{
  "uprn": 12457,
  "roofs": [
    {
      "description": "Pitched, 75 mm loft insulation",
      "energy_efficiency_rating": 3,
      "environmental_efficiency_rating": 3
    }
  ],
  "walls": [
    {
      "description": "Cavity wall, as built, no insulation (assumed)",
      "energy_efficiency_rating": 2,
      "environmental_efficiency_rating": 2
    },
    {
      "description": "Cavity wall, as built, insulated (assumed)",
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "floors": [
    {
      "description": "Suspended, no insulation (assumed)",
      "energy_efficiency_rating": 0,
      "environmental_efficiency_rating": 0
    },
    {
      "description": "To unheated space, limited insulation (assumed)",
      "energy_efficiency_rating": 0,
      "environmental_efficiency_rating": 0
    }
  ],
  "status": "entered",
  "tenure": 1,
  "windows": [
    {
      "description": "Partial double glazing",
      "energy_efficiency_rating": 2,
      "environmental_efficiency_rating": 2
    }
  ],
  "addendum": {
    "cavity_fill_recommended": "true"
  },
  "lighting": {
    "description": "Low energy lighting in 13% of fixed outlets",
    "energy_efficiency_rating": 2,
    "environmental_efficiency_rating": 2
  },
  "postcode": "AA1 1AA",
  "hot_water": {
    "description": "From main system",
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "post_town": "Town",
  "built_form": 1,
  "door_count": 4,
  "glazed_area": 4,
  "region_code": 3,
  "report_type": 2,
  "sap_heating": {
    "wwhrs": {
      "rooms_with_bath_and_or_shower": 3,
      "rooms_with_mixer_shower_no_bath": 0,
      "rooms_with_bath_and_mixer_shower": 3
    },
    "cylinder_size": 4,
    "water_heating_code": 901,
    "water_heating_fuel": 26,
    "cylinder_thermostat": "Y",
    "secondary_fuel_type": 33,
    "main_heating_details": [
      {
        "has_fghrs": "N",
        "main_fuel_type": 26,
        "boiler_flue_type": 2,
        "fan_flue_present": "N",
        "heat_emitter_type": 1,
        "main_heating_number": 1,
        "main_heating_control": 2106,
        "main_heating_category": 2,
        "main_heating_fraction": 0.5,
        "sap_main_heating_code": 101,
        "main_heating_data_source": 2
      },
      {
        "has_fghrs": "N",
        "main_fuel_type": 26,
        "boiler_flue_type": 2,
        "fan_flue_present": "Y",
        "heat_emitter_type": 1,
        "main_heating_number": 2,
        "main_heating_control": 2106,
        "main_heating_category": 2,
        "main_heating_fraction": 0.5,
        "sap_main_heating_code": 101,
        "main_heating_data_source": 2
      }
    ],
    "secondary_heating_type": 631,
    "cylinder_insulation_type": 1,
    "has_fixed_air_conditioning": "false",
    "cylinder_insulation_thickness": 50
  },
  "sap_version": 9.91,
  "sap_windows": [
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 1,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 1,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 0,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 2,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 2,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 2,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 2,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 2,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 2,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 2,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 2,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 2,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 2,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 7,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 4,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 4,
      "window_type": 1,
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      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
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      "window_area": 4,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
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      "orientation": 7,
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      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
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      "u_value": 4.8,
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      "window_area": 1,
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    {
      "u_value": 4.8,
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    {
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      "data_source": 2,
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      "window_area": 1,
      "window_type": 1,
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      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
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      "window_area": 1,
      "window_type": 1,
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
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      "window_location": 0,
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 5,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 5,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 3,
      "window_area": 1,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 3.1,
      "data_source": 2,
      "orientation": 5,
      "window_area": 2,
      "window_type": 1,
      "glazing_type": 3,
      "window_location": 0,
      "solar_transmittance": 0.76
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
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    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 8,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 4.8,
      "data_source": 2,
      "orientation": 5,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 5,
      "window_location": 0,
      "solar_transmittance": 0.85
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 3,
      "window_area": 2,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 3,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 3,
      "window_area": 3,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 7,
      "window_area": 6,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 7,
      "window_area": 8,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 7,
      "window_area": 8,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    },
    {
      "u_value": 2,
      "data_source": 2,
      "orientation": 5,
      "window_area": 9,
      "window_type": 1,
      "glazing_type": 2,
      "window_location": 0,
      "solar_transmittance": 0.72
    }
  ],
  "schema_type": "SAP-Schema-16.2",
  "uprn_source": "Energy Assessor",
  "country_code": "EAW",
  "main_heating": [
    {
      "description": "Boiler and radiators, mains gas",
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    },
    {
      "description": "Boiler and radiators, mains gas",
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "dwelling_type": "Detached house",
  "language_code": 1,
  "property_type": 0,
  "address_line_1": "11, Some Close",
  "address_line_2": "Long Itchington",
  "schema_version": "LIG-16.1",
  "assessment_type": "RdSAP",
  "completion_date": "2013-07-12",
  "inspection_date": "2013-06-27",
  "extensions_count": 2,
  "measurement_type": 1,
  "total_floor_area": 1563,
  "transaction_type": 5,
  "conservatory_type": 2,
  "heated_room_count": 15,
  "registration_date": "2013-07-12",
  "restricted_access": 0,
  "sap_energy_source": {
    "main_gas": "Y",
    "meter_type": 1,
    "photovoltaic_supply": {
      "percent_roof_area": 0
    },
    "wind_turbines_count": 0,
    "wind_turbines_terrain_type": 3
  },
  "secondary_heating": {
    "description": "Room heaters, coal",
    "energy_efficiency_rating": 0,
    "environmental_efficiency_rating": 0
  },
  "lzc_energy_sources": [
    9
  ],
  "sap_building_parts": [
    {
      "identifier": "Main Dwelling",
      "wall_dry_lined": "N",
      "wall_thickness": 320,
      "floor_heat_loss": 7,
      "roof_construction": 4,
      "wall_construction": 4,
      "building_part_number": 1,
      "sap_floor_dimensions": [
        {
          "floor": 0,
          "room_height": 2.52,
          "floor_insulation": 1,
          "total_floor_area": 668.41,
          "floor_construction": 2,
          "heat_loss_perimeter": 96.43
        },
        {
          "floor": 1,
          "room_height": 2.87,
          "total_floor_area": 691.43,
          "heat_loss_perimeter": 106.57
        }
      ],
      "wall_insulation_type": 4,
      "construction_age_band": "C",
      "wall_thickness_measured": "Y",
      "roof_insulation_location": 2,
      "roof_insulation_thickness": "75mm"
    },
    {
      "identifier": "Extension 1",
      "wall_dry_lined": "N",
      "wall_thickness": 500,
      "floor_heat_loss": 7,
      "roof_construction": 5,
      "wall_construction": 4,
      "building_part_number": 2,
      "sap_floor_dimensions": [
        {
          "floor": 0,
          "room_height": 2.54,
          "floor_insulation": 1,
          "total_floor_area": 82.03,
          "floor_construction": 1,
          "heat_loss_perimeter": 34.27
        }
      ],
      "wall_insulation_type": 4,
      "construction_age_band": "H",
      "wall_thickness_measured": "Y",
      "roof_insulation_location": 2,
      "roof_insulation_thickness": "75mm"
    },
    {
      "identifier": "Extension 2",
      "wall_dry_lined": "N",
      "wall_thickness": 280,
      "floor_heat_loss": 2,
      "roof_construction": 4,
      "wall_construction": 4,
      "building_part_number": 3,
      "sap_floor_dimensions": [
        {
          "floor": 0,
          "room_height": 3.21,
          "floor_insulation": 1,
          "total_floor_area": 121.31,
          "floor_construction": 2,
          "heat_loss_perimeter": 37.71
        }
      ],
      "wall_insulation_type": 4,
      "construction_age_band": "H",
      "wall_thickness_measured": "Y",
      "roof_insulation_location": 2,
      "roof_insulation_thickness": "75mm"
    }
  ],
  "low_energy_lighting": 13,
  "solar_water_heating": "N",
  "bedf_revision_number": 340,
  "habitable_room_count": 15,
  "heating_cost_current": {
    "value": 13144,
    "currency": "GBP"
  },
  "insulated_door_count": 0,
  "co2_emissions_current": 78,
  "energy_rating_average": 60,
  "energy_rating_current": 52,
  "lighting_cost_current": {
    "value": 635,
    "currency": "GBP"
  },
  "main_heating_controls": [
    {
      "description": "Programmer, room thermostat and TRVs",
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "multiple_glazing_type": "ND",
  "open_fireplaces_count": 0,
  "has_hot_water_cylinder": "true",
  "heating_cost_potential": {
    "value": 8582,
    "currency": "GBP"
  },
  "hot_water_cost_current": {
    "value": 188,
    "currency": "GBP"
  },
  "mechanical_ventilation": 2,
  "percent_draughtproofed": 0,
  "suggested_improvements": [
    {
      "sequence": 1,
      "typical_saving": {
        "value": 637.67,
        "currency": "GBP"
      },
      "indicative_cost": "£100  -  £350",
      "improvement_type": "A",
      "improvement_details": {
        "improvement_number": 5
      },
      "improvement_category": 5,
      "energy_performance_rating": 55,
      "environmental_impact_rating": 42
    },
    {
      "sequence": 2,
      "typical_saving": {
        "value": 1224.21,
        "currency": "GBP"
      },
      "indicative_cost": "£500  -  £1,500",
      "improvement_type": "B",
      "improvement_details": {
        "improvement_number": 6
      },
      "improvement_category": 5,
      "energy_performance_rating": 59,
      "environmental_impact_rating": 46
    },
    {
      "sequence": 3,
      "typical_saving": {
        "value": 476.28,
        "currency": "GBP"
      },
      "indicative_cost": "£800  -  £1,200",
      "improvement_type": "W",
      "improvement_details": {
        "improvement_number": 47
      },
      "improvement_category": 5,
      "energy_performance_rating": 60,
      "environmental_impact_rating": 48
    },
    {
      "sequence": 4,
      "typical_saving": {
        "value": 787.42,
        "currency": "GBP"
      },
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      "sequence": 5,
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        "value": 234.75,
        "currency": "GBP"
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      "improvement_type": "E",
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    {
      "sequence": 6,
      "typical_saving": {
        "value": 1219.36,
        "currency": "GBP"
      },
      "indicative_cost": "£2,200  -  £3,000",
      "improvement_type": "I",
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    {
      "sequence": 7,
      "typical_saving": {
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        "currency": "GBP"
      },
      "indicative_cost": "£3,300  -  £6,500",
      "improvement_type": "O",
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      "environmental_impact_rating": 58
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  "co2_emissions_potential": 51,
  "energy_rating_potential": 69,
  "lighting_cost_potential": {
    "value": 344,
    "currency": "GBP"
  },
  "hot_water_cost_potential": {
    "value": 151,
    "currency": "GBP"
  },
  "renewable_heat_incentive": {
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    "impact_of_loft_insulation": -12585,
    "impact_of_cavity_insulation": -21982,
    "space_heating_existing_dwelling": 207769
  },
  "seller_commission_report": "Y",
  "energy_consumption_current": 239,
  "has_fixed_air_conditioning": "false",
  "calculation_software_version": "1.4.1.0",
  "energy_consumption_potential": 153,
  "environmental_impact_current": 40,
  "fixed_lighting_outlets_count": 70,
  "current_energy_efficiency_band": "E",
  "environmental_impact_potential": 58,
  "has_heated_separate_conservatory": "false",
  "potential_energy_efficiency_band": "C",
  "co2_emissions_current_per_floor_area": 50,
  "low_energy_fixed_lighting_outlets_count": 9
}