Model/tests/fixtures/epc_prediction/W104HL/cert-c99dbb94e07d.json

{"uprn": 100022784874, "roofs": [{"description": "Pitched, insulated (assumed)", "energy_efficiency_rating": 3, "environmental_efficiency_rating": 3}], "walls": [{"description": "Solid brick, with internal insulation", "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, "window": {"description": "Full secondary glazing", "energy_efficiency_rating": 2, "environmental_efficiency_rating": 2}, "lighting": {"description": "Excellent lighting efficiency", "energy_efficiency_rating": 5, "environmental_efficiency_rating": 5}, "postcode": "W10 4HL", "hot_water": {"description": "From main system", "energy_efficiency_rating": 4, "environmental_efficiency_rating": 4}, "post_town": "", "psv_count": 0, "built_form": 4, "created_at": "2025-09-22 17:16:01", "door_count": 1, "region_code": 1, "report_type": 2, "sap_heating": {"number_baths": 1, "cylinder_size": 1, "shower_outlets": [{"shower_outlet": {"shower_wwhrs": 1, "shower_outlet_type": 2}}], "number_baths_wwhrs": 0, "water_heating_code": 901, "water_heating_fuel": 26, "cylinder_thermostat": "N", "main_heating_details": [{"has_fghrs": "N", "main_fuel_type": 26, "boiler_flue_type": 1, "fan_flue_present": "Y", "heat_emitter_type": 1, "emitter_temperature": 1, "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": 10243}], "immersion_heating_type": "NA", "has_fixed_air_conditioning": "false"}, "sap_version": 10.2, "sap_windows": [{"pvc_frame": "false", "orientation": 1, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1.8, "quantity": "m"}, "window_height": {"value": 1, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 1, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1.1, "quantity": "m"}, "window_height": {"value": 1.7, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 5, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1.1, "quantity": "m"}, "window_height": {"value": 1.7, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 1, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1, "quantity": "m"}, "window_height": {"value": 1.5, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 3, "window_type": 1, "glazing_type": 4, "window_width": {"value": 0.6, "quantity": "m"}, "window_height": {"value": 0.9, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 1, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1.1, "quantity": "m"}, "window_height": {"value": 1.7, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 5, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1.1, "quantity": "m"}, "window_height": {"value": 1.7, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}, {"pvc_frame": "false", "orientation": 5, "window_type": 1, "glazing_type": 4, "window_width": {"value": 1.1, "quantity": "m"}, "window_height": {"value": 1.7, "quantity": "m"}, "draught_proofed": "false", "window_location": 0, "window_wall_type": 1, "permanent_shutters_present": "N", "permanent_shutters_insulated": "N"}], "schema_type": "RdSAP-Schema-21.0.1", "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": "(not tested)", "energy_efficiency_rating": 0, "environmental_efficiency_rating": 0}, "dwelling_type": "Mid-terrace house", "language_code": 1, "pressure_test": 4, "property_type": 0, "address_line_1": "addr-6f0fdb53aeac", "assessment_type": "RdSAP", "completion_date": "2025-09-22", "inspection_date": "2025-09-04", "extensions_count": 0, "measurement_type": 1, "open_flues_count": 0, "total_floor_area": 74, "transaction_type": 5, "conservatory_type": 1, "heated_room_count": 4, "other_flues_count": 0, "registration_date": "2025-09-22", "sap_energy_source": {"mains_gas": "Y", "meter_type": 2, "pv_connection": 0, "photovoltaic_supply": {"none_or_no_details": {"percent_roof_area": 0}}, "wind_turbines_count": 0, "gas_smart_meter_present": "false", "is_dwelling_export_capable": "false", "wind_turbines_terrain_type": 1, "electricity_smart_meter_present": "false"}, "secondary_heating": {"description": "None", "energy_efficiency_rating": 0, "environmental_efficiency_rating": 0}, "closed_flues_count": 0, "extract_fans_count": 0, "sap_building_parts": [{"identifier": "Main Dwelling", "wall_dry_lined": "N", "wall_thickness": 260, "floor_heat_loss": 7, "roof_construction": 5, "wall_construction": 3, "building_part_number": 1, "sap_floor_dimensions": [{"floor": 0, "room_height": 2.65, "floor_insulation": 1, "total_floor_area": 37.12, "party_wall_length": 16.77, "floor_construction": 2, "heat_loss_perimeter": 12.35}, {"floor": 1, "room_height": 2.72, "total_floor_area": 36.72, "party_wall_length": 16.6, "heat_loss_perimeter": 12.2}], "wall_insulation_type": 3, "construction_age_band": "B", "party_wall_construction": 1, "wall_thickness_measured": "Y", "roof_insulation_location": 4, "roof_insulation_thickness": "NI", "wall_insulation_thickness": "NI"}], "boilers_flues_count": 0, "open_chimneys_count": 0, "solar_water_heating": "N", "habitable_room_count": 4, "heating_cost_current": {"value": 548, "currency": "GBP"}, "insulated_door_count": 0, "co2_emissions_current": 1.8, "energy_rating_average": 60, "energy_rating_current": 72, "lighting_cost_current": {"value": 46, "currency": "GBP"}, "main_heating_controls": [{"description": "Programmer, room thermostat and TRVs", "energy_efficiency_rating": 4, "environmental_efficiency_rating": 4}], "blocked_chimneys_count": 0, "has_hot_water_cylinder": "false", "heating_cost_potential": {"value": 488, "currency": "GBP"}, "hot_water_cost_current": {"value": 286, "currency": "GBP"}, "mechanical_ventilation": 0, "percent_draughtproofed": 0, "schema_version_current": "LIG-21.0", "suggested_improvements": [{"sequence": 1, "typical_saving": 42, "indicative_cost": "\u00a35,000 - \u00a310,000", "improvement_type": "W1", "improvement_details": {"improvement_number": 57}, "improvement_category": 5, "energy_performance_rating": 73, "environmental_impact_rating": 78}, {"sequence": 2, "typical_saving": 18, "indicative_cost": "\u00a3150 - \u00a3250", "improvement_type": "D", "improvement_details": {"improvement_number": 10}, "improvement_category": 5, "energy_performance_rating": 74, "environmental_impact_rating": 79}, {"sequence": 3, "typical_saving": 282, "indicative_cost": "\u00a38,000 - \u00a310,000", "improvement_type": "U", "improvement_details": {"improvement_number": 34}, "improvement_category": 5, "energy_performance_rating": 85, "environmental_impact_rating": 82}], "co2_emissions_potential": 1.4, "energy_rating_potential": 85, "lighting_cost_potential": {"value": 46, "currency": "GBP"}, "schema_version_original": "LIG-21.0", "hot_water_cost_potential": {"value": 286, "currency": "GBP"}, "renewable_heat_incentive": {"water_heating": 2221.19, "space_heating_existing_dwelling": 5084.77}, "draughtproofed_door_count": 0, "energy_consumption_current": 140, "has_fixed_air_conditioning": "false", "multiple_glazed_proportion": 100, "calculation_software_version": "10.2.2.0", "energy_consumption_potential": 104, "environmental_impact_current": 76, "cfl_fixed_lighting_bulbs_count": 0, "current_energy_efficiency_band": "C", "environmental_impact_potential": 82, "led_fixed_lighting_bulbs_count": 10, "has_heated_separate_conservatory": "false", "potential_energy_efficiency_band": "B", "co2_emissions_current_per_floor_area": 24, "incandescent_fixed_lighting_bulbs_count": 0}