Most houses that have to qualify for ECO4 must have an Energy Efficiency Certificate (EPC) ranking of D or below. The ranking suggests your house has been measured up in terms of its efficiency to avoid wasting energy And exactly how your house makes use of energy, by using a https://www.reddit.com/user/ecograntscheme/comments/18fmtdq/how_to_insulate_your_uk_home_some_tips/