{"epc":{"lmkKey":"1337031939962017011911541947718713","currentEnergyRating":"B","potentialEnergyRating":"A","currentEnergyEfficiency":83,"potentialEnergyEfficiency":93,"totalFloorArea":120,"lodgementDate":"2017-01-19","address":"19 Chetwynd Drive, Grendon","postcode":"CV9 2FF","propertyType":"House","builtForm":"Detached","wallsDescription":"Average thermal transmittance 0.28 W/m-¦K","roofDescription":"Average thermal transmittance 0.10 W/m-¦K","mainHeatingDescription":"Boiler and radiators, mains gas","windowsDescription":"High performance glazing","heatingCostCurrent":332,"heatingCostPotential":334,"hotWaterCostCurrent":106,"hotWaterCostPotential":57,"lightingCostCurrent":72,"lightingCostPotential":72,"energyConsumptionCurrent":95,"co2EmissionsCurrent":2}}