{"epc":{"lmkKey":"b9f39322733b74387a55926ddc86afcd3c541ee0564bcb519b10de30ab666734","currentEnergyRating":"C","potentialEnergyRating":"B","currentEnergyEfficiency":79,"potentialEnergyEfficiency":87,"totalFloorArea":139,"lodgementDate":"2026-02-17","address":"15 Halstead Close","postcode":"SS12 9RR","propertyType":"House","builtForm":"Detached","wallsDescription":"Cavity wall, as built, insulated (assumed)","roofDescription":"Pitched, 350 mm loft insulation","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"High performance glazing","heatingCostCurrent":704,"heatingCostPotential":704,"hotWaterCostCurrent":219,"hotWaterCostPotential":219,"lightingCostCurrent":70,"lightingCostPotential":70,"energyConsumptionCurrent":101,"co2EmissionsCurrent":2.5}}