{"epc":{"lmkKey":"994137058732013083012251522278907","currentEnergyRating":"E","potentialEnergyRating":"B","currentEnergyEfficiency":41,"potentialEnergyEfficiency":82,"totalFloorArea":107,"lodgementDate":"2013-08-30","address":"21, Martyns Avenue, Seven Sisters","postcode":"SA10 9DP","propertyType":"House","builtForm":"Semi-Detached","wallsDescription":"Granite or whinstone, as built, no insulation (assumed)","roofDescription":"Pitched, 50 mm loft insulation","mainHeatingDescription":"Boiler and radiators, anthracite","windowsDescription":"Fully double glazed","heatingCostCurrent":1326,"heatingCostPotential":547,"hotWaterCostCurrent":212,"hotWaterCostPotential":108,"lightingCostCurrent":98,"lightingCostPotential":58,"energyConsumptionCurrent":394,"co2EmissionsCurrent":12}}