Plumbing

You've decided what you want - but is it permitted? Find out here.

Planning permission and building regulations are the essential requirements to follow when carrying out home improvements. Make sure you don't get caught out.

• Gas safety certificates: the lowdown

  Once your gas appliances have been checked, serviced or installed by a registered engineer, they should supply you with a gas safety certificate. The certificate tells you that the gas appliance is safe and the work meets safety standards.read article