{"epc":{"lmkKey":"165831908132009082817010666268407","currentEnergyRating":"B","potentialEnergyRating":"B","currentEnergyEfficiency":81,"potentialEnergyEfficiency":83,"totalFloorArea":87,"lodgementDate":"2009-08-28","address":"1, Churchfield Avenue, Sawston","postcode":"CB22 3LA","propertyType":"House","builtForm":"Semi-Detached","wallsDescription":"Timber frame, as built, insulated (assumed)","roofDescription":"Pitched, 250 mm loft insulation","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"Fully double glazed","heatingCostCurrent":280,"heatingCostPotential":285,"hotWaterCostCurrent":95,"hotWaterCostPotential":95,"lightingCostCurrent":80,"lightingCostPotential":47,"energyConsumptionCurrent":138,"co2EmissionsCurrent":2}}