{"epc":{"lmkKey":"1059212059502013121115105515779698","currentEnergyRating":"D","potentialEnergyRating":"C","currentEnergyEfficiency":65,"potentialEnergyEfficiency":79,"totalFloorArea":156,"lodgementDate":"2013-12-11","address":"37, Summer Lane, Royston","postcode":"S71 4SE","propertyType":"House","builtForm":"Detached","wallsDescription":"Cavity wall, filled cavity","roofDescription":"Pitched, 200 mm loft insulation","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"Mostly double glazing","heatingCostCurrent":1037,"heatingCostPotential":838,"hotWaterCostCurrent":129,"hotWaterCostPotential":77,"lightingCostCurrent":79,"lightingCostPotential":79,"energyConsumptionCurrent":198,"co2EmissionsCurrent":6}}