Just checked my EPC.
Estimated energy used to heat this property
Type of heating Estimated energy used
Space heating 5604 kWh per year
Water heating 2351 kWh per year
My forecast which is extrapolated from a few months use with added seasonality, is actually quite a bit lower for heat pump use. i.e. 3351 for heating and 950 for water. Include 1000 for the pumps makes 5301, vs 7955 on the EPC. As I understand it the EPC takes account of the efficiency of the heating system so these figures should be comparable.
Mind you, the EPC also says the yearly energy cost for tis property (heating, hot water and lighting) should be £801. They must have used <10p / unit.
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