{"epc":{"lmkKey":"536750699022010090717245219738120","currentEnergyRating":"C","potentialEnergyRating":"C","currentEnergyEfficiency":78,"potentialEnergyEfficiency":80,"totalFloorArea":108.46,"lodgementDate":"2010-09-07","address":"21, Calder Close, Royston","postcode":"S71 4BT","propertyType":"House","builtForm":"Detached","wallsDescription":"Cavity wall, as built, insulated (assumed)","roofDescription":"Pitched, 250 mm loft insulation","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"Fully double glazed","heatingCostCurrent":411,"heatingCostPotential":380,"hotWaterCostCurrent":145,"hotWaterCostPotential":127,"lightingCostCurrent":61,"lightingCostPotential":61,"energyConsumptionCurrent":160,"co2EmissionsCurrent":2.9}}