BS 5266-1:2025 provides a code of practice for emergency lighting of premises. It sets out recommendations and guidance on the design, installation, and wiring of emergency lighting systems to ensure safety in the event of a failure of the normal lighting supply.
The standard’s central aim is to promote a consistent approach to emergency lighting so that people can safely exit or remain in a building during emergencies, while also supporting the use of essential safety equipment.
BS 5266-1:2025 is intended for a broad range of stakeholders who are responsible for or involved in the design, regulation, and operation of buildings with public or communal access. These include:
BS 5266-1:2025 applies to emergency lighting systems used for three key purposes:
It also gives recommendations for lighting in areas with fixed seating and emphasizes that it does not apply to private dwellings, although it does cover common access routes in blocks of flats and maisonettes.
Key aspects include ensuring escape routes are clear and illuminated, fire safety systems (like call points and fire-fighting equipment) are accessible, and panic risks are minimized in confined spaces such as lifts.
Using BS 5266-1:2025 ensures:
By following the standard, organizations demonstrate a commitment to safety, resilience, and duty of care.
BS 5266-1:2025 is a full revision of the previous edition, BS 5266-1:2016. The principal change introduced is:
This update reflects changes in related European standards (EN 1838 and EN 50172) and ensures BS 5266-1 remains relevant as the guidance document for their application in the UK. The revision strengthens its role in supporting fire safety and public safety commitments.