EPC assessments are charged at between £60 and £120. You can check a property’s rating at gov.uk/find-energy-certificate. This covers homes in England, Wales or Northern Ireland.

Around 12% of English and Welsh commercial properties fall below Energy Performance Certificate (EPC) band ‘E’, making them (with some exemptions) unlawful to let under new rules that came into effect ...

He is urging these homeowners to check their EPC rating using the Government's free online tool. Properties rated A or B may be eligible for a green mortgage straight away.