Complying With The Combi Boiler Regulations in the UK
Whether you do it yourself on bringing in experts, the task of installing a new combi boiler can be overwhelming on its own, let alone when you add all the outside factors.
Understanding the relevant laws and regulations for installing new combi boilies is imperative and must be read befobeginninggin the process.
While it may not seem like a big deal, the regulations are in place for good reason and must be adhered to to ensure your and your family’s safety. 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 you must meet before starting the process.
Below you will find information on the primary pieces of legislation that must follow. However, it is important to remember that the following list of guidelines is not exhausted. Therefore, it would help if you thoroughly researched all laws and regulations 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, including any work associated with installation, maintenance, or altering pipework, 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 specific rules regarding any fitting or installation involving electricity. It is important to note that this does not apply to all combi boiler installations, as it is only about those with electrical components.
Part P of UK Building Regulations
Ensure you have an updated copy of this regulation, as the latest amendments came in 2010 (rather than the 2006 version). This is especially 
important 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 about 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 who will install the combi boiler.
2.Section B: Fire Safety – ensures appropriate clothing and eye-wear are worn for installation, and caution is 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 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.
References
What is part P – http://www.electricalsafetyfirst.org.uk/find-an-electrician/part-p/
Electrical safety: Approved Document P – https://www.gov.uk/government/publications/electrical-safety-approved-document-p