Plumbers undertake the installation of domestic internal hot and cold water pipe work, sanitary fittings and related waste pipe work systems.

On 1 April 2009, the Gas Safe Register^TM replaced the CORGI gas registration scheme as the gas safety authority. Make sure that the person carrying out your gas work is registered, and ask to see their card.

Members of the Chartered Institute of Plumbing and Heating Engineering (CIPHE) are granted designatory letters after their name, and corporate members are allowed use of the CIPHE logo. Because individuals are vetted before being accepted into membership, the public can be confident that they will be employing someone with the necessary skills and commitment to high standards.