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Carshalton · SM5

Leak Detection in Carshalton

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

★★★★★ 5.0 from 21 Google reviews · trusted by Carshalton homeowners, landlords & property managers
Quick answer: If you have a suspected water leak at a property in Carshalton, 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 a fixed £650. Tell us when you need us and we will fit the visit around you as closely as we can. If it is urgent, call 020 3051 8478.

Leak to dry to treated, one company in Carshalton

Carshalton's housing spans Victorian and Edwardian terraces around the historic Ponds, 1930s semis in Carshalton Beeches, post-war council stock at Roundshaw, and numerous period houses split into flats. The area sits over natural springs feeding the River Wandle, so a high water table often masks slow leaks under ground floors until damage is well advanced.

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 Carshalton we cover

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

Common leaks in Carshalton homes

Old Pipework Under Suspended Timber Floors

Many Victorian and Edwardian terraces near Carshalton Ponds still have original or ageing lead and cast iron pipe runs beneath suspended timber ground floors. Joints perish quietly over years, and because the area already has a naturally high water table, residents often assume damp smells or damp boards are groundwater rather than a failed pipe, delaying repairs and letting rot spread through joists.

Perished Flat Roofs on 1930s Rear Extensions

The semi-detached houses common across Carshalton Beeches and Woodcote were frequently extended with flat-roofed kitchens or bathrooms. The felt or old rubber coverings on these small roofs degrade with age and UV exposure, allowing rainwater to seep in gradually rather than pour through. Staining spreads slowly across ceiling plaster, so the source is often mistaken for condensation rather than a failing roof seal.

Upstairs Bathrooms Leaking Into Converted Flats Below

Several larger period properties around Wallington and The Grove have been divided into flats, with an upstairs bathroom sitting directly above a separate downstairs unit. Perished sealant around baths, showers or waste pipes lets water escape gradually into the floor void. Because the two flats are separately occupied, the leak is often noticed only when a ceiling stain appears below, long after the water damage has taken hold.

What our customers say

Excellent
Rated 5.0 / 5 based on 21 reviews on
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 Carshalton?

Tell us the date you would like. Next-day visits are possible for urgent leaks: call the team on 020 3051 8478 and we will confirm a time.

Book online

Frequently asked questions

How much does leak detection in Carshalton cost?
Leak detection is a fixed £650. Tell us when you need us and we will fit the visit around you as closely as we can. If it is urgent, call us on 020 3051 8478. 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 Carshalton

Damp and mould survey

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

Structural drying

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

Mould removal

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

See what you get before you book: read a real survey report from start to finish.