{
  "uprn": 12457,
  "roofs": [
    {
      "description": "Average thermal transmittance 0.14 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 0.19 W/m²K",
      "energy_efficiency_rating": 5,
      "environmental_efficiency_rating": 5
    }
  ],
  "status": "entered",
  "tenure": "ND",
  "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": "PT34 5BG",
  "data_type": 2,
  "hot_water": {
    "description": "From main system",
    "energy_efficiency_rating": 4,
    "environmental_efficiency_rating": 4
  },
  "post_town": "POSTTOWN",
  "built_form": 1,
  "living_area": 18.13,
  "orientation": 1,
  "region_code": 6,
  "report_type": 3,
  "sap_heating": {
    "thermal_store": 1,
    "water_fuel_type": 1,
    "water_heating_code": 901,
    "hot_water_store_size": 180,
    "main_heating_details": [
      {
        "main_fuel_type": 1,
        "heat_emitter_type": 1,
        "emitter_temperature": 1,
        "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,
        "central_heating_pump_age": 2,
        "main_heating_data_source": 1,
        "main_heating_index_number": 10321,
        "has_separate_delayed_start": "false",
        "load_or_weather_compensation": 0,
        "is_central_heating_pump_in_heated_space": "true"
      }
    ],
    "has_hot_water_cylinder": "true",
    "has_cylinder_thermostat": "true",
    "hot_water_store_heat_loss": 1.48,
    "has_fixed_air_conditioning": "false",
    "secondary_heating_category": 1,
    "is_cylinder_in_heated_space": "true",
    "primary_pipework_insulation": 4,
    "is_hot_water_separately_timed": "true",
    "hot_water_store_heat_loss_source": 2
  },
  "sap_version": 9.92,
  "schema_type": "SAP-Schema-17.0",
  "uprn_source": "Energy Assessor",
  "country_code": "ENG",
  "main_heating": [
    {
      "description": "Boiler and radiators, mains gas",
      "energy_efficiency_rating": 4,
      "environmental_efficiency_rating": 4
    }
  ],
  "air_tightness": {
    "description": "Air permeability 4.9 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": "2, Place Park",
  "address_line_2": "Central District",
  "assessment_date": "2013-07-08",
  "assessment_type": "SAP",
  "completion_date": "2015-06-30",
  "inspection_date": "2015-06-30",
  "sap_ventilation": {
    "psv_count": 0,
    "pressure_test": 1,
    "air_permeability": 4.94,
    "open_flues_count": 0,
    "ventilation_type": 1,
    "extract_fans_count": 5,
    "open_fireplaces_count": 0,
    "sheltered_sides_count": 2,
    "flueless_gas_fires_count": 0
  },
  "sap_data_version": 9.9,
  "sap_flat_details": {
    "level": 1
  },
  "total_floor_area": 139,
  "transaction_type": 6,
  "conservatory_type": 1,
  "registration_date": "2015-06-30",
  "sap_energy_source": {
    "electricity_tariff": 1,
    "wind_turbines_count": 0,
    "wind_turbine_terrain_type": 1,
    "fixed_lighting_outlets_count": 20,
    "low_energy_fixed_lighting_outlets_count": 20,
    "low_energy_fixed_lighting_outlets_percentage": 100
  },
  "sap_opening_types": [
    {
      "name": "Opening Type 1",
      "type": 4,
      "u_value": 1.5,
      "data_source": 2,
      "frame_factor": 0.7,
      "glazing_type": 3,
      "solar_transmittance": 0.76
    },
    {
      "name": "Opening Type 2",
      "type": 5,
      "u_value": 1.5,
      "data_source": 2,
      "frame_factor": 0.7,
      "glazing_type": 3,
      "solar_transmittance": 0.76
    }
  ],
  "secondary_heating": {
    "description": "None",
    "energy_efficiency_rating": 0,
    "environmental_efficiency_rating": 0
  },
  "lzc_energy_sources": [
    10
  ],
  "sap_building_parts": [
    {
      "sap_roofs": [
        {
          "name": "Roof 1",
          "u_value": 0.14,
          "roof_type": 2,
          "description": "External Roof 1",
          "total_roof_area": 69.63
        }
      ],
      "sap_walls": [
        {
          "name": "External Wall 1",
          "u_value": 0.28,
          "wall_type": 2,
          "description": "External Wall 1",
          "total_wall_area": 197.76,
          "is_curtain_walling": "false"
        }
      ],
      "identifier": "Main Dwelling",
      "overshading": 2,
      "sap_openings": [
        {
          "name": "Opening 1",
          "type": "Opening Type 1",
          "width": 7.47,
          "height": 1,
          "location": "External Wall 1",
          "orientation": 1
        },
        {
          "name": "Opening 2",
          "type": "Opening Type 1",
          "width": 6.88,
          "height": 1,
          "location": "External Wall 1",
          "orientation": 5
        },
        {
          "name": "Opening 3",
          "type": "Opening Type 1",
          "width": 5.44,
          "height": 1,
          "location": "External Wall 1",
          "orientation": 7
        },
        {
          "name": "Opening 4",
          "type": "Opening Type 1",
          "width": 6.88,
          "height": 1,
          "location": "External Wall 1",
          "orientation": 3
        },
        {
          "name": "Opening 5",
          "type": "Opening Type 2",
          "pitch": 35,
          "width": 1.77,
          "height": 1,
          "location": "Roof 1",
          "orientation": 7
        },
        {
          "name": "Opening 6",
          "type": "Opening Type 2",
          "pitch": 35,
          "width": 0.59,
          "height": 1,
          "location": "Roof 1",
          "orientation": 3
        }
      ],
      "construction_year": 2013,
      "sap_thermal_bridges": {
        "thermal_bridges": [
          {
            "length": 41.2,
            "psi_value": 0.32,
            "psi_value_source": 4,
            "thermal_bridge_type": "E5"
          },
          {
            "length": 41.2,
            "psi_value": 0.14,
            "psi_value_source": 4,
            "thermal_bridge_type": "E6"
          },
          {
            "length": 19.2,
            "psi_value": 0.18,
            "psi_value_source": 4,
            "thermal_bridge_type": "E16"
          }
        ],
        "thermal_bridge_code": 5
      },
      "building_part_number": 1,
      "sap_floor_dimensions": [
        {
          "storey": 0,
          "u_value": 0.19,
          "floor_type": 2,
          "description": "Heat Loss Floor 1",
          "storey_height": 2.4,
          "heat_loss_area": 69.63,
          "total_floor_area": 69.63
        },
        {
          "storey": 1,
          "u_value": 0,
          "floor_type": 3,
          "storey_height": 2.4,
          "heat_loss_area": 0,
          "total_floor_area": 69.63
        }
      ],
      "thermal_mass_parameter": 100
    }
  ],
  "heating_cost_current": {
    "value": 378,
    "currency": "GBP"
  },
  "co2_emissions_current": 2.2,
  "energy_rating_average": 60,
  "energy_rating_current": 84,
  "lighting_cost_current": {
    "value": 73,
    "currency": "GBP"
  },
  "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": {
    "value": 379,
    "currency": "GBP"
  },
  "hot_water_cost_current": {
    "value": 114,
    "currency": "GBP"
  },
  "suggested_improvements": [
    {
      "sequence": 1,
      "typical_saving": {
        "value": 52,
        "currency": "GBP"
      },
      "indicative_cost": "£4,000 - £6,000",
      "improvement_type": "N",
      "improvement_details": {
        "improvement_number": 19
      },
      "improvement_category": 5,
      "energy_performance_rating": 85,
      "environmental_impact_rating": 86
    },
    {
      "sequence": 2,
      "typical_saving": {
        "value": 275,
        "currency": "GBP"
      },
      "indicative_cost": "£5,000 - £8,000",
      "improvement_type": "U",
      "improvement_details": {
        "improvement_number": 34
      },
      "improvement_category": 5,
      "energy_performance_rating": 92,
      "environmental_impact_rating": 92
    }
  ],
  "co2_emissions_potential": 1.0,
  "energy_rating_potential": 92,
  "lighting_cost_potential": {
    "value": 73,
    "currency": "GBP"
  },
  "schema_version_original": "LIG-17.0",
  "hot_water_cost_potential": {
    "value": 62,
    "currency": "GBP"
  },
  "is_in_smoke_control_area": "unknown",
  "renewable_heat_incentive": {
    "rhi_new_dwelling": {
      "space_heating": 5622,
      "water_heating": 2279
    }
  },
  "seller_commission_report": "Y",
  "energy_consumption_current": 91,
  "has_fixed_air_conditioning": "false",
  "multiple_glazed_percentage": 100,
  "calculation_software_version": "4.03r03",
  "energy_consumption_potential": 39,
  "environmental_impact_current": 84,
  "current_energy_efficiency_band": "B",
  "environmental_impact_potential": 92,
  "has_heated_separate_conservatory": "false",
  "potential_energy_efficiency_band": "A",
  "co2_emissions_current_per_floor_area": 16
}