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Khalim Conn-Kowlessar e43ff79c77 S0380.190: derive gas-combi main fuel from §15.0 when §14.0 Fuel Type is empty
The newer Elmhurst Summary export lodges a gas combi as §14.0 "Fuel Type"
empty + "Main Heating SAP Code" 104 (EES "BGW"), with no fuel string. The
site-notes mapper left `main_fuel_type=''`, so `cert_to_inputs` raised
`MissingMainFuelType` — blocking the whole gas-combi Summary path
(reproduced on the simulated 001431 case).

SAP 10.2 Table 4b (PDF p.168) rows 101-119 are "Gas boilers (including
mains gas, LPG and biogas)": the code fixes the boiler type/efficiency but
NOT the carrier, so 104 alone can't distinguish mains gas from LPG. The
disambiguator is §15.0 "Water Heating Fuel Type" — a combi/boiler heats
space + water from one appliance — exactly mirroring the existing
liquid-fuel (codes 120-141) fallback. `_elmhurst_gas_boiler_main_fuel`
adopts the §15.0 carrier only when the SAP code is in 101-119 AND §15.0
resolves to a gas/LPG fuel, so a regular boiler + electric immersion
(§15.0 = "Electricity") still strict-raises rather than mis-billing gas
as electric.

2291 passed (+1), 0 failed; pyright net-zero on both files.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-02 22:23:02 +00:00
.devcontainer pr review, move domain and orhcestration 2026-06-01 14:00:31 +00:00
.github/workflows ddd tests 2026-06-02 15:31:42 +00:00
.idea scaffolding for ml pipeline 2026-05-16 14:15:56 +00:00
.vscode added utils to allow easier subtask management 2026-03-02 15:15:39 +00:00
applications Merge branch 'main' of https://github.com/Hestia-Homes/Model into feature/per-cert-mapper-validation 2026-06-02 16:10:41 +00:00
asset_list Remove EPC and asset_list changes unrelated to SAL handler 2026-05-22 15:36:46 +00:00
backend S0380.185: record CH6 pin-forever proof — distribution-loss is a Summary-export gap 2026-06-02 19:21:28 +00:00
backlog implemented onboarding 2026-04-21 20:23:33 +00:00
datatypes S0380.190: derive gas-combi main fuel from §15.0 when §14.0 Fuel Type is empty 2026-06-02 22:23:02 +00:00
deployment/terraform if you change the descript it destories and make a new one instead of edit 2026-06-02 09:36:31 +00:00
docs Merge branch 'main' of https://github.com/Hestia-Homes/Model into feature/per-cert-mapper-validation 2026-06-02 16:10:41 +00:00
domain docs: handover post S0380.189 — TMP/Table 22 + the two open follow-ups 2026-06-02 22:05:41 +00:00
epr_data_exports allowing carbon and energy otimisation by removing slack 2025-07-31 19:13:16 +01:00
etl booking status 2026-05-28 12:15:37 +00:00
infrastructure Remove EPC and asset_list changes unrelated to SAL handler 2026-06-01 16:39:09 +00:00
model_data/requirements its working the way khalim wanted wiht postcode and then search that 2026-01-22 15:17:13 +00:00
orchestration Merge branch 'main' of https://github.com/Hestia-Homes/Model into feature/per-cert-mapper-validation 2026-06-02 16:10:41 +00:00
recommendations save 2026-05-07 15:55:44 +00:00
repositories Merge branch 'main' of https://github.com/Hestia-Homes/Model into feature/per-cert-mapper-validation 2026-06-02 16:10:41 +00:00
sap worksheets/heating systems examples Add heating-systems corpus PDF fixtures so CI can run the residual pins 2026-06-02 15:38:03 +00:00
scripts Move sap10_calculator tests to tests/domain/sap10_calculator/ for CI 2026-06-02 16:58:00 +00:00
sfr/principal_pitch added added historic epc data class with shape 2026-05-08 12:03:35 +00:00
survey_report quidos site notes extraction 2025-02-18 19:49:29 +00:00
tests S0380.190: derive gas-combi main fuel from §15.0 when §14.0 Fuel Type is empty 2026-06-02 22:23:02 +00:00
utilities get rid of comments 2026-05-20 13:21:11 +00:00
utils rename files in sharepoint to desired structure 2026-05-20 16:26:07 +00:00
.coveragerc fixed unit tests 2023-10-05 16:04:12 +01:00
.dockerignore deployment from infrastructure 2026-05-19 12:55:30 +00:00
.gitignore fixed merge conflicts from main 2026-05-26 11:21:09 +00:00
__init__.py added checking for directory before creation and made some minor style changes 2023-08-25 15:21:17 +01:00
ara_backend_design.md docs(ara): next-agent handover for Property Baseline (SAP calc) + Modelling 2026-06-01 16:20:06 +00:00
BaseUtility.py fixed missing task and subtask for single remote assessments 2025-11-27 17:50:26 +00:00
CLAUDE.md fixed merge conflicts from main 2026-05-26 11:21:09 +00:00
conftest.py working on integrating new EPC api into address2UPRN 2026-04-27 11:32:44 +00:00
CONTEXT.md docs(adr): Bill Derivation (ADR-0014) + calculator goes load-bearing (ADR-0013 amend) 2026-06-02 09:20:50 +00:00
devcontainer.sh add dev container 2026-04-17 14:50:57 +00:00
Dockerfile.test fix: address 22 project-wide test failures from previous sweep 2026-05-26 13:34:51 +00:00
Dockerfile.test.dockerignore deployment from infrastructure 2026-05-19 12:55:30 +00:00
Makefile adding to dev container to create shared network on start up 2026-04-25 15:03:07 +00:00
MEMORY.md memory 2026-04-02 10:24:31 +00:00
package-lock.json restructuring openUrpn code 2023-07-20 11:41:43 +01:00
package.json restructuring openUrpn code 2023-07-20 11:41:43 +01:00
pyproject.toml slice 14a: ml_training_data pkg + sample.py (CSV filter + random sample) 2026-05-16 17:39:43 +00:00
pyrightconfig.json slice 14d: build_features wires bulk reader -> mapper -> EpcMlTransform 2026-05-16 18:38:41 +00:00
pytest.ini test suite to pick it up 2026-06-02 15:33:46 +00:00
README.md adding to dev container to create shared network on start up 2026-04-25 15:03:07 +00:00
run_lambda_local.sh debugging local lambda run and updating the sap point checking condition 2023-09-13 18:47:12 +01:00
serverless.yml added logic to add to serverless 2026-04-22 12:39:44 +00:00
test.requirements.txt tests wrong environemnt 2026-05-29 16:17:06 +00:00
tox.ini removing playright install for integration test 2026-04-30 20:08:13 +00:00
UBIQUITOUS_LANGUAGE.md standardist Address 2026-06-01 16:32:48 +00:00

Model Repository

This repository contains the code pertaining to the development of the data science and machine learning products being utilised by Hestia.

The different folders in this repository relate to services that can be used independently, or can be imported and used as part of a larger application

Getting Started

Prerequisites

Dev Container Setup

This repo uses a Docker Compose-based dev container. The model-backend service joins a shared-dev Docker network so it can communicate with other local services (e.g. a frontend container) running on your machine.

VS Code users: The initializeCommand in devcontainer.json creates the shared-dev network automatically before the container starts. No manual step required — just open the repo and select Reopen in Container.

Non-VS Code / CI workflows: Run the following once before starting the container:

make dev-setup

This is idempotent and safe to re-run if the network already exists.

Folders

backend/

This folder contains the code for the fastapi backend service, which provides an interface to much of the functionality in this repository, for the frontend

model_data/

This folder contains related to the reading and preparation of assessment model data, including pulling out epc attributes

Testing

All tests can be run, against the configuration in pytest.ini running

pytest

This will run the complete panel of tests and report on coverage in the locations specified by the pytest.ini file.

To run tests in a specific service, e.g. inside of model_data, simply run

pytest --cov-config=model_data/.coveragerc --cov=model_data

This will produce the test results and coverage reports