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What to do if you smell gas

If you smell gas or are worried about gas safety, call 0800 111 999. In Northern Ireland call 0800 002 001 and in the Republic of Ireland call 1850 20 50 50.

Gas flame and pot on a stove top

If you smell gas or are worried about gas safety, call the National Gas Emergency number at any time, day or night.

  • DO open doors and windows to ventilate the property
  • DO turn off the gas at the mains tap. This can usually be located near the gas meter and has a handle that can be turned 90 degrees. If the gas leak is in a cellar or basement, do not enter and instead evacuate the building
  • DO call the National Gas Emergency number. In Great Britain, call 0800 111 999. In Northern Ireland, call 0800 002 001 and in the Republic of Ireland, call 1850 20 50 50.

If you smell gas or suspect a leak, don't put yourself in danger:

  • DON’T turn any power or light switches on or off
  • DON’T light any sort of flame within the property
  • DON’T use any appliances that could cause a spark

Smell gas?

In Great Britain, call 0800 111 999

In Northern Ireland, call 0800 002 001 

In the Republic of Ireland, call 1850 20 50 50

Sometimes a gas leak can lead to you feeling physical symptoms such as dizziness, fatigue, nausea and headaches. These symptoms should ease when you leave the property, however you should visit your GP as a precaution if you’ve been exposed to a gas leak.

If a gas main pipe is dug up or breached, contractors should call the emergency helpline number.

You should call 999 if:

  • Someone is in immediate danger
  • Someone needs immediate emergency medical care
  • A crime is taking place or about to happen