Some of the plumber related jargon or abbreviations may get a little confusing. Here are a few useful plumbing related resources that you may find helpful.

Checkatrade - Find a local and reliable, guaranteed tradesperson through Checkatrade. If a tradesperson is signed up to Checkatrade they will have gone through a background check and you can be sure they will provide a good quality service, especially if they have good reviews.
Gas Safe Register - Being Gas Safe Registered is an absolute must for all heating engineers and businesses that need to work safely and legally on boilers, fires, cookers and any other gas appliances. It is a legal requirement to be on the list if a heating engineer is working on any of these appliances.
Which? - Similar to Checkatrade, if you need to find a trusted tradesperson then Which? only lists expertly assessed and endorsed specialists on their platform.
WaterSafe - WaterSafe is a free online directory and accreditation body for any tradesperson who specialises in working with water supply pipes and other water services