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Speak to a Specialist
Stockwell · SW9, SW8

Leak Detection in Stockwell

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

Stockwell's housing stock ranges from Victorian and Edwardian terraces split into flats through to large 1930s mansion blocks and post-war council estates such as Stockwell Park and Studley. This mix of ageing brickwork, shared soil stacks, flat-roofed estate blocks and repeatedly subdivided terraces creates numerous hidden pathways for water to travel unnoticed between floors and flats.

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 Stockwell we cover

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

Common leaks in Stockwell homes

Converted terraces with stacked bathrooms

Many Stockwell terraces were divided into two or three flats during the twentieth century, often stacking bathrooms directly above one another. Original waste pipes and floor joints were rarely designed for this layout, so perished seals around baths, showers and waste pipework let water seep into joists and travel sideways before it ever marks a ceiling below, leaving the flat downstairs with damp patches long after the actual leak began.

Flat roofs on estate blocks and infill extensions

Blocks on the Stockwell Park and Studley estates, along with rear extensions added to older terraces nearby, frequently feature flat roofs covered in felt or asphalt that degrades with age and weather exposure. Once the membrane splits or the upstands crack, rainwater tracks along the roof deck and drips down internal walls or ceilings well away from the original breach, making the leak source difficult to trace without proper investigation.

Ageing plumbing in mansion block conversions

Stockwell's 1930s mansion blocks and later conversions often retain original supply pipework alongside newer plastic plumbing installed during refurbishments, and the two rarely age at the same rate. Corroded joints, failed compression fittings behind boxed-in pipework, and worn washing machine or dishwasher connections can leak steadily for weeks inside a wall or floor void before residents in neighbouring flats notice a stain or a musty smell.

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 Stockwell?

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

Frequently asked questions

How much does leak detection in Stockwell 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 Stockwell

Damp and mould survey

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

Structural drying

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

Mould removal

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