Energy Performance Certificates ‘Inaccurate’ and in Desperate Need of Reform: Which?

Published on June 18, 2024

A rating scheme that determines the energy efficiency of buildings in the UK is in desperate need of reform, amid concerns of its reliability, consumer champion Which? has found. Given the high energy costs and the prospect of Britain’s transition to low carbon heating, Energy Performance Certificates (EPCs) could help bring down costs for homeowners but need to be updated, Which? said. First introduced in 2007, the EPCs give energy efficiency ratings to properties, ranging from A(very efficient) to G (inefficient). They are required for anyone looking to sell, rent or build a property. The process involves an accredited assessor, who examines the building, including floor insulation, boilers and heating controls. A software programme then uses the data to calculate the energy efficiency of the property and gives recommendations on how make improvements and save money....