You open your front door and smell gas! What do you do in a gas emergency? There are several steps to follow: Emergency procedures Firstly, ventilate – leave doors and windows open and get fresh air. Don’t switch any lights on or off and extinguish any naked flames. If the source of the gas is obvious, for example a gas hob left on unlit, then switch it off. If you don’t know the cause of the leak, do not turn the gas supply on again until it has been checked by a Gas Safe registered engineer orĀ  contact us if in our area. Call NationalRead More →