If you smell gas or suspect a carbon monoxide leak in your home or a communal area you must phone the National Grid (sometimes referred to as Transco) immediately.
To report a gas or carbon monoxide leak:
Call free on 0800 111999 (line open 24 hours a day, every day).
What to do if you smell gas in your home:
» Do turn off the gas at the meter unless the meter is in a cellar/basement
» Don’t smoke or strike matches
» Don’t turn electrical switches on or off
» Do put out naked flames
» Do open doors and windows
» Do keep people away from the area affected