G & J Plumbing & Heating

G & J Plumbing and Heating are boiler replacement specialists based in Welwyn Garden City, Hertfordshire with over 25 years of industry experience serving Hertfordshire, London, Essex, and the surrounding areas. Our company is made up of over 15 fully qualified staff including electricians, builders, and registered Gas Safe engineers. We put together our team to enable us to take on jobs of all shapes and sizes with the minimum of fuss and with outstanding results. We are able to meet all of your plumbing and heating needs however as a company we specialise in boiler replacements.

Having a specialist area does not mean that we are not equally adept at offering other services so please get in touch today to discuss your needs. As specialists in our field we have completed work on a number of local authority contracts including working for Aylesbury, Haringey and Hackney councils. This is on top of hundreds of residential boiler installations that we have completed over the years.