Merge pull request #1428 from Hestia-Homes/test/booth-close-sap-accuracy-corpus

Add UPRN 100020942571 (8 Booth Close) to the SAP accuracy corpus
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Jun-te Kim 2026-07-02 12:51:38 +01:00 committed by GitHub
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{
"uprn": 100020942571,
"roofs": [
{
"description": "(another dwelling above)",
"energy_efficiency_rating": 0,
"environmental_efficiency_rating": 0
}
],
"walls": [
{
"description": "System built, with internal insulation",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
}
],
"floors": [
{
"description": "Solid, no insulation (assumed)",
"energy_efficiency_rating": 0,
"environmental_efficiency_rating": 0
},
{
"description": "To external air, no insulation (assumed)",
"energy_efficiency_rating": 0,
"environmental_efficiency_rating": 0
}
],
"status": "entered",
"tenure": 1,
"window": {
"description": "Fully double glazed",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
},
"lighting": {
"description": "Low energy lighting in all fixed outlets",
"energy_efficiency_rating": 5,
"environmental_efficiency_rating": 5
},
"postcode": "SE28 8BW",
"hot_water": {
"description": "Gas multipoint",
"energy_efficiency_rating": 3,
"environmental_efficiency_rating": 3
},
"post_town": "LONDON",
"built_form": 3,
"created_at": "2019-02-11 19:55:01.000000",
"door_count": 1,
"glazed_area": 1,
"region_code": 17,
"report_type": 2,
"sap_heating": {
"cylinder_size": 1,
"water_heating_code": 908,
"water_heating_fuel": 26,
"instantaneous_wwhrs": {
"rooms_with_bath_and_or_shower": 2,
"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": 2602,
"main_heating_category": 10,
"main_heating_fraction": 1,
"sap_main_heating_code": 691,
"main_heating_data_source": 2
}
],
"immersion_heating_type": "NA",
"has_fixed_air_conditioning": "false"
},
"sap_version": 9.93,
"schema_type": "RdSAP-Schema-18.0",
"uprn_source": "Energy Assessor",
"country_code": "EAW",
"main_heating": [
{
"description": "Room heaters, electric",
"energy_efficiency_rating": 1,
"environmental_efficiency_rating": 2
}
],
"dwelling_type": "Ground-floor maisonette",
"language_code": 1,
"property_type": 3,
"address_line_1": "8, Booth Close",
"assessment_type": "RdSAP",
"completion_date": "2019-02-11",
"inspection_date": "2019-02-09",
"extensions_count": 1,
"measurement_type": 1,
"sap_flat_details": {
"level": 1,
"top_storey": "N",
"flat_location": 0,
"heat_loss_corridor": 0
},
"total_floor_area": 78,
"transaction_type": 8,
"conservatory_type": 1,
"heated_room_count": 4,
"registration_date": "2019-02-11",
"sap_energy_source": {
"mains_gas": "Y",
"meter_type": 2,
"photovoltaic_supply": {
"none_or_no_details": {
"pv_connection": 0,
"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
},
"sap_building_parts": [
{
"identifier": "Main Dwelling",
"wall_dry_lined": "N",
"wall_thickness": 260,
"floor_heat_loss": 7,
"roof_construction": 3,
"wall_construction": 8,
"building_part_number": 1,
"sap_floor_dimensions": [
{
"floor": 0,
"room_height": {
"value": 2.36,
"quantity": "metres"
},
"floor_insulation": 1,
"total_floor_area": {
"value": 36.42,
"quantity": "square metres"
},
"party_wall_length": {
"value": 5.64,
"quantity": "metres"
},
"floor_construction": 1,
"heat_loss_perimeter": {
"value": 19.05,
"quantity": "metres"
}
},
{
"floor": 1,
"room_height": {
"value": 2.24,
"quantity": "metres"
},
"total_floor_area": {
"value": 36.42,
"quantity": "square metres"
},
"party_wall_length": {
"value": 5.64,
"quantity": "metres"
},
"heat_loss_perimeter": {
"value": 12.95,
"quantity": "metres"
}
}
],
"wall_insulation_type": 3,
"construction_age_band": "E",
"party_wall_construction": 0,
"wall_thickness_measured": "Y",
"roof_insulation_location": "ND",
"roof_insulation_thickness": "ND",
"wall_insulation_thickness": "NI",
"floor_insulation_thickness": "NI"
},
{
"identifier": "Extension 1",
"wall_dry_lined": "N",
"wall_thickness": 260,
"floor_heat_loss": 1,
"roof_construction": 3,
"wall_construction": 8,
"building_part_number": 2,
"sap_floor_dimensions": [
{
"floor": 0,
"room_height": {
"value": 2.24,
"quantity": "metres"
},
"floor_insulation": 1,
"total_floor_area": {
"value": 5,
"quantity": "square metres"
},
"party_wall_length": {
"value": 0.82,
"quantity": "metres"
},
"floor_construction": 1,
"heat_loss_perimeter": {
"value": 6.82,
"quantity": "metres"
}
}
],
"wall_insulation_type": 3,
"construction_age_band": "E",
"party_wall_construction": 0,
"wall_thickness_measured": "Y",
"roof_insulation_location": "ND",
"roof_insulation_thickness": "ND",
"wall_insulation_thickness": "NI",
"floor_insulation_thickness": "NI"
}
],
"low_energy_lighting": 100,
"solar_water_heating": "N",
"habitable_room_count": 4,
"heating_cost_current": {
"value": 944,
"currency": "GBP"
},
"insulated_door_count": 0,
"co2_emissions_current": 3.3,
"energy_rating_average": 60,
"energy_rating_current": 50,
"lighting_cost_current": {
"value": 60,
"currency": "GBP"
},
"main_heating_controls": [
{
"description": "Appliance thermostats",
"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": 297,
"currency": "GBP"
},
"hot_water_cost_current": {
"value": 92,
"currency": "GBP"
},
"mechanical_ventilation": 0,
"percent_draughtproofed": 100,
"suggested_improvements": [
{
"sequence": 1,
"typical_saving": {
"value": 122,
"currency": "GBP"
},
"indicative_cost": "6,000",
"improvement_type": "W2",
"improvement_details": {
"improvement_number": 58
},
"improvement_category": 5,
"energy_performance_rating": 55,
"environmental_impact_rating": 63
},
{
"sequence": 2,
"typical_saving": {
"value": 519,
"currency": "GBP"
},
"indicative_cost": "7,000",
"improvement_type": "T",
"improvement_details": {
"improvement_number": 29
},
"improvement_category": 5,
"energy_performance_rating": 77,
"environmental_impact_rating": 77
}
],
"co2_emissions_potential": 1.8,
"energy_rating_potential": 77,
"lighting_cost_potential": {
"value": 60,
"currency": "GBP"
},
"schema_version_original": "LIG-18.0",
"alternative_improvements": [
{
"sequence": 1,
"typical_saving": {
"value": 515,
"currency": "GBP"
},
"improvement_type": "J2",
"improvement_details": {
"improvement_number": 54
},
"improvement_category": 6,
"energy_performance_rating": 78,
"environmental_impact_rating": 96
},
{
"sequence": 2,
"typical_saving": {
"value": 413,
"currency": "GBP"
},
"improvement_type": "Z1",
"improvement_details": {
"improvement_number": 51
},
"improvement_category": 6,
"energy_performance_rating": 77,
"environmental_impact_rating": 79
},
{
"sequence": 3,
"typical_saving": {
"value": 500,
"currency": "GBP"
},
"improvement_type": "Z3",
"improvement_details": {
"improvement_number": 53
},
"improvement_category": 6,
"energy_performance_rating": 76,
"environmental_impact_rating": 73
}
],
"hot_water_cost_potential": {
"value": 97,
"currency": "GBP"
},
"renewable_heat_incentive": {
"water_heating": 1519,
"space_heating_existing_dwelling": 5050
},
"energy_consumption_current": 250,
"has_fixed_air_conditioning": "false",
"multiple_glazed_proportion": 100,
"calculation_software_version": "3.08r09",
"energy_consumption_potential": 134,
"environmental_impact_current": 58,
"fixed_lighting_outlets_count": 6,
"current_energy_efficiency_band": "E",
"environmental_impact_potential": 77,
"has_heated_separate_conservatory": "false",
"potential_energy_efficiency_band": "C",
"co2_emissions_current_per_floor_area": 43,
"low_energy_fixed_lighting_outlets_count": 6
}

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@ -678,6 +678,27 @@ _EXPECTATIONS: Final[tuple[RealCertExpectation, ...]] = (
cert_num="6102-6227-8000-0083-2292",
sap_score=66,
),
# UPRN 100020942571 → cert 0018-2049-6232-4431-6934. RdSAP-Schema-18.0 —
# 8 Booth Close SE28 8BW, an END-TERRACE GROUND-FLOOR MAISONETTE (portfolio
# 814 pid 742121): band E, system-built walls internally insulated, roof
# "another dwelling above", ground+external-air solid floors, 1 extension,
# fully double glazed, ELECTRIC ROOM HEATERS (SAP 691) on a SINGLE-rate meter
# + GAS-MULTIPOINT hot water (no cylinder), mains gas available. Lodged 50;
# engine produces 54. Built in Elmhurst RdSAP10 on the lodged inputs (evidence
# saved: elmhurst_summary.pdf / elmhurst_worksheet.pdf): Elmhurst worksheet
# SAP 53, HTC ~167 W/K — engine 54 = Elmhurst 53 within 1 point → calculator
# faithful. (The first build read 50 only because the reused Elmhurst test
# assessment carried 2 phantom open chimneys + a Dual/10-hour meter; the cert
# lodges open_fireplaces_count=0 and meter_type=2 Single. Cleared → 53.)
# This is the BASELINE pin. The HHRSH recommendation for this dwelling is the
# subject of the storage-heater off-peak-pricing fix (separate PR): engine
# HHRSH 48→73 vs accredited Elmhurst 71. PINNED engine 54.
RealCertExpectation(
schema="RdSAP-Schema-18.0",
sample="uprn_100020942571",
cert_num="0018-2049-6232-4431-6934",
sap_score=54,
),
)