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Northolt · UB5, UB4

Leak Detection in Northolt

Non-destructive water leak detection across Northolt, tracing hidden leaks with thermal imaging, acoustic sensors and tracer gas, then drying and treating the damage before it becomes mould.

Call 020 3051 8478Report a leak
★★★★★ 4.9 from 19 Google reviews · trusted by Northolt homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Northolt, our specialists trace the source without tearing the place apart, using thermal, acoustic and tracer-gas methods. A leak is not over when the water stops. Mould can start within 48 hours, so we find the source, dry the structure and treat any mould, all with one company. Leak detection is £800 to £1500 depending on scale. Call 020 3051 8478.
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Leak to dry to treated, one company in Northolt

Northolt's housing stock is dominated by 1930s semi-detached and terraced houses built around the Central Line and Grand Union Canal, alongside post-war council estates and low-rise flats near West End and Northolt Park. Many properties have had loft conversions, rear extensions and converted bathrooms added over decades, and this patchwork of alterations, combined with ageing original pipework, creates repeated opportunities for hidden leaks to develop unnoticed.

Leak Detection

Trace hidden water leaks without unnecessary damage using thermal, acoustic and tracer-gas methods. Leak detection →

Structural Drying

Dry walls, floors and voids after a leak or flood with monitored dehumidifiers, to completion. Structural drying →

Mould Treatment

Treat and prevent the mould that follows water damage, dealing with the moisture source first. Mould treatment →

Damp Investigation

Tell rising damp, penetrating damp and condensation apart, so the right repair is done once. Damp investigation →

Areas of Northolt we cover

We attend leaks right across Northolt and its neighbourhoods, including:

Common leaks in Northolt homes

Flat roof extensions on 1930s semis

Many Northolt semis along streets near Church Road and Ruislip Road have rear kitchen or bathroom extensions finished with flat roofs. Felt and asphalt coverings on these extensions perish with age and sun exposure, allowing rainwater to track along joists and ceiling voids for months before a stain appears, often causing hidden timber decay long before residents notice a problem.

Converted bathrooms leaking to rooms below

Northolt's older houses and postwar flats have frequently had bathrooms added above kitchens or moved during renovation. Where shower trays, waste pipes or tile grout seals have perished, water escapes silently through floor joists into the ceiling below, often only surfacing as discolouration or a sagging ceiling once significant damage has already occurred.

Failed pipework in ageing housing stock

Properties around Northolt Park and West End dating from the 1930s to 1950s often still contain original or early-replacement plumbing, including soldered joints and galvanised sections prone to corrosion. Escape of water from these failed joints can run behind plaster and under floors for extended periods, particularly in solid-floor houses where leaks are harder to trace without specialist detection equipment.

What our customers say

★★★★★

Clearly communication, easy to deal with and responsive. We would thoroughly recommend. The report was really detailed making our buying negotiations a lot stronger and leaving us with a clear plan of action with possible timeframes.

Ramani Young, via Google

★★★★★

Was lovely working with the team and they did a fantastic and quick job to get all the mould out of my bathroom. Very much looking forward to working with them on other projects around my house!! Thank you for everything and shout out to Karim for being so sweet!

Mariama, via Google

★★★★★

Omg what brilliant service, excellent the cleaner did a very good job was efficient he took his time and cleaned everything, highly recommend S. Bessim…

Susan Bessim, via Google

Tip: If your water meter ticks over with every tap off, or a wall or ceiling stays damp with no obvious cause, there is a hidden leak. Finding it early is far cheaper than repairing the mould and damage it leaves behind.

Suspect a leak in Northolt?

Call 020 3051 8478 or report a leak online. We trace, dry and treat for homeowners, landlords and managing agents across Northolt.

Frequently asked questions

How much does leak detection in Northolt cost?
Leak detection is £800 to £1500 depending on the scale and access. You get a written, insurance-ready report identifying the source.
Will you damage my home finding the leak?
No. We use non-destructive thermal imaging, acoustic sensors and tracer gas to pinpoint the leak before any access is opened up, so repairs are targeted.
Do you fix the damage after finding the leak?
Yes. A leak is not over when the water stops. We dry the structure with monitored dehumidifiers and treat any mould, so it is handled end to end.
Do you provide reports for insurance claims?
Yes. Every leak investigation comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents.

More help in Northolt

Damp and mould survey

Find the real cause of damp, mould or a leak in a Northolt property, with a written report and photographs. Damp survey in Northolt →

Structural drying

Dry walls, floors and voids in Northolt after a leak or flood, monitored to completion. Structural drying in Northolt →

Mould removal

Treat black mould in a Northolt property and fix the moisture source behind it. Mould removal in Northolt →