Key Takeaways
- Revised BS 5266-1 standards took effect 1 January 2026 with a six-month grace period
- LED luminaires are now strongly encouraged for all new and replacement installations
- Self-testing emergency lighting systems are now widely accepted
- Integration between emergency lighting and fire alarm systems (BS 5839-1:2025) is now expected
- Monthly functional tests and annual full-duration tests remain mandatory
What Changed in BS 5266-1 for 2026?
The revised BS 5266-1 standard introduces stricter requirements for risk assessment, system design, and documentation for emergency lighting in commercial buildings. The updated standards took effect from 1 January 2026, with businesses granted a six-month grace period to achieve compliance. This means all commercial buildings should be operating under the new standard by July 2026.
The update reflects the shift toward LED technology, smart monitoring systems, and tighter integration with fire alarm infrastructure.
Do I Need to Upgrade My Emergency Lighting?
If your emergency lighting system uses older fluorescent luminaires, the 2026 standards strongly encourage — though do not mandate — replacement with LED alternatives. LED luminaires offer improved energy efficiency, longer lamp life, and more reliable performance during emergency operation.
Self-testing emergency lighting systems are now widely accepted under the revised standard. These systems automatically verify lamp and battery function, reducing the manual testing burden and providing real-time monitoring capability.
The most significant change is the expectation of integration between emergency lighting and updated fire alarm systems under BS 5839-1:2025. This means your emergency lighting and fire alarm contractors need to coordinate their designs and maintenance schedules.
What Testing Is Required?
The testing regime under BS 5266-1 remains rigorous:
Monthly functional tests: Every emergency luminaire must be tested for correct operation. For non-self-testing systems, this means manually simulating a mains failure and confirming each luminaire illuminates. Self-testing systems perform this automatically and log the results.
Annual full-duration tests: Once per year, the system must run for its full rated duration (typically 3 hours for most commercial premises) to verify battery capacity. This test should be planned to minimise disruption — often scheduled for weekends or outside business hours.
Documentation: All test results must be recorded and retained. The 2026 standard places greater emphasis on maintaining a complete testing log that is accessible for inspection by fire authorities or insurers.
How Does Emergency Lighting Connect to Fire Alarm Compliance?
The 2026 emergency lighting update should be considered alongside BS 5839-1:2025, which governs fire alarm systems. The two systems are now expected to work as an integrated fire safety infrastructure.
In practical terms, this means:
- Emergency lighting activation should coordinate with fire alarm zone triggers
- Maintenance schedules for both systems should be aligned
- Documentation for both systems should be accessible together
- A single contractor managing both systems can ensure proper integration
Read our guide to the fire alarm changes: BS 5839-1:2025: What the New Fire Alarm Standard Means for Your Building
Next Steps for Building Managers
If you're responsible for a commercial building in London, Hertfordshire, or Essex:
- Review your current system — Identify luminaire types (fluorescent vs LED) and whether the system supports self-testing
- Check testing records — Ensure monthly and annual tests are documented and up to date
- Assess integration — Discuss emergency lighting and fire alarm integration with your maintenance provider
- Plan LED upgrades — Factor LED replacement into your maintenance budget for improved reliability and compliance
- Consider a maintenance contract — A planned preventive maintenance programme covers both emergency lighting and fire alarms under one schedule
How Wire Now Can Help
Wire Now installs, tests, and maintains emergency lighting systems to BS 5266-1 across London, Hertfordshire, and Essex. We also deliver fire alarm services to BS 5839-1:2025, making us the ideal single contractor for integrated fire safety compliance.
View our Emergency Lighting services →
Part of our [Commercial Compliance Guide](/blog/commercial-fire-electrical-compliance-guide-2026) series.
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