A standard governing emergency lighting in commercial buildings across England changed on 31 October 2025. Most facilities managers have not been told. And most maintenance contracts have not been updated. If your contractor hasn't flagged it, we have. This article covers what changed and what it means for your site.
What is BS 5266-1 and why does the 2025 edition matter?
BS 5266-1:2025 is the UK code of practice for emergency lighting in commercial premises. It covers how emergency lighting systems should be designed, installed, tested and maintained. The 2025 edition supersedes BS 5266-1:2016, which is now withdrawn.
Before we go further: BS ...










