Model/backend/epc_api/json_samples/SAP-Schema-16.0/sap.json
2026-04-09 14:47:54 +01:00

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{
"uprn": 12457,
"roofs": [
{
"description": "(other premises above)",
"energy_efficiency_rating": 0,
"environmental_efficiency_rating": 0
}
],
"walls": [
{
"description": "Average thermal transmittance 0.34 W/m²K",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
}
],
"floors": [
{
"description": "Average thermal transmittance 0.25 W/m²K",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
}
],
"status": "entered",
"windows": {
"description": "Fully double glazed",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
},
"lighting": {
"description": "Low energy lighting in 57% of fixed outlets",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
},
"postcode": "AA1 1AA",
"data_type": 2,
"hot_water": {
"description": "From main system",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
},
"post_town": "Town",
"built_form": 1,
"living_area": 31.53,
"orientation": 0,
"region_code": 17,
"report_type": 3,
"sap_heating": {
"thermal_store": 1,
"has_solar_panel": "false",
"water_fuel_type": 1,
"water_heating_code": 901,
"hot_water_store_size": 145,
"main_heating_details": [
{
"main_fuel_type": 1,
"heat_emitter_type": 1,
"boiler_index_number": 9206,
"is_flue_fan_present": "true",
"main_heating_number": 1,
"main_heating_control": 2106,
"is_interlocked_system": "true",
"main_heating_category": 2,
"main_heating_fraction": 1,
"main_heating_data_source": 1,
"has_delayed_start_thermostat": "false",
"load_or_weather_compensation": 0,
"is_central_heating_pump_in_heated_space": "true"
}
],
"has_hot_water_cylinder": "true",
"has_cylinder_thermostat": "true",
"has_fixed_air_conditioning": "false",
"secondary_heating_category": 1,
"is_cylinder_in_heated_space": "true",
"is_hot_water_separately_timed": "true",
"is_primary_pipework_insulated": "true",
"hot_water_store_insulation_type": 1,
"hot_water_store_heat_loss_source": 3,
"hot_water_store_insulation_thickness": 50
},
"sap_version": 9.9,
"schema_type": "SAP-Schema-16.0",
"uprn_source": "Energy Assessor",
"country_code": "EAW",
"main_heating": [
{
"description": "Boiler and radiators, mains gas",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
}
],
"air_tightness": {
"description": "Air permeability 2.7 m³/h.m² (as tested)",
"energy_efficiency_rating": 5,
"environmental_efficiency_rating": 5
},
"dwelling_type": "Mid-floor flat",
"language_code": 1,
"property_type": 2,
"address_line_1": "28, Place Drive",
"schema_version": "LIG-16.0",
"assessment_date": "2012-09-29",
"assessment_type": "SAP",
"completion_date": "2012-09-29",
"inspection_date": "2012-09-29",
"sap_ventilation": {
"psv_count": 0,
"pressure_test": 1,
"air_permeability": 2.72,
"open_flues_count": 0,
"ventilation_type": 1,
"extract_fans_count": 3,
"open_fireplaces_count": 0,
"sheltered_sides_count": 2,
"flueless_gas_fires_count": 0
},
"sap_data_version": 9.81,
"sap_flat_details": {
"level": 2
},
"total_floor_area": 80,
"transaction_type": 6,
"conservatory_type": 1,
"registration_date": "2012-09-29",
"restricted_access": 0,
"sap_energy_source": {
"electricity_tariff": 1,
"wind_turbines_count": 0,
"wind_turbine_terrain_type": 1,
"fixed_lighting_outlets_count": 7,
"low_energy_fixed_lighting_outlets_count": 4,
"low_energy_fixed_lighting_outlets_percentage": 57
},
"sap_opening_types": [
{
"name": 1,
"type": 2,
"u_value": 2,
"data_source": 2,
"description": "Door",
"glazing_type": 6
},
{
"name": 2,
"type": 4,
"u_value": 1.8,
"data_source": 2,
"description": "Window",
"frame_factor": 0.7,
"glazing_type": 6,
"solar_transmittance": 0.63
}
],
"secondary_heating": {
"description": "None",
"energy_efficiency_rating": 0,
"environmental_efficiency_rating": 0
},
"lzc_energy_sources": [
11
],
"sap_building_parts": [
{
"sap_walls": [
{
"name": "Wall 1",
"u_value": 0.35,
"wall_type": 2,
"description": "Wall 5 render",
"total_wall_area": 58.29,
"is_curtain_walling": "false"
},
{
"name": "Wall 2",
"u_value": 0.27,
"wall_type": 2,
"description": "Wall 2 common area",
"total_wall_area": 9.28,
"is_curtain_walling": "false"
},
{
"name": "Wall 3",
"u_value": 0.35,
"wall_type": 2,
"description": "Wall 3 lift shaft",
"total_wall_area": 8.9,
"is_curtain_walling": "false"
}
],
"identifier": "Main Dwelling",
"overshading": 2,
"sap_openings": [
{
"name": 1,
"type": 1,
"width": 0.91,
"height": 2.1,
"location": "Wall 2",
"orientation": 0
},
{
"name": 2,
"type": 2,
"width": 1.15,
"height": 1.4,
"location": "Wall 1",
"orientation": 6
},
{
"name": 3,
"type": 2,
"width": 0.9,
"height": 1.4,
"location": "Wall 1",
"orientation": 7
},
{
"name": 4,
"type": 2,
"width": 1.3,
"height": 1.4,
"location": "Wall 1",
"orientation": 6
},
{
"name": 5,
"type": 2,
"width": 1.3,
"height": 1.4,
"location": "Wall 1",
"orientation": 5
},
{
"name": 6,
"type": 2,
"width": 1.15,
"height": 1.4,
"location": "Wall 1",
"orientation": 6
},
{
"name": 7,
"type": 2,
"width": 0.55,
"height": 1.05,
"location": "Wall 1",
"orientation": 4
},
{
"name": 8,
"type": 2,
"width": 1.15,
"height": 1.4,
"location": "Wall 1",
"orientation": 4
},
{
"name": 9,
"type": 2,
"width": 1.15,
"height": 1.4,
"location": "Wall 1",
"orientation": 4
},
{
"name": 10,
"type": 2,
"width": 1.3,
"height": 1.05,
"location": "Wall 1",
"orientation": 4
}
],
"construction_year": 2011,
"sap_thermal_bridges": {
"thermal_bridge_code": 4,
"user_defined_y_value": 0.08,
"calculation_reference": "SAP 2005 record"
},
"building_part_number": 1,
"sap_floor_dimensions": [
{
"storey": 1,
"u_value": 0.25,
"floor_type": 4,
"description": "Floor 2",
"storey_height": 2.32,
"heat_loss_area": 5.19,
"total_floor_area": 79.9
}
],
"thermal_mass_parameter": 250
}
],
"bedf_revision_number": 329,
"heating_cost_current": 213,
"co2_emissions_current": 1.3,
"energy_rating_average": 60,
"energy_rating_current": 82,
"lighting_cost_current": 66,
"main_heating_controls": [
{
"description": "Programmer, room thermostat and TRVs",
"energy_efficiency_rating": 4,
"environmental_efficiency_rating": 4
}
],
"has_hot_water_cylinder": "true",
"heating_cost_potential": 215,
"hot_water_cost_current": 94,
"suggested_improvements": [
{
"sequence": 1,
"typical_saving": 18,
"indicative_cost": "£8",
"improvement_type": "E",
"improvement_details": {
"improvement_number": 35
},
"improvement_category": 1,
"energy_performance_rating": 83,
"environmental_impact_rating": 87
}
],
"co2_emissions_potential": 1.3,
"energy_rating_potential": 83,
"lighting_cost_potential": 46,
"hot_water_cost_potential": 94,
"is_in_smoke_control_area": "unknown",
"renewable_heat_incentive": {
"rhi_new_dwelling": {
"space_heating": 1780,
"water_heating": 2306
}
},
"seller_commission_report": "Y",
"energy_consumption_current": 87,
"has_fixed_air_conditioning": "false",
"calculation_software_version": 5.4,
"energy_consumption_potential": 82,
"environmental_impact_current": 86,
"current_energy_efficiency_band": "B",
"environmental_impact_potential": 87,
"has_heated_separate_conservatory": "false",
"potential_energy_efficiency_band": "B",
"co2_emissions_current_per_floor_area": 16
}