Model/backend/epc_api/json_samples/SAP-Schema-16.1/rdsap.json
2026-04-09 14:47:54 +01:00

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{
"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
}