{
  "uprn": 12457,
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    {
      "description": "Average thermal transmittance 0.14 W/m²K",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "walls": [
    {
      "description": "Average thermal transmittance 0.17 W/m²K",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "floors": [
    {
      "description": "Average thermal transmittance 0.13 W/m²K",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "status": "entered",
  "windows": {
    "description": "High performance glazing",
    "energy_efficiency_rating": 5,
    "environmental_efficiency_rating": 5
  },
  "lighting": {
    "description": "Low energy lighting in all fixed outlets",
    "energy_efficiency_rating": 5,
    "environmental_efficiency_rating": 5
  },
  "postcode": "AA1 1AA",
  "data_type": 2,
  "hot_water": {
    "description": "From main system, plus solar",
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 5
  },
  "post_town": "Town",
  "built_form": 1,
  "living_area": 44.4,
  "orientation": 0,
  "region_code": 16,
  "report_type": 3,
  "sap_heating": {
    "has_solar_panel": "true",
    "water_fuel_type": 39,
    "solar_store_volume": 100,
    "water_heating_code": 901,
    "secondary_fuel_type": 20,
    "hot_water_store_size": 300,
    "main_heating_details": [
      {
        "main_fuel_type": 39,
        "heat_emitter_type": 2,
        "main_heating_code": 201,
        "main_heating_number": 1,
        "main_heating_control": 2207,
        "main_heating_category": 4,
        "main_heating_fraction": 1,
        "main_heating_data_source": 3,
        "has_delayed_start_thermostat": "false",
        "load_or_weather_compensation": 0,
        "underfloor_heat_emitter_type": 2,
        "is_main_heating_hetas_approved": "false",
        "is_central_heating_pump_in_heated_space": "true"
      }
    ],
    "has_hot_water_cylinder": "true",
    "has_solar_powered_pump": "false",
    "secondary_heating_code": 633,
    "has_cylinder_thermostat": "true",
    "solar_panel_aperture_area": 5.26,
    "has_fixed_air_conditioning": "false",
    "secondary_heating_category": 10,
    "solar_panel_collector_type": 3,
    "is_cylinder_in_heated_space": "true",
    "solar_panel_collector_pitch": 3,
    "is_hot_water_separately_timed": "true",
    "is_primary_pipework_insulated": "true",
    "secondary_heating_data_source": 3,
    "hot_water_store_insulation_type": 1,
    "hot_water_store_heat_loss_source": 3,
    "is_solar_store_combined_cylinder": "true",
    "solar_panel_collector_data_source": 2,
    "solar_panel_collector_orientation": 3,
    "solar_panel_collector_overshading": 1,
    "is_heat_pump_assisted_by_immersion": "false",
    "is_secondary_heating_hetas_approved": "false",
    "hot_water_store_insulation_thickness": 80,
    "solar_panel_collector_heat_loss_rate": 3,
    "solar_panel_collector_zero_loss_efficiency": 60
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  "sap_version": 9.9,
  "schema_type": "SAP-Schema-16.2",
  "uprn_source": "Energy Assessor",
  "country_code": "EAW",
  "main_heating": [
    {
      "description": "Ground source heat pump, underfloor, electric",
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 5
    }
  ],
  "air_tightness": {
    "description": "Air permeability 6.4 m³/h.m² (as tested)",
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "dwelling_type": "Detached house",
  "language_code": 1,
  "property_type": 0,
  "address_line_1": "17, Street Terrace",
  "schema_version": "LIG-16.0",
  "assessment_date": "2013-02-06",
  "assessment_type": "SAP",
  "completion_date": "2013-02-06",
  "inspection_date": "2013-02-06",
  "sap_ventilation": {
    "psv_count": 0,
    "pressure_test": 1,
    "air_permeability": 6.373,
    "open_flues_count": 0,
    "ventilation_type": 1,
    "extract_fans_count": 9,
    "open_fireplaces_count": 0,
    "sheltered_sides_count": 0,
    "flueless_gas_fires_count": 0
  },
  "total_floor_area": 709,
  "transaction_type": 6,
  "conservatory_type": 1,
  "registration_date": "2013-02-06",
  "restricted_access": 0,
  "sap_energy_source": {
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      {
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        "peak_power": 3.6,
        "orientation": 5,
        "overshading": 1
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    "electricity_tariff": 1,
    "wind_turbines_count": 0,
    "wind_turbine_terrain_type": 3,
    "fixed_lighting_outlets_count": 40,
    "low_energy_fixed_lighting_outlets_count": 40,
    "low_energy_fixed_lighting_outlets_percentage": 100
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    {
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    {
      "name": 11,
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    {
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    {
      "name": 13,
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    {
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    {
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    {
      "name": 17,
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    {
      "name": 18,
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      "glazing_type": 6,
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      "name": 23,
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      "description": "W24A",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 24,
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      "u_value": 1.4,
      "data_source": 2,
      "description": "W38",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 25,
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      "description": "W39",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 27,
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      "description": "W41",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 28,
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      "u_value": 1.4,
      "data_source": 2,
      "description": "W42",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 29,
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      "description": "W1A",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "glazing_type": 6,
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      "glazing_type": 6,
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 36,
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      "name": 37,
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      "name": 38,
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      "name": 40,
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      "solar_transmittance": 0.63
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 43,
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      "description": "D1",
      "glazing_type": 6
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      "u_value": 1.4,
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      "glazing_type": 6
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      "name": 46,
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      "u_value": 1.4,
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      "description": "W9",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 47,
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      "u_value": 1.4,
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      "description": "W29",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 48,
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      "u_value": 1.4,
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      "description": "W28",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 49,
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      "description": "W13",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 50,
      "type": 4,
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      "description": "W9A",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 51,
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      "u_value": 1.4,
      "data_source": 2,
      "description": "W15",
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      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 52,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WF",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 53,
      "type": 4,
      "u_value": 1.4,
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      "description": "WG",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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      "name": 54,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WH",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 55,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WI",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 56,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WJ",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 57,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "W30A",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 58,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "W31A",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 59,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WLL",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 60,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WMM",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 61,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WAA",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 62,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WBB",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 63,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WCC",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 64,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WDD",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
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    {
      "name": 65,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WO",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 66,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WP",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 67,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "WQ",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 68,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "W1",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 69,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "W10",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 70,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "W2",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 71,
      "type": 4,
      "u_value": 1.4,
      "data_source": 2,
      "description": "W3",
      "frame_factor": 0.7,
      "glazing_type": 6,
      "solar_transmittance": 0.63
    },
    {
      "name": 72,
      "type": 4,
      "u_value": 1.4,
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