News & Insights

L1 vs L2 Fire Alarms

Doug Walsh

30/9/2025

Risk Control

Debunking the Myth: Recent misinformation claims every UK care home needs L1 fire alarms. Our Health and Safety Partner, Omny clarifies this isn't true, the law isn't black and white and depends on your individual fire risk assessment.

Understanding Fire Alarm Categories

L1 Fire Alarms provide maximum protection with detectors in every room, corridor, and space throughout the building. They offer the earliest possible fire warning, essential where residents need evacuation assistance.

L2 Fire Alarms provide targeted protection with fewer detectors covering escape routes and high-risk areas. They're designed to give adequate evacuation time and may be suitable for smaller homes with mobile residents.

Legal Requirements Under UK Fire Safety Law

Article 9 of the Regulatory Reform (Fire Safety) Order 2005 requires responsible persons to conduct annual fire risk assessments. Your chosen fire alarm system must address the specific risks identified in this assessment.

Key legal obligations:
  • Article 13: Appropriate fire detection for identified risks
  • Article 17: Maintain systems in working order
  • Systems must be replaced when assessments show they're inadequate

For full legal requirements, visit the government website.

New vs Existing Care Homes

New care homes typically install L1 systems following BS 5839-1: 2025 and Building Regulations guidance, but final selection should still align with risk assessment findings.

Existing care homes may continue with L2 systems where fire risk assessments demonstrate adequate protection for their specific circumstances.

Making the Right Choice

Your fire alarm category should be determined by:

  • Professional fire risk assessment findings
  • Building size, layout, and complexity
  • Resident mobility and evacuation capabilities
  • Staffing levels, particularly at night

Professional advice is essential - fire safety specialists possess expertise that typically exceeds care home operators' knowledge.

"Choosing the right fire alarm for your home depends on the risks present in the premises and most importantly your fire risk assessment."

Don't follow blanket rules or misinformation. Ensure your fire alarm selection is based on professional assessment of your specific risks and requirements, in compliance with the Fire Safety Order.

For complete Fire Safety Order requirements visit here.

For more information and a free estimate and advice, complete this form and our Business Solutions Team will get back to you.

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