If you smell gas, think you have a gas leak, or are worried that fumes containing carbon monoxide are escaping from a gas appliance, please call the free Gas Emergency Services hotline immediately on 0800 111 999.
You should also:
- open all doors and windows to ventilate the property
 - make sure not to turn on/off any electrical switches
 - extinguish all naked flames,
 - stop smoking, and do not strike matches or any other way of making fire
 - open doors manually where there are any electrical security entry phones or locks.
 
You will need to have the following information when you call the hotline to report a gas leak:
- your name and phone number
 - address or location of the suspected gas escape or gas emergency
 - number of people at the property
 - where the smell is strongest
 - how long the smell has been noticeable
 - whether any neighbours are affected
 - your name and phone number
 - any special circumstances or access information.
 
