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A study from Everest has analysed over 15.5 million home Energy Performance Certificates (EPC) across the country to reveal the best and worst rated areas for energy efficiency.
Tower Hamlets, Greenwich and the City of London top the chart as the three most energy efficient areas according to the data. 29% of Tower Hamlet properties received an ‘A’ or ‘B’ rated EPC – which is the highest across the country – followed by Greenwich and the City of London (20%).
Despite being one of the most economically disadvantaged areas of the UK, Tower Hamlets has been part of The London Plan and London Climate Change Action Plan that aims to ensure that the area has the highest standards of energy efficiency for new build development of any city in the UK.
When looking outside of London, Dartford (Kent), Uttlesford (Essex), and Basingstoke and Deane (Hampshire) are amongst the top 10 best areas with the most top rated EPCs.
Homes with an ‘A’ or ‘B’ rated EPC spend on average £1104 on their energy bills over three years. And those that are benefiting from cheaper bills are situated within or near the capital. However, the data shows that just 19,832 dwellings benefit from an ‘A’ or ‘B’ rated EPC. Most dwellings have a ‘D’ rating that has energy costs, on average, of £3228 over a three year period. There are 6,136,001 dwellings in England Wales with an average ‘D’ rated EPC. However, the problem lies amongst the lowest rated homes.
The worst rated areas
Over 1 million dwellings across the country received an ‘F’ or ‘G’ rated EPC, making them the least energy efficient houses in England and Wales. Those living within these homes are paying on average £5743 for their energy bills over three years – that’s three and a half times more than those with an ‘A’ or ‘B’ rated EPC.
Isles of Scilly, Gwynedd, and Ceredigion are the three worst areas. A huge 35% of properties within the Isles of Scilly received an ‘F’ or ‘G’ rated EPC.
Most properties across the west fringes of the country are not suitable for cavity wall insulation due to the fact they are highly exposed to wind and driven rain. This can cause problems with damp and mould in the walls and affects the health of occupants.
Everest gathered seven example EPCs across the performance ratings to see the estimated energy costs of a dwelling for three years. The analysis shows there’s a drastic cost difference between those with a ‘C’ and ‘D’ rated EPC, and those rated ‘F’ or ‘G’.
For further information, please see: www.everest.co.uk/epc-energy-performance-certificate-in-depth-guide/