Do I need an Energy Performance Certificate (EPC)? Yes. When a property is being advertised for sale or letting, a valid EPC is legally required. However, certain property types are exempt, and all exemptions must be recorded on the national register. The duration of each registered exemption is five years. Additionally, any property leased on a new tenancy or a fixed-term renewal must now have an EPC rating or higher as of April 1, 2018. Since EPCs have a 10-year lifespan an