If you can smell gas or think you have a gas leak:
- Open all doors and windows to let the gas escape.
- Do not smoke, light a match or use any other kind of naked flame.
- Check your gas appliances are switched off, including any pilot lights.
- Avoid using any electrical equipment within the property. This includes light switches and mobile phones.
Call the 24 hour National Gas Emergency hotline on 0800 111 999. They will advise you of further actions.