Impact of Cavity Wall Insulation on Energy Performance Certificate (EPC) rating – by epc4less, Belfast

In this article epc4less, a Belfast-based Energy Performance Certificates (EPC) provider, advises homeowners how to enhance their home’s energy efficiency by insulating their property’s external walls. What Is a Cavity Wall? Until the 1920s, Belfast houses had solid stone or brick walls. However, towards the end of the 1920s, the […]