What is an EPC and when is it required?

An EPC, or energy performance certificate, provides information on the energy efficiency of both domestic and commercial properties. The energy efficiency of a building is based on a scale of A-G, the closer a building is to a rating of A the better the buildings energy efficiency. All homes and commercial properties being bought, sold or rented require an EPC. As long as the building in question has a roof, walls and uses energy to condition an indoor climate an EPC is an essential and legal requirement. The EPC report is supplied alongside a recommendations report which states various ways in which to reduce energy use and carbon dioxide emissions and therefore increase the overall energy efficiency of the building/dwelling.