Welcome to Carshalton Boilers


Boiler repairs, replacements, central heating installations, emergency repairs, annual maintenance and general plumbing and heating services.


With over 50 years’ experience in the plumbing and heating industry, Carshalton Boilers is a family-run business covering Surrey, South London and the surrounding areas for all your landlord, domestic and commercial plumbing, heating and gas services requirements.

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Boiler Servicing & Breakdown

Annual servicing and safety checks are vital to the continued safe, economical and effective operation of your gas boiler, heating and hot water system.

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Boiler Installations

Our Installations team are experienced in all central heating-related installations ensuring we can cater for your exact needs.

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With over 50 years’ experience across all aspects of domestic and commercial plumbing and heating services we’re here to solve your plumbing problems.

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Installation of Gas Appliances

We can come to your home and connect your gas hob or cooker to the gas supply safely and professionally, making sure everything is working before we leave.

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Our electrical engineers are able to provide a full range of electrical services to our private and commercial customers, including planned electrical works and electrical testing as well as emergency call outs.

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Cover Plan

We can help you spread the cost of your central heating and boiler servicing and repairs with a Cover Plan designed to suit your needs.

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Commercial Services

Whether you have a large or small office, a school, a restaurant, or a commercial factory, we can offer you all the commercial plumbing and commercial heating services your business requires:

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Areas we cover

Banstead, Beckenham, Croydon, Chessington, Coulsdon, Crawley, Dorking, Epsom, Ewell, Horley, Kingston upon Thames, Leatherhead, Mitcham, New Malden, Purley, Redhill, Reigate, Surbiton, Sutton, Teddington, Thames Ditton, West Wickham, Worcester Park.


Carshalton Boilers works with letting agents and private landlords to provide safe and well-maintained gas installations for all their tenants, including annual Gas Appliance Safety Inspections and electrical PAT Testing carried out by our team of qualified engineers and electricians.

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Need a boiler installation? Get a boiler installation estimate now

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“Excellent work. Punctual and friendly engineer, left all systems working and the place tidy and rubbish etc removed same day. Very pleased.”

Customer in Sutton

“Carshalton Boilers are always reliable, prompt, polite, friendly and leave everything tidy. I would thoroughly recommend their services.”

Customer in Caterham

“Friendly, helpful and very efficient person. He fully explained to us the various controls of the boiler and testing and the yearly service. The service was in a word Superb.”

Customer in Sutton

"Very efficient installation to a high standard. All testing rigorously done to and above regulatory standards."

Customer in Epsom

"Works were carried out as planned. Engineer was very professional in work and very courteous. Will use again for service of new boiler."

Customer in Wallington

"Alistair visited me today to repair my oil-fired boiler. I would like to say thank you. A true professional who just worked away to fix it. I will call upon yourselves for the next service. Please convey my thanks to him."

Customer in Sanderstead

"GFM have been using CBS since 2016, for both our Commercial Boiler and our Domestic Boilers. CBS attend to our callouts very promptly and the CBS staff who attend are very friendly, polite & professional dealing with both ourselves, and our clients. GFM would recommend CBS to both business users, and the general public for their professionalism, can do attitude, and excellent staff, both engineers, and office based, who always easy to talk to and always go that extra mile!"

Grosvenor Facilities Management

"As I have previously said to you, thank you all for your hard work and for continuing to provide an excellent service. We all at Sutton Housing Society appreciate the fact, that however difficult it may have been in the background for you, the service your company provided to us and our residents continued to be steadfast and reliable and it did not falter."

Sutton Housing Society

“Efficient and experienced installers provided very good service. Friendly and very willing to discuss all technical questions. Quality of work was high. Solved new pipe run problems, and installed with minimum disturbance to fabric and décor. Great result, great service.”

Customer in Greater London

“Excellent service from start to finish. Could not fault anything. The boiler installer was friendly, courteous and very efficient and worked extremely hard. The electrician was also very efficient, friendly and courteous. Would highly recommend.”

Customer in Sutton

“Excellent service delivered. Really good start, helpful and knowledgeable. Job performed on time. All staff friendly and work as a team. The kind of people you are happy to have working in your home. Thoroughly recommend them. They have looked after my heating for over 40 years.”

Customer in Purley

“Excellent service: the engineer was punctual, tidy and hard-working throughout the four days he was here. He explained every phase of the job clearly and was very pleasant to deal with - ditto also his electrician colleague, who fitted a new Nest thermostat system.”

Customer in Wallington


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Contact Us

We’d love to hear from you. Whatever your plumbing or heating challenges, we’re here to help.

Tel: 020 8395 8060

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