{"epc":{"lmkKey":"1223268099222014102110402799808064","currentEnergyRating":"D","potentialEnergyRating":"C","currentEnergyEfficiency":64,"potentialEnergyEfficiency":80,"totalFloorArea":78,"lodgementDate":"2014-10-21","address":"20, South Close, Royston","postcode":"S71 4NT","propertyType":"House","builtForm":"Detached","wallsDescription":"Cavity wall, filled cavity","roofDescription":"Pitched, 150 mm loft insulation","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"Fully double glazed","heatingCostCurrent":656,"heatingCostPotential":572,"hotWaterCostCurrent":131,"hotWaterCostPotential":87,"lightingCostCurrent":71,"lightingCostPotential":49,"energyConsumptionCurrent":235,"co2EmissionsCurrent":3.5}}