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Oval · SW8, SW9

Leak Detection in Oval

Non-destructive water leak detection across Oval, 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 Oval homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Oval, 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 Oval

Oval's housing stock is a mix of Victorian and Edwardian terraces converted into flats, purpose-built mansion blocks near the cricket ground, and post-war and modern developments towards Vauxhall and Nine Elms. Many terraces have been split into multiple flats sharing original pipework and roofs, while older conversions often retain ageing bathrooms and flat roof extensions, all of which raise the risk of hidden water damage.

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 Oval we cover

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

Common leaks in Oval homes

Converted terraces and shared pipework

Many Victorian and Edwardian houses around Oval were divided into flats decades ago, leaving plumbing runs, stacks and joints serving several households through boxed-in voids. A failed joint or corroded pipe between floors can leak for weeks unnoticed, tracking along joists and emerging as staining on a ceiling far from the actual source, making leak detection essential before repairs begin.

Flat roof extensions to rear closets and bathrooms

Rear additions housing bathrooms and kitchens are common across Oval's terraced streets, many finished with felt or asphalt flat roofs installed years ago. Perished membranes, cracked upstands and blocked outlets let rainwater penetrate slowly, saturating insulation and timber above ceilings below. Damage often stays hidden until plasterboard sags or mould appears, by which time the roof covering has been failing for some time.

Upper-floor bathrooms leaking into flats below

In blocks and converted houses around Kennington Park and Stockwell borders, bathrooms sit directly above neighbouring flats rather than gardens. Perished shower seals, cracked tray joints or failed waste connections allow water to seep through the floor structure, affecting the ceiling and walls of the property below. Because the leak source is upstairs, tracing it accurately requires proper detection rather than guesswork.

What our customers say

★★★★★

Really impressed with the whole experience. The surveyor did a proper, thorough job and didn't rush anything, they got to the root cause of the damp and explained it all clearly. Detailed, professional and reassuring from start to finish. Couldn't recommend them more highly.

Keiryn Raf, via Google

★★★★★

Very professional and organised I must say came out and completed the work very efficiently customer service was excellent. Definitely recommend this damp and mould service to anyone looking for a job done correctly. :)

Joeie Rouse, via Google

★★★★★

I have been dealing with damp and mould for years but these guys were able to come in and resolve the problem quickly and professionally. Their prices were fair and reasonable and they got the job done clean. 10/10 would use again and would recommend.

Thersa Waron Eurmind, 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 Oval?

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

Frequently asked questions

How much does leak detection in Oval 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 Oval

Damp and mould survey

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

Structural drying

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

Mould removal

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