{"epc":{"lmkKey":"1161097830412014062009470997240225","currentEnergyRating":"B","potentialEnergyRating":"A","currentEnergyEfficiency":82,"potentialEnergyEfficiency":94,"totalFloorArea":79,"lodgementDate":"2014-06-20","address":"19, Old Royston Avenue, Royston","postcode":"S71 4FZ","propertyType":"House","builtForm":"Detached","wallsDescription":"Average thermal transmittance 0.30 W/m-¦K","roofDescription":"Average thermal transmittance 0.14 W/m-¦K","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"High performance glazing","heatingCostCurrent":277,"heatingCostPotential":277,"hotWaterCostCurrent":75,"hotWaterCostPotential":46,"lightingCostCurrent":48,"lightingCostPotential":48,"energyConsumptionCurrent":105,"co2EmissionsCurrent":1.5}}