An EPC tells you how energy efficient your property is on a scale of A-G, with A being the most efficient. The certificate also tells you, on a scale of A-G, about the impact of the home has on the environment. Better-rated properties should have less impact through carbon-dioxide emissions.
The EPC will make recommendations about how a property’s energy efficiency can be improved, in addition to a potential rating if the recommended work is carried out. The average property is rated D or E.