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Boiler Repairs, Servicing & Installation in Greater London

Reliable boiler repairs, servicing & installation from Thameside Plumber, 15+ years' experience and every job backed by our 1-year written guarantee.

Reviews

Don't Just Take Our Word For It

★★★★★What Local Homeowners SayReal reviews from real local jobs
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Sarah H.
Google · Westminster
★★★★★

“Booked them for plumbing work and couldn't fault it, turned up on time, tidy, and sorted everything properly. Highly recommend.”

D
David M.
Google · Camden
★★★★★

“Really high standard of work and priced fairly. You can tell they've been doing this for years. Genuinely great to deal with.”

R
Rebecca T.
Google · Islington
★★★★★

“Honest, tidy and reliable. Talked me through the options with no pressure, and the written guarantee gave real peace of mind.”

J
James P.
Google · Kensington
★★★★★

“Two other firms couldn't sort our problem, this lot found it and fixed it properly in no time. First class.”

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Louise K.
Google · Chelsea
★★★★★

“Spotless job, tidied everything and turned up exactly when they said. Would use again in a heartbeat.”

Boiler Repairs, Servicing & Installation

Expert Boiler Repairs, Servicing & Installation You Can Rely On

Whether it's a small job or a big one, our boiler repairs, servicing & installation is done properly the first time. With more than 15 years of hands-on experience across Greater London, we know exactly what a lasting result takes, and we price it honestly with no surprises.

Every boiler repairs, servicing & installation job is done to a lasting standard, so you have real peace of mind long after we've packed up.

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Why Choose Us

Why Homeowners Call Us First

1-Year GuaranteeEvery job backed in writing for 1 years, not just a promise.
15+ Years' ExperienceDecades of hands-on plumbing across Greater London.
Fast ResponseWe come straight back to you, no waiting around.
Local & TrustedA Greater London business you can actually reach, not a call centre.
How It Works

From First Call To Finished Job

No mystery, no runaround. Here's exactly what happens when you get in touch.

01Call Any TimeGet in touch and speak to a real person. Emergencies go to the front of the queue.
02Free AssessmentWe assess the job properly and honestly, so you see exactly what's needed, no guesswork, no scare tactics.
03Honest QuoteA clear, fixed price with no obligation. If a smaller fix will do, we'll tell you, we don't oversell.
04Guaranteed WorkThe job's done properly, the site's left tidy, and you get our 1-year guarantee in writing.
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Good To Know

Frequently Asked Questions

Frequent breakdowns, a yellow rather than crisp blue flame, rusty water, or a boiler over 10 to 15 years old are all signs it may be time to replace rather than keep repairing. We'll give you an honest assessment either way, not just push a new boiler.

A service is preventative, checking the boiler is running safely and efficiently before anything goes wrong. A repair fixes a specific fault. Both need to be carried out by a Gas Safe registered engineer, which all our engineers are.

An annual service is generally recommended to keep a boiler running safely and efficiently, and to catch small issues before they turn into a breakdown in winter.

A straightforward like-for-like boiler replacement can often be completed in a day, though this depends on the boiler type and any pipework changes needed. We'll confirm realistic timings as part of your fixed quote.

This usually points to a small leak somewhere in the system, or a fault with the pressure relief valve or expansion vessel. It's worth having it looked at before the boiler locks out completely.

We work on a wide range of combi, system and regular boilers found in London homes and flats. Let us know the make and model when you call and we'll advise you from there.

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Your Free Quote Starts Here

Tell us what you need and we'll come back with an honest, no-obligation price. Prefer to talk? Call 020 3123 4567.

  • Tidy, professional work you can rely on
  • 15+ years of experience across Greater London
  • Fast, friendly local service

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