Gas safety
Handle a suspected gas leak without sparks
Do not operate switches, appliances, phones, or doorbells; move away before calling for help.
Last reviewed: 2026-08-20
Why it matters
A tiny electrical spark can ignite leaked gas and cause an explosion.
Wrong action
Unsafe: Turning lights or fans on or off, phoning, or ringing a doorbell inside.
Correct action
Do not operate switches, appliances, phones, or doorbells; move away before calling for help.
What to do
- First confirm a safe way out and the emergency control location.
- Do not operate switches, appliances, phones, or doorbells; move away before calling for help.
- Extinguish flames; only if safe open doors and windows and close the valve; leave by stairs if uncertain. Stop for any abnormality and notify the employer or gas supply company.
If something happens
For a serious or uncertain leak, leave by stairs and call 999 and the gas supplier from safety; do not reuse gas before inspection.
Sources and review
- Electrical and Mechanical Services Department — Handle Gas Leaks in Premises
Last reviewed: 2026-08-20
This page provides general home-safety information and does not replace medical, legal, electrical, or other professional advice.
Related safety lessons
High-priority reminderKitchen fire safety
Check gas tubing for damage and expiry
Inspect flexible gas tubing for cracks, ageing, loose joints, and its printed service-life date.
View safety lesson →
High-priority reminderKitchen fire safety
Ventilate while using a gas cooker
Start suitable ventilation before cooking and keep fresh air flowing without blowing directly on the flame.
View safety lesson →