Boiler installation, Boilers

Combi Boiler Installation Regulations in the UK

Complying With The Combi Boiler Regulations in the UK

combi boiler regulationsTaking on the task of installing a new combi boiler whether you do it yourself on bring in experts, can be overwhelming on its own, let alone when you add all the outside factors.

Understanding the relevant laws and regulations for installing a new combi boiler are imperative and must be read before you begin the process.

While it may not seem like a big deal, the regulations are in place for good reason and must be adhered to in order to ensure the safety of you and your family. Taking shortcuts to get the job done will only lead to more headaches in the future, and leave you at risk for injury.

Regardless of how you decide to go about the combi boiler installation, you will need a basic understanding of the regulations that must be met before the process is started.

Below you will find information on the primary pieces of legislation that must be followed, however, it is important to remember that the following list of guidelines is not exhausted. You should therefore research all laws and regulations thoroughly before beginning the installation process. These can be obtained from the government website, or various electric/plumbing colleges.

Gas Safety (Installation and Use) Regulations 1998

This piece of legislation is the most important rule regarding the installation of a new combi boiler. It covers what fittings need to be completed by a Gas Safe professional, which includes any kind of work associated with installation, maintenance, or altering pipe work, regulators or meters, or any other apparatuses or appliances that supply heat, light, or gas.

British Standards 7671 IET

Under British Standard guidelines, the IET (Institute of Engineering and Technology) outlines some specific rules regarding any fitting or installation that involves electricity. It is important to note that this does not apply to all combi boiler installations, as it is only in reference to those with electrical components.

Part P of UK Building Regulations

Make sure you have an updated copy of this regulation, as the latest amendments came in 2010 (rather than the 2006 version). This is especially Building-Regulations-Part-Pimportant if you are installing your new combi boiler without the assistance of a professional. The following regulations are merely recommendations for the most reasonable provisions against many kinds of danger (such as fire or physical injury) for combi boiler installers. The sub-categories are in reference to a specific area of danger you may come across and are as follows:

1.Section A: Structure – concerns the strength and security of the building, specifically the areas where piping or wiring needs replacing or where the combi boiler is going to be installed.

2.Section B: Fire Safety – ensures appropriate clothing and eye-wear is worn for installation and caution always taken when first lighting the new boiler.

3.Section C: Site Preparation – recommends clearing away clutter and moving out your family for a few days, if necessary; to ensure installation is completed with minimal fuss and disruption.

4. Section F: Ventilation – ensures the flue for your new combi boiler leads safely and securely outside to expel exhaust gases.

Remember, these are only the most important rules and have been given only the most basic outline to help you begin.

For specific areas of concern always look up the necessary laws and regulations in detail. If you still have reservations about your combi boiler installation you can always get in contact with your Local Authority’s Building Control Department, who can provide free information and advice where necessary.


What is part P –

Electrical safety: Approved Document P –


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