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Leak Detection & Repair in Greater London

Reliable leak detection & repair from Thameside Plumber, 15+ years' experience and every job backed by our 1-year written guarantee.

Reviews

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★★★★★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.”

Leak Detection & Repair

Expert Leak Detection & Repair You Can Rely On

Whether it's a small job or a big one, our leak detection & repair 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 leak detection & repair 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 Written GuaranteeEvery job backed in writing for 12 months, not just a promise.
15+ Years' ExperienceHands-on plumbing and heating experience across Greater London.
Fast ResponseWe come straight back to you, no waiting around for a call back.
Clean & Tidy WorkmanshipWe treat your home or workplace with respect and leave it as we found it.
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

We start with a visual check of pipework, joints and appliances, then use listening equipment and, where needed, thermal imaging or trace gas to pinpoint a hidden leak without unnecessary digging or wall-chasing.

Watch for a water bill that's crept up with no obvious reason, a damp patch on a wall or ceiling, a musty smell, or the water meter still ticking over when every tap in the house is off.

Not usually. Modern leak detection finds most leaks without any digging. If we do need access to a pipe, we'll always explain why first and keep any disruption to the minimum.

Yes. Even a slow drip can rot floor joists, damage plaster and encourage mould over time, and a leak behind a wall can run up your water bill for months before it's noticed. It's always cheaper to fix early.

Where the pipework is accessible, yes, we'll repair it straight away. If the fix needs specialist parts or opening up a wall, we'll give you a clear, fixed price before booking the follow-up visit.

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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.

  • Honest, fixed quotes before we start, no hidden charges
  • Friendly, professional service from start to finish
  • 15+ years keeping London homes and businesses running smoothly

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