About Us

Founded in 1995 by Gareth Knell, we have been serving Bucks, Beds, Herts and Oxon for 30 years.

As a company, GK Plumbing are Gas Safe and OFTEC registered, thus allowing us to work on and install gas, LPG and oil appliances. We are also members of Checkatrade, which support and promote excellence for a variety of trades. Plus we have full public liability insurance cover of £5 million.

We’ve got all types of domestic plumbing and heating covered; from simple repairs and small plumbing jobs to full central heating installations and Power Flushing.

We’re a Worcester Bosch Accredited Partner and offer up to a 12 year guarantee on all new boiler installations!

Only use a GAS SAFE REGISTERED ENGINEER to FIT , FIX and SERVICE your gas appliances. Click here for more info.

Meet The Team

Altogether the GK Plumbing team have over 50 years experience in plumbing and heating, thus making us one of the most experienced local plumbing and heating companies around.

  • Leighton Buzzard Plumber - Gareth
    Gareth Knell
    Director &
    Caller of Shots

    Gareth started out as an apprentice to a local plumbing company straight out of school. He started GK Plumbing in 1995 and it has grown from strength to strength. Qualified to work on gas, LPG, oil and warm air heating systems, he has a vast amount of experience and knowledge within the industry. GK Plumbing still look after several customers Gareth first met during his apprenticeship all those years ago.

  • Photo of employee
    Kelly Knell
    Company Secretary &
    Operations Manager

    Kelly joined Gareth in 2005 after spending several years working for a global food manufacturer in product design and innovation. Originally in an admin based role, today she combines this with co-ordinating the various digital, radio and social media marketing and advertising campaigns vital to any business.

  • Photo of employee
    Jane Baylis
    Office Manager

    After spending many years working in property management for a variety of local property lettings agencies, Jane has brought her wealth of knowledge in this sector to GK Plumbing. Working alongside Kelly in the office, she is key to keeping the diary running smoothly and liaising with our customers.

  • Photo of Dan Watson
    Dan Watson
    Technical Sales Manager

    After many years working in sales for local plumbing and heating merchants, Dan joined us in September 2020 to offer another level of customer service. Bringing with him his vast knowledge of material suppliers within our industry, he is perfectly placed to liaise with customers on any installations they are looking to undertake. He is the link between the customer and the onsite engineer and project manages all bathroom installations and large central heating projects, from design to installation.

  • Oxford Plumber - Lee
    Lee Davidson
    Plumbing & Heating Engineer

    Lee joined the GK Plumbing team in August 2019, bringing with him a wealth of experience in all areas of domestic plumbing and gas, oil and LPG heating systems. A keen problem solver, he is a key player on our more tricky diagnostic jobs. He is also our on-call engineer for the out of hours emergencies our customers face. A keen motorcyclist, Lee also enjoys track days and racing.

  • Photo of Marc Hobley
    Marc Hobley
    Plumbing and Heating engineer

    An experienced gas engineer, Marc carries out the majority of our gas boiler installations. His calm and friendly manner make him the perfect choice for this type of work, and his patience give our apprentices the ideal learning environment. A keen football fan, Marc is another member of the team who follows Manchester United, leading to lively banter within the team!

  • Photo of employee
    Rob Doncaster
    Plumbing and Heating Engineer

    Rob joined us in October 2016 as a first year apprentice, and although delayed by a year, he is now a fully qualified plumbing and heating engineer working on gas and LPG heating systems. A keen footballer, Rob is known within his team as ‘The Rocket’ for his ability to rocket about the pitch.

  • Photo of employee
    Greg Copcutt
    4th Year Apprentice

    Greg joined us in August 2017 to start his apprenticeship. He is now in his final year, following a delay due to the pandemic and we are hopeful he will complete his apprenticeship soon. Once completed, he will be fully qualified to work on all plumbing systems as well as natural gas and LPG heating systems.

  • Photo of employee
    James Bull
    3rd Year Apprentice

    James joined us straight after completing his GCSE’s and 2 years on is now a fully qualified plumber. He recently started his 3rd year at college and is really building on his skills, so much so he now visits customers to carry out straightforward plumbing repairs and installations by himself.

  • Photo of Daniel Ball
    Daniel Ball
    1st Year Apprentice

    Daniel joined us in August 2020, but due to the pandemic he could only start his formal college learning in January 2021. However, this meant he could crack on with his on-site learning with our team. Daniel took quickly to installation work under Marc and Luke’s guidance and is an important asset to our whole team.

Looking after your home as if it was our own!

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