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"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": 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" }, "indicative_cost": "£80 - £120", "improvement_type": "D", "improvement_details": { "improvement_number": 10 }, "improvement_category": 5, "energy_performance_rating": 63, "environmental_impact_rating": 51 }, { "sequence": 5, "typical_saving": { "value": 234.75, "currency": "GBP" }, "indicative_cost": "£305", "improvement_type": "E", "improvement_details": { "improvement_number": 35 }, "improvement_category": 5, "energy_performance_rating": 64, "environmental_impact_rating": 51 }, { "sequence": 6, "typical_saving": { "value": 1219.36, "currency": "GBP" }, "indicative_cost": "£2,200 - £3,000", "improvement_type": "I", "improvement_details": { "improvement_number": 20 }, "improvement_category": 5, "energy_performance_rating": 68, "environmental_impact_rating": 56 }, { "sequence": 7, "typical_saving": { "value": 310.6, "currency": "GBP" }, "indicative_cost": "£3,300 - £6,500", "improvement_type": "O", "improvement_details": { "improvement_number": 8 }, "improvement_category": 5, "energy_performance_rating": 69, "environmental_impact_rating": 58 } ], "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": { "water_heating": 3640, "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 }