diff --git a/.idea/Model.iml b/.idea/Model.iml
index df6c4faa..0e963140 100644
--- a/.idea/Model.iml
+++ b/.idea/Model.iml
@@ -7,7 +7,7 @@
       <sourceFolder url="file://$MODULE_DIR$/open_uprn" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/recommendations" isTestSource="false" />
     </content>
-    <orderEntry type="jdk" jdkName="Fastapi-backend" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Route-March" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
   <component name="PyNamespacePackagesService">
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 50cad4ca..35513387 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,7 +3,7 @@
   <component name="Black">
     <option name="sdkName" value="Python 3.10 (backend)" />
   </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Fastapi-backend" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Route-March" project-jdk-type="Python SDK" />
   <component name="PyCharmProfessionalAdvertiser">
     <option name="shown" value="true" />
   </component>
diff --git a/backend/SearchEpc.py b/backend/SearchEpc.py
index f9e978c6..2d658c04 100644
--- a/backend/SearchEpc.py
+++ b/backend/SearchEpc.py
@@ -2,6 +2,7 @@ import os
 import time
 import re
 
+from urllib.parse import urlencode
 import usaddress
 import pandas as pd
 import numpy as np
@@ -257,6 +258,8 @@ class SearchEpc:
                 params = {"address": self.address1, "postcode": self.postcode}
 
         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:
diff --git a/etl/route_march/oo_prs_additional_units/oo_prs_additional_units.py b/etl/route_march/oo_prs_additional_units/oo_prs_additional_units.py
new file mode 100644
index 00000000..3bd87a8c
--- /dev/null
+++ b/etl/route_march/oo_prs_additional_units/oo_prs_additional_units.py
@@ -0,0 +1,240 @@
+import os
+import pandas as pd
+import numpy as np
+from tqdm import tqdm
+from dotenv import load_dotenv
+from urllib.parse import urlencode
+from epc_api.client import EpcClient
+from utils.logger import setup_logger
+from etl.epc_clean.epc_attributes.RoofAttributes import RoofAttributes
+
+from recommendations.recommendation_utils import (
+    estimate_perimeter,
+    estimate_external_wall_area,
+    estimate_number_of_floors
+)
+
+logger = setup_logger()
+load_dotenv(dotenv_path="backend/.env")
+EPC_AUTH_TOKEN = os.getenv("EPC_AUTH_TOKEN")
+
+CONFIG = [
+    {
+        "filepath": "/Users/khalimconn-kowlessar/Documents/hestia/Route Marches/Surveyors Sites for Week Commencing "
+                    "11.11.2024.xlsx",
+        "tab": "SETTLE GBIS x 242 ",
+        "postcode_column": "Postcode",
+    },
+    {
+        "filepath": "/Users/khalimconn-kowlessar/Documents/hestia/Route Marches/Surveyors Sites for Week Commencing "
+                    "11.11.2024.xlsx",
+        "tab": "ACIS GBIS x 76",
+        "postcode_column": "Postcode",
+    },
+    {
+        "filepath": "/Users/khalimconn-kowlessar/Documents/hestia/Route Marches/Surveyors Sites for Week Commencing "
+                    "11.11.2024.xlsx",
+        "tab": "SOUTHERN GBIS x 150",
+        "postcode_column": "Postcode",
+    },
+    {
+        "filepath": "/Users/khalimconn-kowlessar/Documents/hestia/Route Marches/Surveyors Sites for Week Commencing "
+                    "11.11.2024.xlsx",
+        "tab": "COMMUNITY HOUSING GBIS x 199",
+        "postcode_column": "Postcode",
+    },
+    {
+        "filepath": "/Users/khalimconn-kowlessar/Documents/hestia/Route Marches/Surveyors Sites for Week Commencing "
+                    "11.11.2024.xlsx",
+        "tab": "EASTLIGHT GBIS x 42",
+        "postcode_column": "Postcode",
+    },
+]
+
+CAVITY_WALL_DESCRIPTIONS = [
+    "Cavity wall, as built, no insulation (assumed)",
+    "Cavity wall, as built, partial insulation (assumed)",
+    "Cavity wall, as built, insulated (assumed)",
+    "Cavity wall, with internal insulation",
+    "Cavity wall, with external insulation",
+]
+
+ROOF_DESCRIPTIONS = [
+    "Pitched, no insulation",
+    "Pitched, no insulation (assumed)",
+    "Pitched, 25 mm loft insulation",
+    "Pitched, 50 mm loft insulation",
+    "Pitched, 75 mm loft insulation",
+    "Pitched, 100 mm loft insulation",
+    "Pitched, 150 mm loft insulation",
+    "Pitched, limited insulation (assumed)",
+    "Pitched, insulated (assumed)",
+]
+
+SOCIAL_TENURES = ["Rented (social)", "rental (social)"]
+
+
+def process_postcode_epcs(postcode, client):
+    params = {"postcode": postcode.rstrip().lstrip()}
+    url = os.path.join(client.domestic.host, "search") + "?" + urlencode({"size": 1000})
+    response = client.domestic.call(method="get", url=url, params=params)
+    if "rows" not in response:
+        logger.warning("No EPCs found for postcode %s", postcode)
+        return pd.DataFrame()
+    postcode_epcs = pd.DataFrame(response["rows"])
+
+    # Processing code here
+    postcode_epcs["uprn"] = np.where(
+        pd.isnull(postcode_epcs["uprn"]),
+        postcode_epcs["address"],
+        postcode_epcs["uprn"]
+    )
+    postcode_epcs = postcode_epcs.sort_values("lodgement-date", ascending=False)
+    postcode_epcs = postcode_epcs.drop_duplicates("uprn", keep="first")
+    return postcode_epcs
+
+
+def filter_and_prepare_epcs(epcs):
+    epcs["Is Cavity Property"] = epcs["walls-description"].isin(CAVITY_WALL_DESCRIPTIONS) & (
+        epcs["current-energy-efficiency"].astype(int) <= 72
+    )
+    epcs["Solar and Loft"] = (
+                                 epcs["roof-description"].isin(ROOF_DESCRIPTIONS)
+                             ) & (
+                                 epcs["photo-supply"].isin(["0", "", "0.0"])
+                             ) & (
+                                 epcs["current-energy-efficiency"].astype(int) <= 68
+                             )
+    epcs = epcs[epcs["Is Cavity Property"] | epcs["Solar and Loft"]]
+    epcs = epcs[~epcs["tenure"].isin(SOCIAL_TENURES)]
+    return epcs
+
+
+def rename_and_add_columns(epcs):
+    # Retrieve just the data we need
+    epcs = epcs[
+        [
+            "uprn",
+            "address",
+            "postcode",
+            "property-type",
+            "built-form",
+            "inspection-date",
+            "current-energy-rating",
+            "current-energy-efficiency",
+            "roof-description",
+            "walls-description",
+            "transaction-type",
+            # New fields needed
+            "secondheat-description",
+            "total-floor-area",
+            "construction-age-band",
+            "floor-height",
+            "number-habitable-rooms",
+            "mainheat-description",
+            #
+            "energy-consumption-current",  # kwh/m2
+            "tenure",
+            "Is Cavity Property",
+            "Solar and Loft",
+        ]
+    ]
+
+    epcs = epcs.rename(
+        columns={
+            "address": "Address",
+            "postcode": "Postcode",
+            "inspection-date": "Date of last EPC",
+            "current-energy-efficiency": "SAP score on register",
+            "current-energy-rating": "EPC rating on register",
+            "property-type": "Property Type",
+            "built-form": "Archetype",
+            "total-floor-area": "Property Floor Area",
+            "construction-age-band": "Property Age Band",
+            "floor-height": "Property Floor Height",
+            "number-habitable-rooms": "Number of Habitable Rooms",
+            "walls-description": "Wall Construction",
+            "roof-description": "Roof Construction",
+            "mainheat-description": "Heating Type",
+            "secondheat-description": "Secondary Heating",
+            "transaction-type": "Reason for last EPC",
+            "energy-consumption-current": "Heat Demand (kWh/m2)",
+            "tenure": "Tenure"
+        }
+    )
+
+    epcs["Number of Habitable Rooms"] = epcs["Number of Habitable Rooms"].astype(int)
+    epcs["Property Floor Area"] = epcs["Property Floor Area"].astype(float)
+
+    # Add additional columns as in your original code
+    epcs["Estimated Number of Floors"] = epcs.apply(
+        lambda x: estimate_number_of_floors(x["Property Type"]) if pd.notnull(x["Property Type"]) else None, axis=1
+    )
+
+    epcs["Estimated Perimeter (m)"] = epcs.apply(
+        lambda x: estimate_perimeter(
+            x["Property Floor Area"] / x["Estimated Number of Floors"],
+            x["Number of Habitable Rooms"] / x["Estimated Number of Floors"]
+        ), axis=1
+    )
+    epcs["Estimated Heat Loss Perimeter (m2)"] = epcs.apply(
+        lambda x: estimate_external_wall_area(
+            x["Estimated Number of Floors"],
+            float(x["Property Floor Height"]) if x["Property Floor Height"] else 2.4,
+            x["Estimated Perimeter (m)"],
+            x["Archetype"]
+        ), axis=1
+    )
+    epcs["Roof Insulation Thickness"] = epcs.apply(
+        lambda x: RoofAttributes(description=x["Roof Construction"]).process()[
+            "insulation_thickness"] if pd.notnull(x["Roof Construction"]) else None,
+        axis=1
+    )
+    return epcs
+
+
+def main():
+    """
+    This application is used to identify additional units that are private rentals or owner occupies that can be
+    included in the route marches
+
+    Required inputs are the following:
+    - An excel file that contains one or many tabs that include the addresses to be visited
+    """
+
+    # This should be set:
+    output_filepath = (
+        "/Users/khalimconn-kowlessar/Documents/hestia/Route Marches/PRS and OO properties - WC 11.11.2024.xlsx"
+    )
+    client = EpcClient(auth_token=EPC_AUTH_TOKEN)
+    writer = pd.ExcelWriter(output_filepath, engine="xlsxwriter")
+
+    for config in CONFIG:
+        logger.info("Processing %s", config["tab"])
+        # Read in the data
+        route_march_addresses = pd.read_excel(
+            config["filepath"],
+            sheet_name=config["tab"],
+            engine="openpyxl"
+        )
+
+        postcodes = route_march_addresses[config["postcode_column"]].unique()
+
+        epcs = []
+        for postcode in tqdm(postcodes):
+            postcode_epcs = process_postcode_epcs(postcode, client)
+            if postcode_epcs.empty:
+                continue
+            epcs.append(postcode_epcs)
+
+        # Concatenate all postcodes' data and filter it
+        epcs = pd.concat(epcs)
+        epcs = filter_and_prepare_epcs(epcs)
+        epcs = rename_and_add_columns(epcs)
+
+        sheet_name = config["tab"][:31]  # Excel sheet names max length of 31 characters
+        epcs.to_excel(writer, sheet_name=sheet_name, index=False)
+
+    # Save and close the writer outside the loop
+    writer.close()
+    logger.info("Data successfully written to %s", output_filepath)
diff --git a/etl/route_march/oo_prs_additional_units/requirements.txt b/etl/route_march/oo_prs_additional_units/requirements.txt
new file mode 100644
index 00000000..e2f4832c
--- /dev/null
+++ b/etl/route_march/oo_prs_additional_units/requirements.txt
@@ -0,0 +1,10 @@
+openpyxl
+epc-api-python==1.0.2
+numpy==2.1.2
+pandas==2.2.3
+usaddress==0.5.11
+fuzzywuzzy==0.18.0
+boto3==1.35.44
+python-dotenv
+tqdm
+xlsxwriter
\ No newline at end of file