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Gas Emergencies

What to do if you smell gas or think there’s a leak.

Smell gas or need to report a gas explosion or fire?

Stay calm, you’re in safe hands. Here’s what to do if you can smell gas or are concerned by any gas-safety related matter.

Call the National Gas Service on 0800 111 999 immediately.

There are a few measures that you can take to help the situation.


  • Turn off the gas supply
  • Open all doors and windows


  • Turn on any electrical switches
  • Use any form of naked flame which could ignite the gas, such as: gas hob, smoking, striking any matches

The type of information that the emergency service may require will include:

  • Site address
  • How many people are at the site
  • Where you can smell the gas
  • Your name and contact number
  • Any other circumstances or access details to the site

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