Safety Certificates GUIDE

Smoke and Carbon Monoxide Alarms: Property Checks

Why alarm location, testing and replacement dates matter.

Quick answer

Smoke and carbon-monoxide alarms are simple safety devices but only help when correctly located, powered and functioning.

Understanding the issue

Smoke and carbon-monoxide alarms are simple safety devices but only help when correctly located, powered and functioning.

What to check

Test alarms using the manufacturer's test function, keep them free from heavy dust and note replacement dates. A chirp or warning indicator should be investigated.

When to get advice

Rental-property requirements depend on current rules and the appliances present, so landlords should check current official guidance.

Safety first

This is general information, not a substitute for inspecting your property. Do not work on gas equipment or live electrical parts unless appropriately qualified. If there is immediate danger, call 999. If you smell gas or suspect a gas escape, leave the affected area and call the National Gas Emergency Service on 0800 111 999 from a safe location. Do not operate electrical switches or use naked flames.

Official guidance

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