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At the end of September 2018, the number of houses in England and Wales which had a valid energy performance certificate (EPC) rated at E or lower was 3,177,158 and D or higher was 8,169,369. Additionally, other types of domestic dwellings, including flats, bungalows and maisonettes, which had a valid EPC rated at E or lower was 1,229,051 and D or higher was 5,584,059.<\/p>