If you smell gas:
- Turn off the gas meter by turning the valve at right angles to the gas pipe.
- Open all windows and doors and keep them open until the leak is repaired.
- Don't smoke or use electrical switches, matches or naked flames.
- Call the National Grid Emergency Line 0800 111 999.
- Make sure someone's at home when the emergency engineer arrives.
- Call the Fire Service on 999 if fire breaks out.