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Speak to a Specialist
Carshalton · SM5, SM6

Mould Removal & Treatment in Carshalton

Professional mould removal across Carshalton, treating black mould at the source. We find why the mould is there, condensation, penetrating damp or a hidden leak, then treat it and fix the cause so it does not come back.

★★★★★ 4.9 from 18 Google reviews · trusted by Carshalton homeowners, landlords & property managers
Quick answer: If you have black mould at a property in Carshalton, we remove it properly and deal with the moisture driving it, rather than painting over it. 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. We start with a damp and mould survey (£500) to find the cause, then treat the mould and fix the source. Call 020 3051 8478.

Leak to dry to treated, one company in Carshalton

Carshalton's housing runs from Victorian and Edwardian terraces around the village ponds to 1930s semis in Carshalton Beeches and postwar estates towards The Wrythe and St Helier. The area sits over a high water table near the River Wandle's source, so older solid-wall properties and poorly ventilated conversions are especially prone to damp and mould.

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 →

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 →

Areas of Carshalton we cover

We treat mould right across Carshalton and its neighbourhoods, including:

Common causes of mould in Carshalton homes

Solid-wall terraces near the village and ponds

Many Victorian and Edwardian terraces around Carshalton village were built with solid brick walls and shallow or failed damp-proof courses. Combined with the naturally high water table near the ponds and River Wandle, groundwater is drawn up through masonry, producing penetrating and rising damp that shows as black mould on skirtings, chimney breasts and ground-floor walls.

1930s semis with bridged cavities in Carshalton Beeches

The bay-windowed semis common in Carshalton Beeches and Woodmansterne have cavity walls, but decades of loft conversions, render repairs and flower beds built up against brickwork have bridged the cavity in places. Moisture tracks across the bridge into bedrooms and bathrooms, leaving cold patches and mould around window reveals and in corners furthest from radiators.

Converted flats and rented terraces with poor airflow

Flats carved from larger houses around St Helier, Rosehill and The Wrythe often have single-glazed windows, limited extraction and furniture pushed against external walls. Cooking and bathing moisture cannot escape, so condensation forms overnight and mould develops behind wardrobes and beds, an issue that returns quickly unless ventilation and heating patterns are addressed alongside any leak or damp source.

What our customers say

★★★★★

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

★★★★★

Very helpful and professional, easy to communicate with about my mould issues and I received fast responses from the company on the best solutions for me. would recommend to all friends and family. 5/5

Jensen B, via Google

★★★★★

I recently used a damp and mould specialist company and was extremely impressed with the service from start to finish. From the initial survey, they were knowledgeable, thorough, and took the time to clearly explain the cause of the issue rather than just treating the symptoms.

Tarik Barak, via Google

Tip: Wiping mould off with bleach and repainting hides it for a few weeks, then it returns. Mould is a moisture problem, so unless the condensation, damp or leak feeding it is fixed, it always comes back.

Mould problem in Carshalton?

Call 020 3051 8478 or book a mould survey online. We remove mould and fix the cause for homeowners, landlords and managing agents across Carshalton.

Frequently asked questions

How much does mould removal in Carshalton cost?
It depends on the cause and extent. We start with a damp and mould survey at £500 to find the moisture source, then quote the treatment. Treating the surface without the source means the mould returns.
Is black mould in my home dangerous?
Black mould affects indoor air quality and is best removed promptly. We treat the mould and fix the moisture driving it, so the problem is dealt with at the cause.
Will the mould come back after treatment?
Not if the moisture source is fixed. We find and address the cause, whether condensation, penetrating damp or a leak, rather than just cleaning the surface.
Do you find what is causing the mould?
Yes. Every job starts by identifying why the mould is there, using a proper damp and mould survey, so the treatment lasts.