floor": 1,
+          "room_height": 2.3,
+          "total_floor_area": 35.159,
+          "heat_loss_perimeter": 16.837
+        }
+      ],
+      "wall_insulation_type": 4,
+      "construction_age_band": "H",
+      "wall_thickness_measured": "Y",
+      "roof_insulation_location": 2,
+      "roof_insulation_thickness": "200mm"
+    }
+  ],
+  "low_energy_lighting": 71,
+  "solar_water_heating": "N",
+  "bedf_revision_number": 370,
+  "habitable_room_count": 3,
+  "heating_cost_current": {
+    "value": 611,
+    "currency": "GBP"
+  },
+  "insulated_door_count": 0,
+  "co2_emissions_current": 5.9,
+  "energy_rating_average": 60,
+  "energy_rating_current": 59,
+  "lighting_cost_current": {
+    "value": 65,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Manual charge control",
+      "energy_efficiency_rating": 2,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "multiple_glazing_type": 1,
+  "open_fireplaces_count": 0,
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 471,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 226,
+    "currency": "GBP"
+  },
+  "mechanical_ventilation": 0,
+  "percent_draughtproofed": 100,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£800 - £1,200",
+      "improvement_type": "W",
+      "improvement_details": {
+        "improvement_number": 47
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 63,
+      "environmental_impact_rating": 41
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 35,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£15 - £30",
+      "improvement_type": "C",
+      "improvement_details": {
+        "improvement_number": 2
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 65,
+      "environmental_impact_rating": 43
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 11,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£10",
+      "improvement_type": "E",
+      "improvement_details": {
+        "improvement_number": 35
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 65,
+      "environmental_impact_rating": 44
+    },
+    {
+      "sequence": 4,
+      "typical_saving": {
+        "value": 100,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£900 - £1,200",
+      "improvement_type": "L",
+      "improvement_details": {
+        "improvement_number": 25
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 69,
+      "environmental_impact_rating": 47
+    },
+    {
+      "sequence": 5,
+      "typical_saving": {
+        "value": 44,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 71,
+      "environmental_impact_rating": 52
+    },
+    {
+      "sequence": 6,
+      "typical_saving": {
+        "value": 261,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£9,000 - £14,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 83,
+      "environmental_impact_rating": 62
+    },
+    {
+      "sequence": 7,
+      "typical_saving": {
+        "value": 22,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£1,500 - £4,000",
+      "improvement_type": "V",
+      "improvement_details": {
+        "improvement_number": 44
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 84,
+      "environmental_impact_rating": 63
+    }
+  ],
+  "co2_emissions_potential": 3.1,
+  "energy_rating_potential": 84,
+  "lighting_cost_potential": {
+    "value": 51,
+    "currency": "GBP"
+  },
+  "alternative_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 50,
+        "currency": "GBP"
+      },
+      "improvement_type": "J2",
+      "improvement_details": {
+        "improvement_number": 54
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 68,
+      "environmental_impact_rating": 88
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 178,
+        "currency": "GBP"
+      },
+      "improvement_type": "Z1",
+      "improvement_details": {
+        "improvement_number": 51
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 75,
+      "environmental_impact_rating": 76
+    },
+    {
+      "sequence": 3,
+      "typical_saving": {
+        "value": 179,
+        "currency": "GBP"
+      },
+      "improvement_type": "Z3",
+      "improvement_details": {
+        "improvement_number": 53
+      },
+      "improvement_category": 6,
+      "energy_performance_rating": 73,
+      "environmental_impact_rating": 72
+    }
+  ],
+  "hot_water_cost_potential": {
+    "value": 105,
+    "currency": "GBP"
+  },
+  "renewable_heat_incentive": {
+    "water_heating": 3424,
+    "space_heating_existing_dwelling": 7554
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 473,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_proportion": 100,
+  "calculation_software_version": 8.3,
+  "energy_consumption_potential": 247,
+  "environmental_impact_current": 37,
+  "fixed_lighting_outlets_count": 7,
+  "current_energy_efficiency_band": "D",
+  "environmental_impact_potential": 63,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "B",
+  "co2_emissions_current_per_floor_area": 84,
+  "low_energy_fixed_lighting_outlets_count": 5
+}

backend/epc_api/json_samples/SAP-Schema-16.3/sap.json

@@ -0,0 +1,456 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.12 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.28 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.17 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "lighting": {
+    "description": "Low energy lighting in all fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "AA1 1AA",
+  "data_type": 2,
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 4,
+  "living_area": 20.15,
+  "orientation": 7,
+  "region_code": 3,
+  "report_type": 3,
+  "sap_heating": {
+    "thermal_store": 1,
+    "has_solar_panel": "false",
+    "water_fuel_type": 1,
+    "water_heating_code": 901,
+    "hot_water_store_size": 180,
+    "main_heating_details": [
+      {
+        "burner_control": 3,
+        "main_fuel_type": 1,
+        "heat_emitter_type": 1,
+        "boiler_index_number": 16179,
+        "is_flue_fan_present": "true",
+        "main_heating_number": 1,
+        "main_heating_control": 2110,
+        "is_interlocked_system": "true",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "main_heating_flue_type": 2,
+        "main_heating_data_source": 1,
+        "has_delayed_start_thermostat": "true",
+        "load_or_weather_compensation": 2,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
+    "hot_water_store_heat_loss": 1.63,
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_cylinder_in_heated_space": "true",
+    "is_hot_water_separately_timed": "true",
+    "is_primary_pipework_insulated": "true",
+    "hot_water_store_heat_loss_source": 2
+  },
+  "sap_version": 9.9,
+  "schema_type": "SAP-Schema-16.3",
+  "uprn_source": "Energy Assessor",
+  "country_code": "EAW",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "air_tightness": {
+    "description": "Air permeability 3.9 m³/h.m² (assumed)",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "17, Street Terrace",
+  "schema_version": "LIG-16.0",
+  "assessment_date": "2014-04-04",
+  "assessment_type": "SAP",
+  "completion_date": "2014-04-04",
+  "inspection_date": "2014-04-04",
+  "sap_ventilation": {
+    "psv_count": 0,
+    "pressure_test": 1,
+    "air_permeability": 3.89,
+    "open_flues_count": 0,
+    "ventilation_type": 1,
+    "extract_fans_count": 3,
+    "open_fireplaces_count": 0,
+    "sheltered_sides_count": 2,
+    "flueless_gas_fires_count": 0
+  },
+  "design_water_use": 1,
+  "total_floor_area": 96,
+  "transaction_type": 6,
+  "conservatory_type": 1,
+  "registration_date": "2014-04-05",
+  "restricted_access": 0,
+  "sap_energy_source": {
+    "electricity_tariff": 1,
+    "wind_turbines_count": 0,
+    "wind_turbine_terrain_type": 1,
+    "fixed_lighting_outlets_count": 16,
+    "low_energy_fixed_lighting_outlets_count": 16,
+    "low_energy_fixed_lighting_outlets_percentage": 100
+  },
+  "sap_opening_types": [
+    {
+      "name": "Doors (1)",
+      "type": 1,
+      "u_value": 1.4,
+      "data_source": 3,
+      "glazing_type": 1
+    },
+    {
+      "name": "Doors (2)",
+      "type": 1,
+      "u_value": 1.5,
+      "data_source": 2,
+      "glazing_type": 1
+    },
+    {
+      "name": "Windows (1)",
+      "type": 4,
+      "u_value": 1.5,
+      "data_source": 2,
+      "frame_factor": 0.7,
+      "glazing_type": 6,
+      "solar_transmittance": 0.63
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof (1)",
+          "u_value": 0.11,
+          "roof_type": 2,
+          "description": "Pitched roof insulation at ceiling level",
+          "kappa_value": 8.75,
+          "total_roof_area": 41.96
+        },
+        {
+          "name": "Roof (2)",
+          "u_value": 0.2,
+          "roof_type": 2,
+          "description": "Flat roof - internal insulation",
+          "kappa_value": 8.75,
+          "total_roof_area": 4.69
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "Walls (1)",
+          "u_value": 0.29,
+          "wall_type": 2,
+          "description": "Masonry cavity wall",
+          "kappa_value": 46.25,
+          "total_wall_area": 26.5,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Walls (2)",
+          "u_value": 0.28,
+          "wall_type": 2,
+          "description": "Timber frame wall",
+          "kappa_value": 8.75,
+          "total_wall_area": 48,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Walls (3)",
+          "u_value": 0.22,
+          "wall_type": 3,
+          "description": "Insulated wall to garage",
+          "kappa_value": 8.75,
+          "total_wall_area": 7.29,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Party wall (1)",
+          "u_value": 0,
+          "wall_type": 4,
+          "kappa_value": 17.5,
+          "total_wall_area": 48.6
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "overshading": 2,
+      "sap_openings": [
+        {
+          "name": 1,
+          "type": "Doors (2)",
+          "width": 2.69,
+          "height": 2.1,
+          "location": "Walls (2)",
+          "orientation": 7
+        },
+        {
+          "name": 2,
+          "type": "Windows (1)",
+          "width": 0.46,
+          "height": 1.88,
+          "location": "Walls (2)",
+          "orientation": 7
+        },
+        {
+          "name": 3,
+          "type": "Windows (1)",
+          "width": 0.67,
+          "height": 0.9,
+          "location": "Walls (2)",
+          "orientation": 3
+        },
+        {
+          "name": 4,
+          "type": "Windows (1)",
+          "width": 0.46,
+          "height": 1.88,
+          "location": "Walls (2)",
+          "orientation": 7
+        },
+        {
+          "name": 5,
+          "type": "Windows (1)",
+          "width": 1.45,
+          "height": 1.35,
+          "location": "Walls (2)",
+          "orientation": 3
+        },
+        {
+          "name": 6,
+          "type": "Windows (1)",
+          "width": 1.45,
+          "height": 1.35,
+          "location": "Walls (2)",
+          "orientation": 3
+        },
+        {
+          "name": 7,
+          "type": "Doors (1)",
+          "width": 1.01,
+          "height": 2,
+          "location": "Walls (3)",
+          "orientation": 0
+        },
+        {
+          "name": 8,
+          "type": "Doors (2)",
+          "width": 1.74,
+          "height": 2.1,
+          "location": "Walls (2)",
+          "orientation": 7
+        },
+        {
+          "name": 9,
+          "type": "Doors (2)",
+          "width": 1.79,
+          "height": 2.1,
+          "location": "Walls (2)",
+          "orientation": 3
+        },
+        {
+          "name": 10,
+          "type": "Doors (1)",
+          "width": 1.01,
+          "height": 2.1,
+          "location": "Walls (1)",
+          "orientation": 0
+        }
+      ],
+      "construction_year": 2013,
+      "sap_thermal_bridges": {
+        "thermal_bridges": [
+          {
+            "length": 9.8,
+            "psi_value": 0.06,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 10
+          },
+          {
+            "length": 4.2,
+            "psi_value": 0.04,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 19
+          },
+          {
+            "length": 2.6,
+            "psi_value": 0.28,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 20
+          },
+          {
+            "length": 6,
+            "psi_value": 0.08,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 22
+          },
+          {
+            "length": 33.6,
+            "psi_value": 0,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 23
+          },
+          {
+            "length": 25.86,
+            "psi_value": 0.05,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 4
+          },
+          {
+            "length": 12.73,
+            "psi_value": 0.3,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 2
+          },
+          {
+            "length": 12.73,
+            "psi_value": 0.04,
+            "psi_value_source": 2,
+            "thermal_bridge_type": 3
+          }
+        ],
+        "thermal_bridge_code": 5
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 0,
+          "u_value": 0.16,
+          "floor_type": 2,
+          "kappa_value": 30,
+          "storey_height": 2.4,
+          "heat_loss_area": 11.8,
+          "total_floor_area": 11.72
+        },
+        {
+          "storey": 1,
+          "u_value": 0.17,
+          "floor_type": 3,
+          "kappa_value": 30,
+          "storey_height": 2.4,
+          "heat_loss_area": 24.68,
+          "total_floor_area": 41.95
+        },
+        {
+          "storey": 2,
+          "u_value": 0,
+          "floor_type": 4,
+          "kappa_value": 0,
+          "storey_height": 2.4,
+          "heat_loss_area": 0,
+          "total_floor_area": 41.95
+        }
+      ]
+    }
+  ],
+  "bedf_revision_number": 333,
+  "heating_cost_current": 260,
+  "co2_emissions_current": 1.5,
+  "energy_rating_average": 60,
+  "energy_rating_current": 83,
+  "lighting_cost_current": 64,
+  "main_heating_controls": [
+    {
+      "description": "Time and temperature zone control",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": 260,
+  "hot_water_cost_current": 93,
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": 37,
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 3,
+      "energy_performance_rating": 84,
+      "environmental_impact_rating": 88
+    },
+    {
+      "sequence": 2,
+      "typical_saving": 226,
+      "indicative_cost": "£11,000 - £20,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 3,
+      "energy_performance_rating": 94,
+      "environmental_impact_rating": 96
+    }
+  ],
+  "co2_emissions_potential": 1.5,
+  "energy_rating_potential": 83,
+  "lighting_cost_potential": 64,
+  "hot_water_cost_potential": 93,
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 3127,
+      "water_heating": 2230
+    }
+  },
+  "seller_commission_report": "N",
+  "energy_consumption_current": 85,
+  "has_fixed_air_conditioning": "false",
+  "calculation_software_version": 3.59,
+  "energy_consumption_potential": 85,
+  "environmental_impact_current": 85,
+  "current_energy_efficiency_band": "B",
+  "environmental_impact_potential": 85,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "B",
+  "co2_emissions_current_per_floor_area": 16
+}

backend/epc_api/json_samples/SAP-Schema-17.0/epc.json

@@ -0,0 +1,375 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.14 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.28 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.19 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "tenure": "ND",
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "lighting": {
+    "description": "Low energy lighting in all fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "PT34 5BG",
+  "data_type": 2,
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "POSTTOWN",
+  "built_form": 1,
+  "living_area": 18.13,
+  "orientation": 1,
+  "region_code": 6,
+  "report_type": 3,
+  "sap_heating": {
+    "thermal_store": 1,
+    "water_fuel_type": 1,
+    "water_heating_code": 901,
+    "hot_water_store_size": 180,
+    "main_heating_details": [
+      {
+        "main_fuel_type": 1,
+        "heat_emitter_type": 1,
+        "emitter_temperature": 1,
+        "is_flue_fan_present": "true",
+        "main_heating_number": 1,
+        "main_heating_control": 2110,
+        "is_interlocked_system": "true",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "main_heating_flue_type": 2,
+        "central_heating_pump_age": 2,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 10321,
+        "has_separate_delayed_start": "false",
+        "load_or_weather_compensation": 0,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
+    "hot_water_store_heat_loss": 1.48,
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_cylinder_in_heated_space": "true",
+    "primary_pipework_insulation": 4,
+    "is_hot_water_separately_timed": "true",
+    "hot_water_store_heat_loss_source": 2
+  },
+  "sap_version": 9.92,
+  "schema_type": "SAP-Schema-17.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "air_tightness": {
+    "description": "Air permeability 4.9 m³/h.m² (as tested)",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "dwelling_type": "Detached house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "2, Place Park",
+  "address_line_2": "Central District",
+  "assessment_date": "2013-07-08",
+  "assessment_type": "SAP",
+  "completion_date": "2015-06-30",
+  "inspection_date": "2015-06-30",
+  "sap_ventilation": {
+    "psv_count": 0,
+    "pressure_test": 1,
+    "air_permeability": 4.94,
+    "open_flues_count": 0,
+    "ventilation_type": 1,
+    "extract_fans_count": 5,
+    "open_fireplaces_count": 0,
+    "sheltered_sides_count": 2,
+    "flueless_gas_fires_count": 0
+  },
+  "sap_data_version": 9.9,
+  "sap_flat_details": {
+    "level": 1
+  },
+  "total_floor_area": 139,
+  "transaction_type": 6,
+  "conservatory_type": 1,
+  "registration_date": "2015-06-30",
+  "sap_energy_source": {
+    "electricity_tariff": 1,
+    "wind_turbines_count": 0,
+    "wind_turbine_terrain_type": 1,
+    "fixed_lighting_outlets_count": 20,
+    "low_energy_fixed_lighting_outlets_count": 20,
+    "low_energy_fixed_lighting_outlets_percentage": 100
+  },
+  "sap_opening_types": [
+    {
+      "name": "Opening Type 1",
+      "type": 4,
+      "u_value": 1.5,
+      "data_source": 2,
+      "frame_factor": 0.7,
+      "glazing_type": 3,
+      "solar_transmittance": 0.76
+    },
+    {
+      "name": "Opening Type 2",
+      "type": 5,
+      "u_value": 1.5,
+      "data_source": 2,
+      "frame_factor": 0.7,
+      "glazing_type": 3,
+      "solar_transmittance": 0.76
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    10
+  ],
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof 1",
+          "u_value": 0.14,
+          "roof_type": 2,
+          "description": "External Roof 1",
+          "total_roof_area": 69.63
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "External Wall 1",
+          "u_value": 0.28,
+          "wall_type": 2,
+          "description": "External Wall 1",
+          "total_wall_area": 197.76,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "overshading": 2,
+      "sap_openings": [
+        {
+          "name": "Opening 1",
+          "type": "Opening Type 1",
+          "width": 7.47,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 1
+        },
+        {
+          "name": "Opening 2",
+          "type": "Opening Type 1",
+          "width": 6.88,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 5
+        },
+        {
+          "name": "Opening 3",
+          "type": "Opening Type 1",
+          "width": 5.44,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 7
+        },
+        {
+          "name": "Opening 4",
+          "type": "Opening Type 1",
+          "width": 6.88,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 3
+        },
+        {
+          "name": "Opening 5",
+          "type": "Opening Type 2",
+          "pitch": 35,
+          "width": 1.77,
+          "height": 1,
+          "location": "Roof 1",
+          "orientation": 7
+        },
+        {
+          "name": "Opening 6",
+          "type": "Opening Type 2",
+          "pitch": 35,
+          "width": 0.59,
+          "height": 1,
+          "location": "Roof 1",
+          "orientation": 3
+        }
+      ],
+      "construction_year": 2013,
+      "sap_thermal_bridges": {
+        "thermal_bridges": [
+          {
+            "length": 41.2,
+            "psi_value": 0.32,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "E5"
+          },
+          {
+            "length": 41.2,
+            "psi_value": 0.14,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "E6"
+          },
+          {
+            "length": 19.2,
+            "psi_value": 0.18,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "E16"
+          }
+        ],
+        "thermal_bridge_code": 5
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 0,
+          "u_value": 0.19,
+          "floor_type": 2,
+          "description": "Heat Loss Floor 1",
+          "storey_height": 2.4,
+          "heat_loss_area": 69.63,
+          "total_floor_area": 69.63
+        },
+        {
+          "storey": 1,
+          "u_value": 0,
+          "floor_type": 3,
+          "storey_height": 2.4,
+          "heat_loss_area": 0,
+          "total_floor_area": 69.63
+        }
+      ],
+      "thermal_mass_parameter": 100
+    }
+  ],
+  "heating_cost_current": {
+    "value": 378,
+    "currency": "GBP"
+  },
+  "co2_emissions_current": 2.2,
+  "energy_rating_average": 60,
+  "energy_rating_current": 84,
+  "lighting_cost_current": {
+    "value": 73,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Time and temperature zone control",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 379,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 114,
+    "currency": "GBP"
+  },
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 52,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 85,
+      "environmental_impact_rating": 86
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 275,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£5,000 - £8,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 92,
+      "environmental_impact_rating": 92
+    }
+  ],
+  "co2_emissions_potential": 1.0,
+  "energy_rating_potential": 92,
+  "lighting_cost_potential": {
+    "value": 73,
+    "currency": "GBP"
+  },
+  "schema_version_original": "LIG-17.0",
+  "hot_water_cost_potential": {
+    "value": 62,
+    "currency": "GBP"
+  },
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 5622,
+      "water_heating": 2279
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 91,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_percentage": 100,
+  "calculation_software_version": "4.03r03",
+  "energy_consumption_potential": 39,
+  "environmental_impact_current": 84,
+  "current_energy_efficiency_band": "B",
+  "environmental_impact_potential": 92,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "A",
+  "co2_emissions_current_per_floor_area": 16
+}

backend/epc_api/json_samples/SAP-Schema-17.1/epc.json

@@ -0,0 +1,562 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.11 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.27 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.14 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "tenure": "ND",
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "lighting": {
+    "description": "Low energy lighting in all fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "A1 1AA",
+  "data_type": 2,
+  "hot_water": {
+    "description": "From main system",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "post_town": "Town",
+  "built_form": 1,
+  "living_area": 20.36,
+  "orientation": 1,
+  "region_code": 6,
+  "report_type": 3,
+  "sap_heating": {
+    "thermal_store": 1,
+    "water_fuel_type": 1,
+    "water_heating_code": 901,
+    "hot_water_store_size": 180,
+    "main_heating_details": [
+      {
+        "main_fuel_type": 1,
+        "heat_emitter_type": 1,
+        "emitter_temperature": 1,
+        "is_flue_fan_present": "true",
+        "main_heating_number": 1,
+        "main_heating_control": 2110,
+        "is_interlocked_system": "true",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "main_heating_flue_type": 2,
+        "central_heating_pump_age": 2,
+        "main_heating_data_source": 1,
+        "main_heating_index_number": 18042,
+        "has_separate_delayed_start": "true",
+        "load_or_weather_compensation": 0,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
+    "hot_water_store_heat_loss": 1.2,
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_cylinder_in_heated_space": "true",
+    "primary_pipework_insulation": 4,
+    "is_hot_water_separately_timed": "true",
+    "hot_water_store_heat_loss_source": 2
+  },
+  "sap_version": 9.92,
+  "schema_type": "SAP-Schema-17.1",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, mains gas",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "air_tightness": {
+    "description": "Air permeability 4.9 m³/h.m² (as tested)",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 4
+  },
+  "dwelling_type": "Detached house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "47, Address Lane",
+  "address_line_2": "Long Itchington",
+  "assessment_date": "2020-08-17",
+  "assessment_type": "SAP",
+  "completion_date": "2020-08-17",
+  "inspection_date": "2020-08-17",
+  "sap_ventilation": {
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+    "pressure_test": 1,
+    "air_permeability": 4.94,
+    "open_flues_count": 0,
+    "ventilation_type": 1,
+    "extract_fans_count": 5,
+    "open_fireplaces_count": 0,
+    "sheltered_sides_count": 1,
+    "flueless_gas_fires_count": 0
+  },
+  "design_water_use": 1,
+  "sap_data_version": 9.92,
+  "sap_flat_details": {
+    "level": 1
+  },
+  "total_floor_area": 146,
+  "transaction_type": 6,
+  "conservatory_type": 1,
+  "registration_date": "2020-08-17",
+  "sap_energy_source": {
+    "electricity_tariff": 1,
+    "wind_turbines_count": 0,
+    "wind_turbine_terrain_type": 2,
+    "fixed_lighting_outlets_count": 14,
+    "low_energy_fixed_lighting_outlets_count": 14,
+    "low_energy_fixed_lighting_outlets_percentage": 100
+  },
+  "sap_opening_types": [
+    {
+      "name": "Opening Type 1",
+      "type": 2,
+      "u_value": 1.5,
+      "data_source": 2,
+      "glazing_type": 4
+    },
+    {
+      "name": "Opening Type 2",
+      "type": 4,
+      "u_value": 1.41,
+      "data_source": 2,
+      "frame_factor": 0.7,
+      "glazing_type": 4,
+      "solar_transmittance": 0.71
+    },
+    {
+      "name": "Opening Type 4",
+      "type": 4,
+      "u_value": 1.41,
+      "data_source": 2,
+      "frame_factor": 0.7,
+      "glazing_type": 4,
+      "solar_transmittance": 0.72
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof 1",
+          "u_value": 0.11,
+          "roof_type": 2,
+          "description": "400mm Mineral Wool",
+          "total_roof_area": 72.6
+        },
+        {
+          "name": "Roof 2",
+          "u_value": 0.17,
+          "roof_type": 2,
+          "description": "Flat Roof",
+          "total_roof_area": 1.07
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "External Wall 1",
+          "u_value": 0.27,
+          "wall_type": 2,
+          "description": "50mm A Platinum",
+          "total_wall_area": 186.21,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "overshading": 2,
+      "sap_openings": [
+        {
+          "name": "D1",
+          "type": "Opening Type 1",
+          "width": 1.01,
+          "height": 2.33,
+          "location": "External Wall 1",
+          "orientation": 0
+        },
+        {
+          "name": "D2",
+          "type": "Opening Type 2",
+          "width": 2.4,
+          "height": 2.1,
+          "location": "External Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": "D3",
+          "type": "Opening Type 2",
+          "width": 2.4,
+          "height": 2.1,
+          "location": "External Wall 1",
+          "orientation": 4
+        },
+        {
+          "name": "W1",
+          "type": "Opening Type 4",
+          "width": 1.14,
+          "height": 1.5,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "W1a",
+          "type": "Opening Type 4",
+          "width": 0.56,
+          "height": 1.5,
+          "location": "External Wall 1",
+          "orientation": 3
+        },
+        {
+          "name": "W1b",
+          "type": "Opening Type 4",
+          "width": 0.56,
+          "height": 1.5,
+          "location": "External Wall 1",
+          "orientation": 1
+        },
+        {
+          "name": "W2",
+          "type": "Opening Type 4",
+          "width": 1.14,
+          "height": 1.5,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "W2a",
+          "type": "Opening Type 4",
+          "width": 0.56,
+          "height": 1.5,
+          "location": "External Wall 1",
+          "orientation": 3
+        },
+        {
+          "name": "W2b",
+          "type": "Opening Type 4",
+          "width": 0.56,
+          "height": 1.5,
+          "location": "External Wall 1",
+          "orientation": 1
+        },
+        {
+          "name": "W3",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 8
+        },
+        {
+          "name": "W4",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 8
+        },
+        {
+          "name": "W5",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 8
+        },
+        {
+          "name": "W6",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": "W7",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "W8",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.2,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "W9",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "W10",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 8
+        },
+        {
+          "name": "W11",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 8
+        },
+        {
+          "name": "W12",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 8
+        },
+        {
+          "name": "W13",
+          "type": "Opening Type 4",
+          "width": 0.63,
+          "height": 1.05,
+          "location": "External Wall 1",
+          "orientation": 4
+        },
+        {
+          "name": "W14",
+          "type": "Opening Type 4",
+          "width": 1.02,
+          "height": 1.35,
+          "location": "External Wall 1",
+          "orientation": 6
+        }
+      ],
+      "construction_year": 2017,
+      "sap_thermal_bridges": {
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+          {
+            "length": 21.8,
+            "psi_value": 0.211,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E2"
+          },
+          {
+            "length": 6.12,
+            "psi_value": 0.049,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E2"
+          },
+          {
+            "length": 20.79,
+            "psi_value": 0.023,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E3"
+          },
+          {
+            "length": 63.76,
+            "psi_value": 0.028,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E4"
+          },
+          {
+            "length": 38.46,
+            "psi_value": 0.047,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E5"
+          },
+          {
+            "length": 3.48,
+            "psi_value": 0.14,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "E6"
+          },
+          {
+            "length": 34.33,
+            "psi_value": 0.003,
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+            "thermal_bridge_type": "E6"
+          },
+          {
+            "length": 26.68,
+            "psi_value": 0.094,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E10"
+          },
+          {
+            "length": 9.4,
+            "psi_value": 0.049,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E12"
+          },
+          {
+            "length": 4.41,
+            "psi_value": 0.08,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "E14"
+          },
+          {
+            "length": 34.2,
+            "psi_value": 0.047,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E16"
+          },
+          {
+            "length": 15.36,
+            "psi_value": -0.097,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E17"
+          }
+        ],
+        "thermal_bridge_code": 5
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 0,
+          "u_value": 0.14,
+          "floor_type": 2,
+          "description": "B&B",
+          "storey_height": 2.33,
+          "heat_loss_area": 73.67,
+          "total_floor_area": 73.67
+        },
+        {
+          "storey": 1,
+          "u_value": 0,
+          "floor_type": 3,
+          "storey_height": 2.56,
+          "heat_loss_area": 0,
+          "total_floor_area": 72.6
+        }
+      ],
+      "thermal_mass_parameter": 134.43
+    }
+  ],
+  "heating_cost_current": {
+    "value": 339,
+    "currency": "GBP"
+  },
+  "co2_emissions_current": 2.1,
+  "energy_rating_average": 60,
+  "energy_rating_current": 85,
+  "lighting_cost_current": {
+    "value": 93,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Time and temperature zone control",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 340,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 99,
+    "currency": "GBP"
+  },
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 43,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 86,
+      "environmental_impact_rating": 87
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 340,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£3,500 - £5,500",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 93,
+      "environmental_impact_rating": 93
+    }
+  ],
+  "co2_emissions_potential": 0.9,
+  "energy_rating_potential": 93,
+  "lighting_cost_potential": {
+    "value": 93,
+    "currency": "GBP"
+  },
+  "schema_version_original": "LIG-17.0",
+  "hot_water_cost_potential": {
+    "value": 55,
+    "currency": "GBP"
+  },
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 5361,
+      "water_heating": 2143
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 82,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_percentage": 100,
+  "calculation_software_version": "4.12r02",
+  "energy_consumption_potential": 34,
+  "environmental_impact_current": 85,
+  "current_energy_efficiency_band": "B",
+  "environmental_impact_potential": 93,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "A",
+  "co2_emissions_current_per_floor_area": 14
+}

backend/epc_api/json_samples/SAP-Schema-18.0.0/epc.json

@@ -0,0 +1,510 @@
+{
+  "name": "-",
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.10 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.10 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.09 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "tenure": "ND",
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "addendum": {
+    "stone_walls": "true",
+    "system_build": "true"
+  },
+  "lighting": {
+    "description": "Low energy lighting in all fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "LS0 0AA",
+  "data_type": 2,
+  "hot_water": {
+    "description": "Electric immersion, standard tariff",
+    "energy_efficiency_rating": 1,
+    "environmental_efficiency_rating": 2
+  },
+  "post_town": "Town",
+  "built_form": 4,
+  "living_area": 38.91,
+  "orientation": 6,
+  "region_code": 3,
+  "report_type": 3,
+  "sap_heating": {
+    "water_fuel_type": 39,
+    "water_heating_code": 903,
+    "hot_water_store_size": 210,
+    "main_heating_details": [
+      {
+        "main_fuel_type": 39,
+        "main_heating_code": 691,
+        "emitter_temperature": "NA",
+        "main_heating_number": 1,
+        "main_heating_control": 2603,
+        "main_heating_category": 10,
+        "main_heating_fraction": 1,
+        "main_heating_data_source": 3
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "immersion_heating_type": 1,
+    "has_cylinder_thermostat": "true",
+    "hot_water_store_heat_loss": 1.31,
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_cylinder_in_heated_space": "true",
+    "hot_water_store_heat_loss_source": 2
+  },
+  "sap_version": 9.92,
+  "schema_type": "SAP-Schema-18.0.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": "Room heaters, electric",
+      "energy_efficiency_rating": 1,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "air_tightness": {
+    "description": "Air permeability 0.7 m³/h.m² (as tested)",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "30 Lovely Place",
+  "address_line_2": "Nice Road",
+  "assessment_date": "2021-01-01",
+  "assessment_type": "SAP",
+  "completion_date": "2021-01-01",
+  "inspection_date": "2021-01-01",
+  "sap_ventilation": {
+    "psv_count": 0,
+    "pressure_test": 1,
+    "wet_rooms_count": 3,
+    "air_permeability": 0.69,
+    "open_flues_count": 0,
+    "ventilation_type": 8,
+    "extract_fans_count": 0,
+    "open_fireplaces_count": 0,
+    "sheltered_sides_count": 3,
+    "flueless_gas_fires_count": 0,
+    "mechanical_vent_duct_type": 2,
+    "mechanical_vent_duct_insulation": 2,
+    "mechanical_ventilation_data_source": 1,
+    "mechanical_vent_system_index_number": 500482,
+    "is_mechanical_vent_approved_installer_scheme": "true"
+  },
+  "design_water_use": 1,
+  "sap_data_version": 9.92,
+  "sap_flat_details": {
+    "level": 1
+  },
+  "total_floor_area": 117,
+  "transaction_type": 6,
+  "conservatory_type": 1,
+  "registration_date": "2021-01-01",
+  "sap_energy_source": {
+    "pv_arrays": [
+      {
+        "pitch": 2,
+        "peak_power": 0.75,
+        "orientation": 6,
+        "overshading": 1,
+        "pv_connection": 2
+      }
+    ],
+    "electricity_tariff": 1,
+    "wind_turbines_count": 0,
+    "wind_turbine_terrain_type": 1,
+    "fixed_lighting_outlets_count": 20,
+    "low_energy_fixed_lighting_outlets_count": 20,
+    "low_energy_fixed_lighting_outlets_percentage": 100
+  },
+  "sap_opening_types": [
+    {
+      "name": "Doors",
+      "type": 1,
+      "u_value": 0.75,
+      "data_source": 2,
+      "glazing_type": 1
+    },
+    {
+      "name": "Windows - W-001A",
+      "type": 4,
+      "u_value": 0.72,
+      "data_source": 2,
+      "frame_factor": 0.85,
+      "glazing_type": 12,
+      "solar_transmittance": 0.52
+    },
+    {
+      "name": "Windows - W-001B",
+      "type": 4,
+      "u_value": 0.73,
+      "data_source": 2,
+      "frame_factor": 0.84,
+      "glazing_type": 12,
+      "solar_transmittance": 0.52
+    },
+    {
+      "name": "W-003 Louvre system",
+      "type": 4,
+      "u_value": 1.02,
+      "data_source": 2,
+      "frame_factor": 0.01,
+      "glazing_type": 12,
+      "solar_transmittance": 0
+    },
+    {
+      "name": "Window - W-003R",
+      "type": 4,
+      "u_value": 0.82,
+      "data_source": 2,
+      "frame_factor": 0.78,
+      "glazing_type": 12,
+      "solar_transmittance": 0.53
+    },
+    {
+      "name": "Sliding door - EX002A",
+      "type": 4,
+      "u_value": 0.86,
+      "data_source": 2,
+      "frame_factor": 0.85,
+      "glazing_type": 12,
+      "solar_transmittance": 0.52
+    },
+    {
+      "name": "EX002B Louvre system",
+      "type": 4,
+      "u_value": 1,
+      "data_source": 2,
+      "frame_factor": 0.01,
+      "glazing_type": 12,
+      "solar_transmittance": 0
+    },
+    {
+      "name": "Window - EX002B",
+      "type": 4,
+      "u_value": 0.76,
+      "data_source": 2,
+      "frame_factor": 0.84,
+      "glazing_type": 12,
+      "solar_transmittance": 0.53
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lzc_energy_sources": [
+    11,
+    9
+  ],
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof 1",
+          "u_value": 0.1,
+          "roof_type": 2,
+          "description": "External Roof 1",
+          "total_roof_area": 38.91
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "External Wall 1",
+          "u_value": 0.1,
+          "wall_type": 2,
+          "description": "External Wall 1",
+          "total_wall_area": 77.31,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Party Wall 0",
+          "u_value": 0,
+          "wall_type": 4,
+          "total_wall_area": 129.44
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "overshading": 2,
+      "sap_openings": [
+        {
+          "name": "Opening 1",
+          "type": "Doors",
+          "width": 2.23,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 0
+        },
+        {
+          "name": "Opening 2",
+          "type": "Windows - W-001A",
+          "width": 2.3,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": "Opening 3",
+          "type": "W-003 Louvre system",
+          "width": 0.63,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": "Opening 4",
+          "type": "Window - W-003R",
+          "width": 2.38,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": "Opening 5",
+          "type": "Sliding door - EX002A",
+          "width": 5.37,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 6
+        },
+        {
+          "name": "Opening 6",
+          "type": "Windows - W-001A",
+          "width": 2.3,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "Opening 7",
+          "type": "Windows - W-001B",
+          "width": 2.06,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "Opening 8",
+          "type": "Window - W-003R",
+          "width": 1.18,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "Opening 9",
+          "type": "EX002B Louvre system",
+          "width": 0.95,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 2
+        },
+        {
+          "name": "Opening 10",
+          "type": "Window - EX002B",
+          "width": 4.73,
+          "height": 1,
+          "location": "External Wall 1",
+          "orientation": 2
+        }
+      ],
+      "construction_year": 2017,
+      "sap_thermal_bridges": {
+        "thermal_bridges": [
+          {
+            "length": 13.13,
+            "psi_value": 0.07,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E2"
+          },
+          {
+            "length": 9.7,
+            "psi_value": 0.055,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E3"
+          },
+          {
+            "length": 31.33,
+            "psi_value": 0.066,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E4"
+          },
+          {
+            "length": 9.64,
+            "psi_value": 0.074,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E20"
+          },
+          {
+            "length": 19.28,
+            "psi_value": 0.049,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E6"
+          },
+          {
+            "length": 9.84,
+            "psi_value": 0.097,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E15"
+          },
+          {
+            "length": 32.08,
+            "psi_value": 0.02,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "E18"
+          },
+          {
+            "length": 32.28,
+            "psi_value": 0,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "P2"
+          },
+          {
+            "length": 16.14,
+            "psi_value": 0.16,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "P7"
+          },
+          {
+            "length": 16.14,
+            "psi_value": 0.005,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "P4"
+          }
+        ],
+        "thermal_bridge_code": 5
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 0,
+          "u_value": 0.09,
+          "floor_type": 3,
+          "description": "Heat Loss Floor 1",
+          "storey_height": 2.48,
+          "heat_loss_area": 38.91,
+          "total_floor_area": 38.91
+        },
+        {
+          "storey": 1,
+          "u_value": 0,
+          "floor_type": 3,
+          "storey_height": 2.8,
+          "heat_loss_area": 0,
+          "total_floor_area": 38.91
+        },
+        {
+          "storey": 2,
+          "u_value": 0,
+          "floor_type": 3,
+          "storey_height": 2.74,
+          "heat_loss_area": 0,
+          "total_floor_area": 38.91
+        }
+      ],
+      "thermal_mass_parameter": 100
+    }
+  ],
+  "heating_cost_current": {
+    "value": 133,
+    "currency": "GBP"
+  },
+  "co2_emissions_current": 1.3,
+  "energy_rating_average": 60,
+  "energy_rating_current": 88,
+  "lighting_cost_current": {
+    "value": 86,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Programmer and appliance thermostats",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 136,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 361,
+    "currency": "GBP"
+  },
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 184,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 93,
+      "environmental_impact_rating": 94
+    }
+  ],
+  "co2_emissions_potential": 0.8,
+  "energy_rating_potential": 93,
+  "lighting_cost_potential": {
+    "value": 86,
+    "currency": "GBP"
+  },
+  "schema_version_original": "18.0.0",
+  "hot_water_cost_potential": {
+    "value": 175,
+    "currency": "GBP"
+  },
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 413,
+      "water_heating": 1890
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 64,
+  "has_fixed_air_conditioning": "false",
+  "multiple_glazed_percentage": 100,
+  "calculation_software_version": "4.14r16",
+  "energy_consumption_potential": 39,
+  "environmental_impact_current": 89,
+  "current_energy_efficiency_band": "B",
+  "environmental_impact_potential": 94,
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "A",
+  "co2_emissions_current_per_floor_area": 11
+}

backend/epc_api/json_samples/SAP-Schema-19.0.0/epc.json

@@ -0,0 +1,610 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.13 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.18 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.12 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 5
+  },
+  "addendum": {
+    "stone_walls": "true"
+  },
+  "lighting": {
+    "description": "Energy saving bulbs",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "postcode": "A0 0AA",
+  "data_type": 1,
+  "hot_water": {
+    "description": "From main system, waste water heat recovery",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 3
+  },
+  "post_town": "Whitbury",
+  "built_form": 4,
+  "living_area": 41.35,
+  "orientation": 0,
+  "region_code": 16,
+  "report_type": 3,
+  "sap_heating": {
+    "thermal_store": 1,
+    "shower_outlets": [
+      {
+        "shower_wwhrs": 1,
+        "shower_flow_rate": 7,
+        "shower_outlet_type": 1
+      },
+      {
+        "shower_wwhrs": 2,
+        "shower_flow_rate": 7,
+        "shower_outlet_type": 1
+      }
+    ],
+    "water_fuel_type": 39,
+    "water_heating_code": 901,
+    "instantaneous_wwhrs": {
+      "wwhrs_index_number1": 491123
+    },
+    "hot_water_store_size": 600,
+    "main_heating_details": [
+      {
+        "has_fghrs": "false",
+        "main_fuel_type": 39,
+        "combi_boiler_type": 4,
+        "heat_emitter_type": 1,
+        "main_heating_code": 192,
+        "main_heating_number": 1,
+        "is_condensing_boiler": "false",
+        "main_heating_control": 2106,
+        "is_interlocked_system": "false",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "central_heating_pump_age": 2,
+        "main_heating_data_source": 3,
+        "has_separate_delayed_start": "true",
+        "is_oil_pump_in_heated_space": "false",
+        "is_main_heating_hetas_approved": "false",
+        "electric_cpsu_operating_temperature": 80,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
+    "hot_water_store_heat_loss": 2.45,
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_immersion_for_summer_use": "false",
+    "is_hot_water_separately_timed": "false",
+    "hot_water_store_heat_loss_source": 2,
+    "is_heat_pump_assisted_by_immersion": "false"
+  },
+  "sap_version": 10.2,
+  "schema_type": "SAP-Schema-19.0.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, electric",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "sap_lighting": [
+    [
+      {
+        "lighting_power": 60,
+        "lighting_outlets": 1,
+        "lighting_efficacy": 11.2
+      },
+      {
+        "lighting_power": 14,
+        "lighting_outlets": 10,
+        "lighting_efficacy": 66.9
+      },
+      {
+        "lighting_power": 15,
+        "lighting_outlets": 7,
+        "lighting_efficacy": 69.9
+      }
+    ]
+  ],
+  "terrain_type": 1,
+  "air_tightness": {
+    "description": "Air permeability 2.0 m³/h.m² (assumed)",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "1 Some Street",
+  "address_line_2": "Some Area",
+  "address_line_3": "Some County",
+  "assessment_date": "2022-05-09",
+  "assessment_type": "SAP",
+  "completion_date": "2022-05-09",
+  "inspection_date": "2022-05-09",
+  "sap_ventilation": {
+    "psv_count": 0,
+    "wall_type": 2,
+    "pressure_test": 2,
+    "wet_rooms_count": 2,
+    "air_permeability": 2,
+    "open_flues_count": 0,
+    "ventilation_type": 8,
+    "has_draught_lobby": "false",
+    "other_flues_count": 0,
+    "closed_flues_count": 0,
+    "extract_fans_count": 0,
+    "boilers_flues_count": 0,
+    "open_chimneys_count": 0,
+    "sheltered_sides_count": 2,
+    "blocked_chimneys_count": 0,
+    "flueless_gas_fires_count": 0,
+    "mechanical_vent_duct_type": 2,
+    "mechanical_vent_duct_placement": 1,
+    "mechanical_ventilation_data_source": 1,
+    "mechanical_vent_system_index_number": 500206,
+    "mechanical_vent_duct_insulation_level": 2,
+    "is_mechanical_vent_approved_installer_scheme": "true"
+  },
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+  "sap_flat_details": {
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+  "conservatory_type": 1,
+  "registration_date": "2022-05-09",
+  "sap_energy_source": {
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+        "wind_turbine_hub_height": 3,
+        "wind_turbine_rotor_diameter": 1.7
+      }
+    ],
+    "electricity_tariff": 4
+  },
+  "sap_opening_types": [
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+      "name": "Doors",
+      "type": 1,
+      "u_value": 1.5,
+      "data_source": 2,
+      "glazing_type": 1,
+      "isargonfilled": "false"
+    },
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+      "name": "Windows (1)",
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+      "glazing_gap": 3,
+      "frame_factor": 0.7,
+      "glazing_type": 11,
+      "isargonfilled": "true",
+      "solar_transmittance": 0.57
+    },
+    {
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+      "isargonfilled": "true",
+      "solar_transmittance": 0.64
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+  ],
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+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lowest_storey_area": 57.4,
+  "lzc_energy_sources": [
+    11
+  ],
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof (1)",
+          "u_value": 0.13,
+          "roof_type": 2,
+          "kappa_value": 9,
+          "total_roof_area": 57.4
+        }
+      ],
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+          "name": "Walls (1)",
+          "u_value": 0.18,
+          "wall_type": 2,
+          "kappa_value": 60,
+          "total_wall_area": 111.34,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Party wall",
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+          "wall_type": 4,
+          "kappa_value": 0,
+          "total_wall_area": 167,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Internal wall (1)",
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+          "wall_type": 5,
+          "kappa_value": 0,
+          "total_wall_area": 320,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "sap_openings": [
+        {
+          "name": 1,
+          "type": "Doors",
+          "width": 1,
+          "height": 2.25,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
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+          "type": "Doors",
+          "width": 0.8,
+          "height": 2.1,
+          "location": "Walls (1)",
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+        },
+        {
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+          "width": 1.6,
+          "height": 2.7,
+          "location": "Walls (1)",
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+        },
+        {
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+          "height": 1.75,
+          "location": "Walls (1)",
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+          "height": 1.75,
+          "location": "Walls (1)",
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+        },
+        {
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+          "type": "Windows (1)",
+          "width": 1.1,
+          "height": 1.85,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
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+          "type": "Windows (1)",
+          "width": 1.1,
+          "height": 1.85,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
+          "name": 8,
+          "type": "Windows (1)",
+          "width": 1.1,
+          "height": 1.8,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
+          "name": 9,
+          "type": "Windows (1)",
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+          "height": 1.75,
+          "location": "Walls (1)",
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+        },
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+          "location": "Walls (1)",
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+          "height": 0.8,
+          "location": "Walls (1)",
+          "orientation": 7
+        },
+        {
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+          "height": 1.25,
+          "location": "Walls (1)",
+          "orientation": 7
+        },
+        {
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+          "type": "Windows (1)",
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+          "height": 1.25,
+          "location": "Walls (1)",
+          "orientation": 7
+        },
+        {
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+          "type": "Windows (1)",
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+          "height": 1.25,
+          "location": "Walls (1)",
+          "orientation": 7
+        }
+      ],
+      "construction_year": 1750,
+      "sap_thermal_bridges": {
+        "thermal_bridges": [
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+          },
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+            "thermal_bridge_type": "E5"
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+          {
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+            "thermal_bridge_type": "E16"
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+          {
+            "length": 5.8,
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+            "thermal_bridge_type": "E17"
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+          {
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+            "thermal_bridge_type": "E18"
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+          {
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+          {
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+            "thermal_bridge_type": "P4"
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+        ],
+        "thermal_bridge_code": 5
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
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+          "storey_height": 2.8,
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+        },
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+          "kappa_value_from_below": 9
+        }
+      ],
+      "construction_age_band": "A"
+    }
+  ],
+  "user_interface_name": "BRE SAP interface 10.2",
+  "windows_overshading": 2,
+  "heating_cost_current": {
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+    "currency": "GBP"
+  },
+  "co2_emissions_current": 2.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 72,
+  "lighting_cost_current": {
+    "value": 123.45,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "has_hot_water_cylinder": "false",
+  "heating_cost_potential": {
+    "value": 250.34,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 200.4,
+    "currency": "GBP"
+  },
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 94
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£9,000 - £14,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 80,
+      "environmental_impact_rating": 96
+    }
+  ],
+  "user_interface_version": "1.0.1-alpha",
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 72,
+  "gas_smart_meter_present": "false",
+  "lighting_cost_potential": {
+    "value": 84.23,
+    "currency": "GBP"
+  },
+  "schema_version_original": "SAP-Schema-19.0.0",
+  "hot_water_cost_potential": {
+    "value": 180.43,
+    "currency": "GBP"
+  },
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 13120,
+      "water_heating": 2285
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 59,
+  "has_fixed_air_conditioning": "false",
+  "is_dwelling_export_capable": "true",
+  "multiple_glazed_percentage": 100,
+  "calculation_software_version": "13.05r16",
+  "energy_consumption_potential": 53,
+  "environmental_impact_current": 94,
+  "current_energy_efficiency_band": "C",
+  "environmental_impact_potential": 96,
+  "electricity_smart_meter_present": "false",
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 5.6
+}

backend/epc_api/json_samples/SAP-Schema-19.1.0/epc.json

@@ -0,0 +1,613 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.13 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.18 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.12 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "lighting": {
+    "description": "Low energy lighting in 91% of fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "A0 0AA",
+  "data_type": 1,
+  "hot_water": {
+    "description": "From main system, waste water heat recovery",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 3
+  },
+  "post_town": "Whitbury",
+  "built_form": 4,
+  "living_area": 41.35,
+  "orientation": 0,
+  "region_code": 16,
+  "report_type": 3,
+  "sap_heating": {
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+    "shower_outlets": [
+      {
+        "shower_wwhrs": 1,
+        "shower_flow_rate": 7,
+        "shower_outlet_type": 1
+      },
+      {
+        "shower_wwhrs": 2,
+        "shower_flow_rate": 7,
+        "shower_outlet_type": 1
+      }
+    ],
+    "water_fuel_type": 39,
+    "water_heating_code": 901,
+    "instantaneous_wwhrs": {
+      "wwhrs_index_number1": 491123
+    },
+    "hot_water_store_size": 600,
+    "main_heating_details": [
+      {
+        "has_fghrs": "false",
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+        "combi_boiler_type": 4,
+        "heat_emitter_type": 1,
+        "main_heating_code": 192,
+        "main_heating_number": 1,
+        "is_condensing_boiler": "false",
+        "main_heating_control": 2106,
+        "is_interlocked_system": "false",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "central_heating_pump_age": 2,
+        "main_heating_data_source": 3,
+        "has_separate_delayed_start": "true",
+        "is_oil_pump_in_heated_space": "false",
+        "is_main_heating_hetas_approved": "false",
+        "electric_cpsu_operating_temperature": 80,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
+    "hot_water_store_heat_loss": 2.45,
+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_immersion_for_summer_use": "false",
+    "is_hot_water_separately_timed": "false",
+    "sap_community_heating_systems": [
+      {
+        "sub_network_name": "Test 1",
+        "community_heating_use": 3,
+        "heat_network_existing": "true",
+        "heat_network_index_number": 496402,
+        "heat_network_assessed_as_new": "true",
+        "community_heating_distribution_type": 5,
+        "community_heating_distribution_loss_factor": 1.26
+      }
+    ],
+    "hot_water_store_heat_loss_source": 2,
+    "is_heat_pump_assisted_by_immersion": "false"
+  },
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+  "schema_type": "SAP-Schema-19.1.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
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+      "description": "Boiler and radiators, electric",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "sap_lighting": [
+    [
+      {
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+        "lighting_outlets": 1,
+        "lighting_efficacy": 11.2
+      },
+      {
+        "lighting_power": 14,
+        "lighting_outlets": 10,
+        "lighting_efficacy": 66.9
+      }
+    ]
+  ],
+  "terrain_type": 1,
+  "air_tightness": {
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+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "1 Some Street",
+  "address_line_2": "Some Area",
+  "address_line_3": "Some County",
+  "assessment_date": "2022-05-09",
+  "assessment_type": "SAP",
+  "completion_date": "2022-05-09",
+  "inspection_date": "2022-05-09",
+  "sap_ventilation": {
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+    "wall_type": 2,
+    "pressure_test": 2,
+    "wet_rooms_count": 2,
+    "air_permeability": 2,
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+    "ventilation_type": 8,
+    "has_draught_lobby": "false",
+    "other_flues_count": 0,
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+    "extract_fans_count": 0,
+    "boilers_flues_count": 0,
+    "open_chimneys_count": 0,
+    "sheltered_sides_count": 2,
+    "blocked_chimneys_count": 0,
+    "flueless_gas_fires_count": 0,
+    "mechanical_vent_duct_type": 2,
+    "mechanical_vent_duct_placement": 1,
+    "mechanical_ventilation_data_source": 1,
+    "mechanical_vent_system_index_number": 500206,
+    "mechanical_vent_duct_insulation_level": 2,
+    "is_mechanical_vent_approved_installer_scheme": "true"
+  },
+  "sap_data_version": 10.2,
+  "sap_flat_details": {
+    "level": 1,
+    "storeys": 1
+  },
+  "total_floor_area": 165,
+  "transaction_type": 1,
+  "cold_water_source": 1,
+  "conservatory_type": 1,
+  "registration_date": "2022-05-09",
+  "sap_energy_source": {
+    "wind_turbines": [
+      {
+        "wind_turbine_hub_height": 3,
+        "wind_turbine_rotor_diameter": 1.7
+      },
+      {
+        "wind_turbine_hub_height": 3,
+        "wind_turbine_rotor_diameter": 1.7
+      }
+    ],
+    "electricity_tariff": 5
+  },
+  "sap_opening_types": [
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+      "type": 1,
+      "u_value": 1.5,
+      "data_source": 2,
+      "glazing_type": 1,
+      "isargonfilled": "false"
+    },
+    {
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+      "u_value": 1.4,
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+      "data_source": 3,
+      "glazing_gap": 3,
+      "frame_factor": 0.7,
+      "glazing_type": 11,
+      "isargonfilled": "true",
+      "solar_transmittance": 0.57
+    },
+    {
+      "name": "Windows (2)",
+      "type": 4,
+      "u_value": 1.5,
+      "frame_type": 1,
+      "data_source": 3,
+      "glazing_gap": 3,
+      "frame_factor": 0.7,
+      "glazing_type": 9,
+      "isargonfilled": "true",
+      "solar_transmittance": 0.64
+    }
+  ],
+  "secondary_heating": {
+    "description": "None",
+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lowest_storey_area": 57.4,
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof (1)",
+          "u_value": 0.13,
+          "roof_type": 2,
+          "kappa_value": 9,
+          "total_roof_area": 57.4
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "Walls (1)",
+          "u_value": 0.18,
+          "wall_type": 2,
+          "kappa_value": 60,
+          "total_wall_area": 111.34,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Party wall",
+          "u_value": 0,
+          "wall_type": 4,
+          "kappa_value": 0,
+          "total_wall_area": 167,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Internal wall (1)",
+          "u_value": 0,
+          "wall_type": 5,
+          "kappa_value": 0,
+          "total_wall_area": 320,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "sap_openings": [
+        {
+          "name": 1,
+          "type": "Doors",
+          "width": 1,
+          "height": 2.25,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
+          "name": 2,
+          "type": "Doors",
+          "width": 0.8,
+          "height": 2.1,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
+          "name": 3,
+          "type": "Windows (2)",
+          "width": 1.6,
+          "height": 2.7,
+          "location": "Walls (1)",
+          "orientation": 7
+        },
+        {
+          "name": 4,
+          "type": "Windows (1)",
+          "width": 1.1,
+          "height": 1.75,
+          "location": "Walls (1)",
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+        {
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+          "height": 1.75,
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+          "orientation": 3
+        },
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+          "type": "Windows (1)",
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+          "height": 1.85,
+          "location": "Walls (1)",
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+        },
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+          "type": "Windows (1)",
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+          "height": 1.85,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
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+          "type": "Windows (1)",
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+          "height": 1.8,
+          "location": "Walls (1)",
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+        },
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+          "type": "Windows (1)",
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+          "height": 1.75,
+          "location": "Walls (1)",
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+          "location": "Walls (1)",
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+          "location": "Walls (1)",
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+          "height": 1.25,
+          "location": "Walls (1)",
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+        },
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+          "type": "Windows (1)",
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+          "height": 1.25,
+          "location": "Walls (1)",
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+        },
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+          "width": 1.1,
+          "height": 1.25,
+          "location": "Walls (1)",
+          "orientation": 7
+        }
+      ],
+      "sap_thermal_bridges": {
+        "thermal_bridges": [
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+            "length": 15.5,
+            "psi_value": 0.3,
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+            "thermal_bridge_type": "P4"
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+        ],
+        "thermal_bridge_code": 5
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+      "building_part_number": 1,
+      "sap_floor_dimensions": [
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+          "storey_height": 2.8,
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+        }
+      ],
+      "construction_age_band": "A"
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+  ],
+  "user_interface_name": "BRE SAP interface 10.2",
+  "windows_overshading": 2,
+  "heating_cost_current": {
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+    "currency": "GBP"
+  },
+  "co2_emissions_current": 2.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 72,
+  "lighting_cost_current": {
+    "value": 123.45,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 250.34,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 200.4,
+    "currency": "GBP"
+  },
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 94
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£9,000 - £14,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 80,
+      "environmental_impact_rating": 96
+    }
+  ],
+  "user_interface_version": "1.0.1-alpha",
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 72,
+  "gas_smart_meter_present": "false",
+  "lighting_cost_potential": {
+    "value": 84.23,
+    "currency": "GBP"
+  },
+  "schema_version_original": "SAP-Schema-19.1.0",
+  "hot_water_cost_potential": {
+    "value": 180.43,
+    "currency": "GBP"
+  },
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 2666,
+      "water_heating": 2650
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 59,
+  "has_fixed_air_conditioning": "false",
+  "is_dwelling_export_capable": "true",
+  "multiple_glazed_percentage": 100,
+  "calculation_software_version": "13.05r16",
+  "energy_consumption_potential": 53,
+  "environmental_impact_current": 94,
+  "current_energy_efficiency_band": "C",
+  "environmental_impact_potential": 96,
+  "electricity_smart_meter_present": "false",
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 5.6
+}

backend/epc_api/json_samples/SAP-Schema-19.2.0/epc.json

@@ -0,0 +1,612 @@
+{
+  "uprn": 12457,
+  "roofs": [
+    {
+      "description": "Average thermal transmittance 0.13 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "walls": [
+    {
+      "description": "Average thermal transmittance 0.18 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "floors": [
+    {
+      "description": "Average thermal transmittance 0.12 W/m²K",
+      "energy_efficiency_rating": 5,
+      "environmental_efficiency_rating": 5
+    }
+  ],
+  "status": "entered",
+  "tenure": 1,
+  "windows": {
+    "description": "High performance glazing",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "lighting": {
+    "description": "Low energy lighting in 91% of fixed outlets",
+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "postcode": "A0 0AA",
+  "data_type": 1,
+  "hot_water": {
+    "description": "From main system, waste water heat recovery",
+    "energy_efficiency_rating": 4,
+    "environmental_efficiency_rating": 3
+  },
+  "post_town": "Whitbury",
+  "built_form": 4,
+  "living_area": 41.35,
+  "orientation": 0,
+  "region_code": 16,
+  "report_type": 3,
+  "sap_heating": {
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+    "shower_outlets": [
+      {
+        "shower_wwhrs": 1,
+        "shower_flow_rate": 7,
+        "shower_outlet_type": 1
+      },
+      {
+        "shower_wwhrs": 2,
+        "shower_flow_rate": 7,
+        "shower_outlet_type": 1
+      }
+    ],
+    "water_fuel_type": 39,
+    "water_heating_code": 901,
+    "instantaneous_wwhrs": {
+      "wwhrs_index_number1": 491123
+    },
+    "hot_water_store_size": 600,
+    "main_heating_details": [
+      {
+        "has_fghrs": "false",
+        "main_fuel_type": 5,
+        "combi_boiler_type": 4,
+        "heat_emitter_type": 1,
+        "main_heating_code": 192,
+        "main_heating_number": 1,
+        "is_condensing_boiler": "false",
+        "main_heating_control": 2106,
+        "is_interlocked_system": "false",
+        "main_heating_category": 2,
+        "main_heating_fraction": 1,
+        "central_heating_pump_age": 2,
+        "main_heating_data_source": 3,
+        "has_separate_delayed_start": "true",
+        "is_oil_pump_in_heated_space": "false",
+        "is_main_heating_hetas_approved": "false",
+        "electric_cpsu_operating_temperature": 80,
+        "is_central_heating_pump_in_heated_space": "true"
+      }
+    ],
+    "has_hot_water_cylinder": "true",
+    "has_cylinder_thermostat": "true",
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+    "has_fixed_air_conditioning": "false",
+    "secondary_heating_category": 1,
+    "is_immersion_for_summer_use": "false",
+    "is_hot_water_separately_timed": "false",
+    "sap_community_heating_systems": [
+      {
+        "sub_network_name": "Test 1",
+        "heat_network_sleeved": 1,
+        "community_heating_use": 3,
+        "heat_network_existing": "true",
+        "heat_network_index_number": 496402,
+        "heat_network_assessed_as_new": "true",
+        "heat_network_community_heating": 0,
+        "community_heating_distribution_type": 5,
+        "community_heating_distribution_loss_factor": 1.26
+      }
+    ],
+    "hot_water_store_heat_loss_source": 2,
+    "is_heat_pump_assisted_by_immersion": "false"
+  },
+  "sap_version": 10.3,
+  "schema_type": "SAP-Schema-19.2.0",
+  "uprn_source": "Energy Assessor",
+  "country_code": "ENG",
+  "main_heating": [
+    {
+      "description": "Boiler and radiators, electric",
+      "energy_efficiency_rating": 3,
+      "environmental_efficiency_rating": 2
+    }
+  ],
+  "sap_lighting": [
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+        "lighting_outlets": 1,
+        "lighting_efficacy": 11.2
+      },
+      {
+        "lighting_power": 14,
+        "lighting_outlets": 10,
+        "lighting_efficacy": 66.9
+      }
+    ]
+  ],
+  "terrain_type": 1,
+  "air_tightness": {
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+    "energy_efficiency_rating": 5,
+    "environmental_efficiency_rating": 5
+  },
+  "dwelling_type": "Mid-terrace house",
+  "language_code": 1,
+  "property_type": 0,
+  "address_line_1": "1 Some Street",
+  "address_line_2": "Some Area",
+  "address_line_3": "Some County",
+  "assessment_date": "2022-05-09",
+  "assessment_type": "SAP",
+  "completion_date": "2022-05-09",
+  "inspection_date": "2022-05-09",
+  "sap_ventilation": {
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+    "wall_type": 2,
+    "pressure_test": 2,
+    "wet_rooms_count": 2,
+    "air_permeability": 2,
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+    "ventilation_type": 8,
+    "has_draught_lobby": "false",
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+    "closed_flues_count": 0,
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+    "boilers_flues_count": 0,
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+    "sheltered_sides_count": 2,
+    "blocked_chimneys_count": 0,
+    "flueless_gas_fires_count": 0,
+    "mechanical_vent_duct_type": 2,
+    "mechanical_vent_duct_placement": 1,
+    "mechanical_ventilation_data_source": 1,
+    "mechanical_vent_system_index_number": 500206,
+    "mechanical_vent_duct_insulation_level": 2,
+    "is_mechanical_vent_approved_installer_scheme": "true"
+  },
+  "sap_data_version": 10.3,
+  "total_floor_area": 165,
+  "transaction_type": 1,
+  "cold_water_source": 1,
+  "conservatory_type": 1,
+  "registration_date": "2022-05-09",
+  "sap_energy_source": {
+    "wind_turbines": [
+      {
+        "wind_turbine_hub_height": 3,
+        "wind_turbine_rotor_diameter": 1.7
+      },
+      {
+        "wind_turbine_hub_height": 3,
+        "wind_turbine_rotor_diameter": 1.7
+      }
+    ],
+    "electricity_tariff": 5
+  },
+  "sap_opening_types": [
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+      "name": "Doors",
+      "type": 1,
+      "u_value": 1.5,
+      "data_source": 2,
+      "glazing_type": 1,
+      "isargonfilled": "false"
+    },
+    {
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+      "u_value": 1.4,
+      "frame_type": 1,
+      "data_source": 3,
+      "glazing_gap": 3,
+      "frame_factor": 0.7,
+      "glazing_type": 11,
+      "isargonfilled": "true",
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+    },
+    {
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+      "u_value": 1.5,
+      "frame_type": 1,
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+      "glazing_gap": 3,
+      "frame_factor": 0.7,
+      "glazing_type": 9,
+      "isargonfilled": "true",
+      "solar_transmittance": 0.64
+    }
+  ],
+  "secondary_heating": {
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+    "energy_efficiency_rating": 0,
+    "environmental_efficiency_rating": 0
+  },
+  "lowest_storey_area": 57.4,
+  "sap_building_parts": [
+    {
+      "sap_roofs": [
+        {
+          "name": "Roof (1)",
+          "u_value": 0.13,
+          "roof_type": 2,
+          "kappa_value": 9,
+          "total_roof_area": 57.4
+        }
+      ],
+      "sap_walls": [
+        {
+          "name": "Walls (1)",
+          "u_value": 0.18,
+          "wall_type": 2,
+          "kappa_value": 60,
+          "total_wall_area": 111.34,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Party wall",
+          "u_value": 0,
+          "wall_type": 4,
+          "kappa_value": 0,
+          "total_wall_area": 167,
+          "is_curtain_walling": "false"
+        },
+        {
+          "name": "Internal wall (1)",
+          "u_value": 0,
+          "wall_type": 5,
+          "kappa_value": 0,
+          "total_wall_area": 320,
+          "is_curtain_walling": "false"
+        }
+      ],
+      "identifier": "Main Dwelling",
+      "sap_openings": [
+        {
+          "name": 1,
+          "type": "Doors",
+          "width": 1,
+          "height": 2.25,
+          "location": "Walls (1)",
+          "orientation": 3
+        },
+        {
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+          "type": "Doors",
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+          "location": "Walls (1)",
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+          "location": "Walls (1)",
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+        },
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+          "height": 1.8,
+          "location": "Walls (1)",
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+          "location": "Walls (1)",
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+        },
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+          "type": "Windows (1)",
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+          "height": 0.8,
+          "location": "Walls (1)",
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+          "type": "Windows (1)",
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+          "height": 1.25,
+          "location": "Walls (1)",
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+          "type": "Windows (1)",
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+          "location": "Walls (1)",
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+        },
+        {
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+          "type": "Windows (1)",
+          "width": 1.1,
+          "height": 1.25,
+          "location": "Walls (1)",
+          "orientation": 7
+        }
+      ],
+      "sap_thermal_bridges": {
+        "thermal_bridges": [
+          {
+            "length": 15.5,
+            "psi_value": 0.3,
+            "psi_value_source": 2,
+            "thermal_bridge_type": "E2"
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+            "thermal_bridge_type": "E17"
+          },
+          {
+            "length": 34,
+            "psi_value": 0.06,
+            "psi_value_source": 2,
+            "thermal_bridge_type": "E18"
+          },
+          {
+            "length": 20.6,
+            "psi_value": 0.12,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "P1"
+          },
+          {
+            "length": 20.6,
+            "psi_value": 0,
+            "psi_value_source": 4,
+            "thermal_bridge_type": "P2"
+          },
+          {
+            "length": 20.6,
+            "psi_value": 0.12,
+            "psi_value_source": 3,
+            "thermal_bridge_type": "P4"
+          }
+        ],
+        "thermal_bridge_code": 5
+      },
+      "building_part_number": 1,
+      "sap_floor_dimensions": [
+        {
+          "storey": 0,
+          "u_value": 0.12,
+          "floor_type": 2,
+          "kappa_value": 80,
+          "storey_height": 2.8,
+          "heat_loss_area": 57.4,
+          "total_floor_area": 57.4
+        },
+        {
+          "storey": 1,
+          "u_value": 0,
+          "floor_type": 3,
+          "kappa_value": 18,
+          "storey_height": 3,
+          "heat_loss_area": 0,
+          "total_floor_area": 57.4,
+          "kappa_value_from_below": 9
+        },
+        {
+          "storey": 2,
+          "u_value": 0,
+          "floor_type": 3,
+          "kappa_value": 19,
+          "storey_height": 2.7,
+          "heat_loss_area": 0,
+          "total_floor_area": 57.4,
+          "kappa_value_from_below": 9
+        }
+      ],
+      "construction_age_band": "A"
+    }
+  ],
+  "user_interface_name": "BRE SAP interface 10.3",
+  "windows_overshading": 2,
+  "heating_cost_current": {
+    "value": 365.98,
+    "currency": "GBP"
+  },
+  "co2_emissions_current": 2.4,
+  "energy_rating_average": 60,
+  "energy_rating_current": 72,
+  "lighting_cost_current": {
+    "value": 123.45,
+    "currency": "GBP"
+  },
+  "main_heating_controls": [
+    {
+      "description": "Programmer, room thermostat and TRVs",
+      "energy_efficiency_rating": 4,
+      "environmental_efficiency_rating": 4
+    }
+  ],
+  "has_hot_water_cylinder": "true",
+  "heating_cost_potential": {
+    "value": 250.34,
+    "currency": "GBP"
+  },
+  "hot_water_cost_current": {
+    "value": 200.4,
+    "currency": "GBP"
+  },
+  "suggested_improvements": [
+    {
+      "sequence": 1,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£4,000 - £6,000",
+      "improvement_type": "N",
+      "improvement_details": {
+        "improvement_number": 19
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 74,
+      "environmental_impact_rating": 94
+    },
+    {
+      "sequence": 2,
+      "typical_saving": {
+        "value": 88,
+        "currency": "GBP"
+      },
+      "indicative_cost": "£9,000 - £14,000",
+      "improvement_type": "U",
+      "improvement_details": {
+        "improvement_number": 34
+      },
+      "improvement_category": 5,
+      "energy_performance_rating": 80,
+      "environmental_impact_rating": 96
+    }
+  ],
+  "user_interface_version": "1.0.1-alpha",
+  "co2_emissions_potential": 1.4,
+  "energy_rating_potential": 72,
+  "gas_smart_meter_present": "false",
+  "lighting_cost_potential": {
+    "value": 84.23,
+    "currency": "GBP"
+  },
+  "part_o_cooling_required": 1,
+  "schema_version_original": "SAP-Schema-19.2.0",
+  "hot_water_cost_potential": {
+    "value": 180.43,
+    "currency": "GBP"
+  },
+  "is_in_smoke_control_area": "unknown",
+  "renewable_heat_incentive": {
+    "rhi_new_dwelling": {
+      "space_heating": 2666,
+      "water_heating": 2650
+    }
+  },
+  "seller_commission_report": "Y",
+  "energy_consumption_current": 59,
+  "has_fixed_air_conditioning": "false",
+  "is_dwelling_export_capable": "true",
+  "multiple_glazed_percentage": 100,
+  "calculation_software_version": "13.05r16",
+  "energy_consumption_potential": 53,
+  "environmental_impact_current": 94,
+  "current_energy_efficiency_band": "C",
+  "environmental_impact_potential": 96,
+  "electricity_smart_meter_present": "false",
+  "has_heated_separate_conservatory": "false",
+  "potential_energy_efficiency_band": "C",
+  "co2_emissions_current_per_floor_area": 5.6
+}

etl/bill_savings/KwhData.py

@@ -203,7 +203,7 @@ class KwhData:
         # TODO: New is a temporary parameter, which will transform the epc descriptions to their transformed features
         #       in anticipation of the new model
 
-        data["lodgement-date"] = pd.to_datetime(data["lodgement-date"])
+        data["lodgement-date"] = pd.to_datetime(data["lodgement-date"], format="mixed", errors="coerce")
         data["lodgement-year"] = data["lodgement-date"].dt.year
         data["lodgement-month"] = data["lodgement-date"].dt.month
 
@@ -331,8 +331,8 @@ class KwhData:
 
     def prepare_epc(self, input_properties: list[Property]):
         scoring_data = pd.DataFrame([self._prepare_epc(p) for p in input_properties])
-        scoring_data["lodgement-year"] = pd.to_datetime(scoring_data["lodgement-date"]).dt.year
-        scoring_data["lodgement-month"] = pd.to_datetime(scoring_data["lodgement-date"]).dt.month
+        scoring_data["lodgement-year"] = pd.to_datetime(scoring_data["lodgement-date"], format="mixed").dt.year
+        scoring_data["lodgement-month"] = pd.to_datetime(scoring_data["lodgement-date"], format="mixed").dt.month
 
         scoring_data["id"] = scoring_data["uprn"].copy()
 

etl/find_my_epc/RetrieveFindMyEpc.py

@@ -472,8 +472,8 @@ class RetrieveFindMyEpc:
             address_response = requests.get(chosen_epc, headers=self.HEADERS)
             epc_page_source = address_response.text
             address_res = BeautifulSoup(address_response.text, features="html.parser")
-        elif self.rrn:
-            epc_certificate = self.rrn
+        elif self.rrn or rrn:
+            epc_certificate = self.rrn if self.rrn else rrn
             chosen_epc = f"{self.BASE_ENERGY_URL}/energy-certificate/{epc_certificate}"
             address_response = requests.get(chosen_epc, headers=self.HEADERS)
             epc_page_source = address_response.text
@@ -497,7 +497,7 @@ class RetrieveFindMyEpc:
         current_sap = int(current_rating.split(' ')[-1])
 
         if self.sap_rating:
-            if current_sap != self.sap_rating:
+            if current_sap != self.sap_rating and not rrn:
                 # This means we likely have the wrong data. If we are in this scenario, we return nothing
                 return {
                     "epc_certificate": None,
@@ -734,6 +734,8 @@ class RetrieveFindMyEpc:
             "Step 1:": [],
             "Step 2:": [],
             'Step 3:': [],
+            'Step 4:': [],
+            'Step 5:': [],
             "Biomass stove with boiler": [],
             "Replace boiler with biomass boiler": [],
             "Heating controls (room thermostat and thermostatic radiator valves)": [
@@ -820,6 +822,10 @@ class RetrieveFindMyEpc:
             "recommendations": find_epc_data.get("recommendations", []),
         }
 
+        lodgment_date = find_epc_data.get("Date of certificate", None)
+        if not pd.isnull(lodgment_date):
+            lodgment_date = str(datetime.strptime(str(lodgment_date), "%d %B %Y"))
+
         # We need to add the patch information
         patch = {
             "current-energy-rating": find_epc_data.get("current_epc_rating"),
@@ -827,6 +833,7 @@ class RetrieveFindMyEpc:
             "potential-energy-rating": find_epc_data.get("potential_epc_rating"),
             "potential-energy-efficiency": find_epc_data.get("potential_epc_efficiency"),
             **find_epc_data.get("epc_data", {}),
+            "lodgement-date": lodgment_date
         }
 
         page_source = {

infrastructure/terraform/lambda/ecmk_to_ara/main.tf

@@ -0,0 +1,27 @@
+data "terraform_remote_state" "shared" {
+  backend = "s3"
+  config = {
+    bucket = "assessment-model-terraform-state"
+    key = "env:/${var.stage}/terraform.tfstate"
+    region = "eu-west-2"
+  }
+}
+
+module "lambda" {
+  source = "../../modules/lambda_with_sqs"
+
+  name  = "ecmk_to_ara" #"address2uprn" for example
+  stage = var.stage
+
+  image_uri = local.image_uri
+
+  # Optional: Set maximum_concurrency to limit concurrent SQS-triggered invocations (2-1000)
+  maximum_concurrency = var.maximum_concurrency
+
+  batch_size = var.batch_size
+
+  environment = {
+    STAGE = var.stage
+    LOG_LEVEL = "info"
+  }
+}

infrastructure/terraform/lambda/ecmk_to_ara/provider.tf

@@ -0,0 +1,16 @@
+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 5.0"
+    }
+  }
+
+  backend "s3" {
+    bucket = "ecmk-to-ara-terraform-state"
+    key    = "terraform.tfstate"
+    region = "eu-west-2"
+  }
+
+  required_version = ">= 1.2.0"
+}

infrastructure/terraform/lambda/ecmk_to_ara/variables.tf

@@ -0,0 +1,37 @@
+variable "lambda_name" {
+  type        = string
+  description = "Logical name of the lambda (e.g. address2uprn)"
+}
+
+variable "stage" {
+  description = "Deployment stage (e.g. dev, prod)"
+  type        = string
+}
+variable "ecr_repo_url" {
+  type        = string
+  description = "ECR repository URL (no tag, no digest)"
+}
+
+variable "image_digest" {
+  type        = string
+  description = "Image digest (sha256:...)"
+}
+
+variable "maximum_concurrency" {
+  type        = number
+  default     = 2
+  description = "Maximum number of concurrent Lambda invocations from SQS (2-1000). null = no limit."
+}
+
+variable "batch_size" {
+  type    = number
+  default = 1
+}
+
+locals {
+  image_uri = "${var.ecr_repo_url}@${var.image_digest}"
+}
+
+output "resolved_image_uri" {
+  value = local.image_uri
+}

infrastructure/terraform/shared/main.tf

@@ -538,6 +538,20 @@ module "pashub_to_ara_registry" {
   stage  = var.stage
 }
 
+################################################
+# ECMK to Ara – Lambda
+################################################
+module "ecmk_to_ara_state_bucket" {
+  source      = "../modules/tf_state_bucket"
+  bucket_name = "ecmk-to-ara-terraform-state"
+}
+
+module "ecmk_to_ara_registry" {
+  source = "../modules/container_registry"
+  name   = "ecmk_to_ara"
+  stage  = var.stage
+}
+
 ################################################
 # Engine – Lambda ECR
 ################################################