{
  "uprn": 12457,
  "roofs": [
    {
      "description": {"value": "Pitched, 100 mm loft insulation", "language": "1"},
      "energy_efficiency_rating": 3,
      "environmental_efficiency_rating": 3
    },
    {
      "description": {"value": "Flat, insulated", "language": "1"},
      "energy_efficiency_rating": 3,
      "environmental_efficiency_rating": 3
    },
    {
      "description": {"value": "Roof room(s), insulated (assumed)", "language": "1"},
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "walls": [
    {
      "description": {"value": "Solid brick, as built, no insulation (assumed)", "language": "1"},
      "energy_efficiency_rating": 1,
      "environmental_efficiency_rating": 1
    }
  ],
  "floors": [
    {
      "description": {"value": "Solid, no insulation (assumed)", "language": "1"},
      "energy_efficiency_rating": 0,
      "environmental_efficiency_rating": 0
    }
  ],
  "status": "entered",
  "tenure": 1,
  "window": {
    "description": {"value": "Fully double glazed", "language": "1"},
    "energy_efficiency_rating": 3,
    "environmental_efficiency_rating": 3
  },
  "lighting": {
    "description": {"value": "Low energy lighting in 67% of fixed outlets", "language": "1"},
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "postcode": "PT11 4RF",
  "hot_water": {
    "description": {"value": "From main system", "language": "1"},
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "post_town": "POSTTOWN",
  "built_form": 4,
  "door_count": 2,
  "glazed_area": 1,
  "glazing_gap": 12,
  "region_code": 1,
  "report_type": 2,
  "sap_heating": {
    "cylinder_size": 1,
    "water_heating_code": 901,
    "water_heating_fuel": 26,
    "instantaneous_wwhrs": {
      "rooms_with_bath_and_or_shower": 1,
      "rooms_with_mixer_shower_no_bath": 0,
      "rooms_with_bath_and_mixer_shower": 0
    },
    "main_heating_details": [
      {
        "has_fghrs": "N",
        "main_fuel_type": 26,
        "boiler_flue_type": 2,
        "heat_emitter_type": 1,
        "emitter_temperature": 0,
        "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": 16137
      }
    ],
    "immersion_heating_type": "NA",
    "has_fixed_air_conditioning": "false"
  },
  "sap_version": 9.92,
  "schema_type": "RdSAP-Schema-18.0",
  "uprn_source": "Energy Assessor",
  "country_code": "EAW",
  "main_heating": [
    {
      "description": {"value": "Boiler and radiators, mains gas", "language": "1"},
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "dwelling_type": {"value": "Mid-terrace house", "language": "1"},
  "language_code": 1,
  "property_type": 0,
  "address_line_1": "1, Bagshot Lane",
  "address_line_2": "Village",
  "assessment_type": "RdSAP",
  "completion_date": "2017-03-19",
  "inspection_date": "2017-03-19",
  "extensions_count": 1,
  "measurement_type": 1,
  "total_floor_area": 93,
  "transaction_type": 5,
  "conservatory_type": 1,
  "heated_room_count": 5,
  "pvc_window_frames": "true",
  "registration_date": "2017-03-19",
  "sap_energy_source": {
    "mains_gas": "Y",
    "meter_type": 1,
    "photovoltaic_supply": {
      "none_or_no_details": {"pv_connection": 0, "percent_roof_area": 0}
    },
    "wind_turbines_count": 0,
    "wind_turbines_terrain_type": 2
  },
  "secondary_heating": {
    "description": {"value": "None", "language": "1"},
    "energy_efficiency_rating": 0,
    "environmental_efficiency_rating": 0
  },
  "lzc_energy_sources": [11],
  "sap_building_parts": [
    {
      "identifier": "Main Dwelling",
      "wall_dry_lined": "N",
      "wall_thickness": 330,
      "floor_heat_loss": 7,
      "sap_room_in_roof": {
        "floor_area": {"value": 9, "quantity": "square metres"},
        "insulation": "AB",
        "roof_room_connected": "N",
        "construction_age_band": "G"
      },
      "roof_construction": 4,
      "wall_construction": 3,
      "building_part_number": 1,
      "sap_floor_dimensions": [
        {
          "floor": 0,
          "room_height": {"value": 2.4, "quantity": "metres"},
          "floor_insulation": 1,
          "total_floor_area": {"value": 29.12, "quantity": "square metres"},
          "party_wall_length": {"value": 11.2, "quantity": "metres"},
          "floor_construction": 1,
          "heat_loss_perimeter": {"value": 5.2, "quantity": "metres"}
        }
      ],
      "wall_insulation_type": 4,
      "construction_age_band": "C",
      "party_wall_construction": 0,
      "wall_thickness_measured": "Y",
      "roof_insulation_location": 2,
      "roof_insulation_thickness": "100mm",
      "wall_insulation_thickness": "NI"
    },
    {
      "identifier": "Extension",
      "wall_dry_lined": "N",
      "wall_thickness": 290,
      "floor_heat_loss": 7,
      "roof_construction": 1,
      "wall_construction": 4,
      "building_part_number": 2,
      "sap_floor_dimensions": [
        {
          "floor": 0,
          "room_height": {"value": 2.4, "quantity": "metres"},
          "floor_insulation": 1,
          "total_floor_area": {"value": 15.6, "quantity": "square metres"},
          "party_wall_length": {"value": 6, "quantity": "metres"},
          "floor_construction": 1,
          "heat_loss_perimeter": {"value": 5.2, "quantity": "metres"}
        }
      ],
      "wall_insulation_type": 4,
      "construction_age_band": "G",
      "party_wall_construction": 0,
      "wall_thickness_measured": "Y",
      "roof_insulation_location": 6,
      "roof_insulation_thickness": "NI",
      "wall_insulation_thickness": "NI",
      "flat_roof_insulation_thickness": "NI"
    }
  ],
  "low_energy_lighting": 67,
  "solar_water_heating": "N",
  "habitable_room_count": 5,
  "heating_cost_current": {"value": 619, "currency": "GBP"},
  "insulated_door_count": 0,
  "co2_emissions_current": 3.4,
  "energy_rating_average": 60,
  "energy_rating_current": 69,
  "lighting_cost_current": {"value": 81, "currency": "GBP"},
  "main_heating_controls": [
    {
      "description": {"value": "Programmer, room thermostat and TRVs", "language": "1"},
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "multiple_glazing_type": 3,
  "open_fireplaces_count": 0,
  "has_hot_water_cylinder": "false",
  "heating_cost_potential": {"value": 534, "currency": "GBP"},
  "hot_water_cost_current": {"value": 100, "currency": "GBP"},
  "mechanical_ventilation": 0,
  "percent_draughtproofed": 100,
  "suggested_improvements": [
    {
      "sequence": 1,
      "typical_saving": {"value": 88, "currency": "GBP"},
      "indicative_cost": "£4,000 - £14,000",
      "improvement_type": "Q",
      "improvement_details": {"improvement_number": 7},
      "improvement_category": 5,
      "energy_performance_rating": 72,
      "environmental_impact_rating": 71
    }
  ],
  "co2_emissions_potential": 1.7,
  "energy_rating_potential": 85,
  "lighting_cost_potential": {"value": 61, "currency": "GBP"},
  "schema_version_original": "LIG-17.0",
  "hot_water_cost_potential": {"value": 68, "currency": "GBP"},
  "renewable_heat_incentive": {
    "water_heating": 2087,
    "impact_of_loft_insulation": -214,
    "impact_of_solid_wall_insulation": -1864,
    "space_heating_existing_dwelling": 10483
  },
  "energy_consumption_current": 230,
  "has_fixed_air_conditioning": "false",
  "multiple_glazed_proportion": 100,
  "calculation_software_version": "2.0.0.0",
  "energy_consumption_potential": 115,
  "environmental_impact_current": 66,
  "fixed_lighting_outlets_count": 9,
  "current_energy_efficiency_band": "C",
  "environmental_impact_potential": 83,
  "has_heated_separate_conservatory": "false",
  "potential_energy_efficiency_band": "B",
  "co2_emissions_current_per_floor_area": 41,
  "low_energy_fixed_lighting_outlets_count": 6
}