Welcome to the BFRC

BFRC Ltd is the operation of a UK national rating system for the thermal performance of fenestration products. The rating system is recognised within building regulations throughout the UK. Detailed information about the system is given on this site.

The BFRC Window Energy rating System lets you know that you are buying the right products. It helps you to quickly select energy efficient windows for your home by comparing window ratings. This site provides details of how to get windows energy rated, which windows are energy rated and which companies have rated windows.