{
  "uprn": 12457,
  "roofs": [
    {
      "description": "Average thermal transmittance 0.12 W/m²K",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "walls": [
    {
      "description": "Average thermal transmittance 0.28 W/m²K",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "floors": [
    {
      "description": "Average thermal transmittance 0.17 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",
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "post_town": "Town",
  "built_form": 4,
  "living_area": 20.15,
  "orientation": 7,
  "region_code": 3,
  "report_type": 3,
  "sap_heating": {
    "thermal_store": 1,
    "has_solar_panel": "false",
    "water_fuel_type": 1,
    "water_heating_code": 901,
    "hot_water_store_size": 180,
    "main_heating_details": [
      {
        "burner_control": 3,
        "main_fuel_type": 1,
        "heat_emitter_type": 1,
        "boiler_index_number": 16179,
        "is_flue_fan_present": "true",
        "main_heating_number": 1,
        "main_heating_control": 2110,
        "is_interlocked_system": "true",
        "main_heating_category": 2,
        "main_heating_fraction": 1,
        "main_heating_flue_type": 2,
        "main_heating_data_source": 1,
        "has_delayed_start_thermostat": "true",
        "load_or_weather_compensation": 2,
        "is_central_heating_pump_in_heated_space": "true"
      }
    ],
    "has_hot_water_cylinder": "true",
    "has_cylinder_thermostat": "true",
    "hot_water_store_heat_loss": 1.63,
    "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_heat_loss_source": 2
  },
  "sap_version": 9.9,
  "schema_type": "SAP-Schema-16.3",
  "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 3.9 m³/h.m² (assumed)",
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "dwelling_type": "Mid-terrace house",
  "language_code": 1,
  "property_type": 0,
  "address_line_1": "17, Street Terrace",
  "schema_version": "LIG-16.0",
  "assessment_date": "2014-04-04",
  "assessment_type": "SAP",
  "completion_date": "2014-04-04",
  "inspection_date": "2014-04-04",
  "sap_ventilation": {
    "psv_count": 0,
    "pressure_test": 1,
    "air_permeability": 3.89,
    "open_flues_count": 0,
    "ventilation_type": 1,
    "extract_fans_count": 3,
    "open_fireplaces_count": 0,
    "sheltered_sides_count": 2,
    "flueless_gas_fires_count": 0
  },
  "design_water_use": 1,
  "total_floor_area": 96,
  "transaction_type": 6,
  "conservatory_type": 1,
  "registration_date": "2014-04-05",
  "restricted_access": 0,
  "sap_energy_source": {
    "electricity_tariff": 1,
    "wind_turbines_count": 0,
    "wind_turbine_terrain_type": 1,
    "fixed_lighting_outlets_count": 16,
    "low_energy_fixed_lighting_outlets_count": 16,
    "low_energy_fixed_lighting_outlets_percentage": 100
  },
  "sap_opening_types": [
    {
      "name": "Doors (1)",
      "type": 1,
      "u_value": 1.4,
      "data_source": 3,
      "glazing_type": 1
    },
    {
      "name": "Doors (2)",
      "type": 1,
      "u_value": 1.5,
      "data_source": 2,
      "glazing_type": 1
    },
    {
      "name": "Windows (1)",
      "type": 4,
      "u_value": 1.5,
      "data_source": 2,
      "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": [
    9
  ],
  "sap_building_parts": [
    {
      "sap_roofs": [
        {
          "name": "Roof (1)",
          "u_value": 0.11,
          "roof_type": 2,
          "description": "Pitched roof insulation at ceiling level",
          "kappa_value": 8.75,
          "total_roof_area": 41.96
        },
        {
          "name": "Roof (2)",
          "u_value": 0.2,
          "roof_type": 2,
          "description": "Flat roof - internal insulation",
          "kappa_value": 8.75,
          "total_roof_area": 4.69
        }
      ],
      "sap_walls": [
        {
          "name": "Walls (1)",
          "u_value": 0.29,
          "wall_type": 2,
          "description": "Masonry cavity wall",
          "kappa_value": 46.25,
          "total_wall_area": 26.5,
          "is_curtain_walling": "false"
        },
        {
          "name": "Walls (2)",
          "u_value": 0.28,
          "wall_type": 2,
          "description": "Timber frame wall",
          "kappa_value": 8.75,
          "total_wall_area": 48,
          "is_curtain_walling": "false"
        },
        {
          "name": "Walls (3)",
          "u_value": 0.22,
          "wall_type": 3,
          "description": "Insulated wall to garage",
          "kappa_value": 8.75,
          "total_wall_area": 7.29,
          "is_curtain_walling": "false"
        },
        {
          "name": "Party wall (1)",
          "u_value": 0,
          "wall_type": 4,
          "kappa_value": 17.5,
          "total_wall_area": 48.6
        }
      ],
      "identifier": "Main Dwelling",
      "overshading": 2,
      "sap_openings": [
        {
          "name": 1,
          "type": "Doors (2)",
          "width": 2.69,
          "height": 2.1,
          "location": "Walls (2)",
          "orientation": 7
        },
        {
          "name": 2,
          "type": "Windows (1)",
          "width": 0.46,
          "height": 1.88,
          "location": "Walls (2)",
          "orientation": 7
        },
        {
          "name": 3,
          "type": "Windows (1)",
          "width": 0.67,
          "height": 0.9,
          "location": "Walls (2)",
          "orientation": 3
        },
        {
          "name": 4,
          "type": "Windows (1)",
          "width": 0.46,
          "height": 1.88,
          "location": "Walls (2)",
          "orientation": 7
        },
        {
          "name": 5,
          "type": "Windows (1)",
          "width": 1.45,
          "height": 1.35,
          "location": "Walls (2)",
          "orientation": 3
        },
        {
          "name": 6,
          "type": "Windows (1)",
          "width": 1.45,
          "height": 1.35,
          "location": "Walls (2)",
          "orientation": 3
        },
        {
          "name": 7,
          "type": "Doors (1)",
          "width": 1.01,
          "height": 2,
          "location": "Walls (3)",
          "orientation": 0
        },
        {
          "name": 8,
          "type": "Doors (2)",
          "width": 1.74,
          "height": 2.1,
          "location": "Walls (2)",
          "orientation": 7
        },
        {
          "name": 9,
          "type": "Doors (2)",
          "width": 1.79,
          "height": 2.1,
          "location": "Walls (2)",
          "orientation": 3
        },
        {
          "name": 10,
          "type": "Doors (1)",
          "width": 1.01,
          "height": 2.1,
          "location": "Walls (1)",
          "orientation": 0
        }
      ],
      "construction_year": 2013,
      "sap_thermal_bridges": {
        "thermal_bridges": [
          {
            "length": 9.8,
            "psi_value": 0.06,
            "psi_value_source": 2,
            "thermal_bridge_type": 10
          },
          {
            "length": 4.2,
            "psi_value": 0.04,
            "psi_value_source": 2,
            "thermal_bridge_type": 19
          },
          {
            "length": 2.6,
            "psi_value": 0.28,
            "psi_value_source": 2,
            "thermal_bridge_type": 20
          },
          {
            "length": 6,
            "psi_value": 0.08,
            "psi_value_source": 2,
            "thermal_bridge_type": 22
          },
          {
            "length": 33.6,
            "psi_value": 0,
            "psi_value_source": 2,
            "thermal_bridge_type": 23
          },
          {
            "length": 25.86,
            "psi_value": 0.05,
            "psi_value_source": 2,
            "thermal_bridge_type": 4
          },
          {
            "length": 12.73,
            "psi_value": 0.3,
            "psi_value_source": 2,
            "thermal_bridge_type": 2
          },
          {
            "length": 12.73,
            "psi_value": 0.04,
            "psi_value_source": 2,
            "thermal_bridge_type": 3
          }
        ],
        "thermal_bridge_code": 5
      },
      "building_part_number": 1,
      "sap_floor_dimensions": [
        {
          "storey": 0,
          "u_value": 0.16,
          "floor_type": 2,
          "kappa_value": 30,
          "storey_height": 2.4,
          "heat_loss_area": 11.8,
          "total_floor_area": 11.72
        },
        {
          "storey": 1,
          "u_value": 0.17,
          "floor_type": 3,
          "kappa_value": 30,
          "storey_height": 2.4,
          "heat_loss_area": 24.68,
          "total_floor_area": 41.95
        },
        {
          "storey": 2,
          "u_value": 0,
          "floor_type": 4,
          "kappa_value": 0,
          "storey_height": 2.4,
          "heat_loss_area": 0,
          "total_floor_area": 41.95
        }
      ]
    }
  ],
  "bedf_revision_number": 333,
  "heating_cost_current": 260,
  "co2_emissions_current": 1.5,
  "energy_rating_average": 60,
  "energy_rating_current": 83,
  "lighting_cost_current": 64,
  "main_heating_controls": [
    {
      "description": "Time and temperature zone control",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "has_hot_water_cylinder": "true",
  "heating_cost_potential": 260,
  "hot_water_cost_current": 93,
  "suggested_improvements": [
    {
      "sequence": 1,
      "typical_saving": 37,
      "indicative_cost": "£4,000 - £6,000",
      "improvement_type": "N",
      "improvement_details": {
        "improvement_number": 19
      },
      "improvement_category": 3,
      "energy_performance_rating": 84,
      "environmental_impact_rating": 88
    },
    {
      "sequence": 2,
      "typical_saving": 226,
      "indicative_cost": "£11,000 - £20,000",
      "improvement_type": "U",
      "improvement_details": {
        "improvement_number": 34
      },
      "improvement_category": 3,
      "energy_performance_rating": 94,
      "environmental_impact_rating": 96
    }
  ],
  "co2_emissions_potential": 1.5,
  "energy_rating_potential": 83,
  "lighting_cost_potential": 64,
  "hot_water_cost_potential": 93,
  "is_in_smoke_control_area": "unknown",
  "renewable_heat_incentive": {
    "rhi_new_dwelling": {
      "space_heating": 3127,
      "water_heating": 2230
    }
  },
  "seller_commission_report": "N",
  "energy_consumption_current": 85,
  "has_fixed_air_conditioning": "false",
  "calculation_software_version": 3.59,
  "energy_consumption_potential": 85,
  "environmental_impact_current": 85,
  "current_energy_efficiency_band": "B",
  "environmental_impact_potential": 85,
  "has_heated_separate_conservatory": "false",
  "potential_energy_efficiency_band": "B",
  "co2_emissions_current_per_floor_area": 16
}