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Barnes · SW13

Mould Removal & Treatment in Barnes

Professional mould removal across Barnes, 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.

★★★★★ 5.0 from 20 Google reviews · trusted by Barnes homeowners, landlords & property managers

Last updated 19 September 2026

Quick answer: Damp & Mould Solutions UK removes and treats black mould at properties in Barnes, and deals with the moisture driving it rather than painting over it. Mould treatment starts from £300, with a fixed price confirmed from photos or a short video before we attend. 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. If the cause of the moisture is not clear, a full damp and mould survey is a separate service at £450. Call 020 3051 8478.

Leak to dry to treated, one company in Barnes

Barnes is dominated by Victorian and Edwardian terraces, riverside cottages near the Thames and converted period houses split into flats, many with solid brick walls and original single glazing. This older housing stock, combined with the area's low-lying position close to the river and Barnes Pond, leaves properties prone to condensation, penetrating damp and lingering moisture that quickly develops into black 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 Barnes we cover

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

Common causes of mould in Barnes homes

Riverside damp near the Thames

Homes close to the river and Barnes Pond, particularly around Barnes Bridge and Barn Elms, sit on ground with a naturally high water table. After heavy rain or seasonal flooding, moisture is drawn up through solid brick walls and floors, feeding penetrating damp that surfaces as black mould on skirting boards, lower walls and behind furniture pushed against external walls.

Solid-wall Victorian and Edwardian terraces

Much of Barnes Village and Castelnau consists of solid brick terraces built without cavity walls or modern insulation. These walls struggle to manage moisture, so warm indoor air condenses against cold internal surfaces, particularly in bedrooms and on north-facing walls, leaving patches of black mould that keep returning unless the underlying cold-bridging and ventilation issues are addressed.

Converted flats with restricted airflow

Many period houses across Barnes have been divided into flats with smaller bathrooms and bedrooms lacking adequate extraction. Combined with original or poorly maintained sash windows, everyday moisture from cooking, bathing and drying clothes has nowhere to escape, causing condensation to gather on window reveals, ceilings and in wardrobes and corners where air barely circulates.

What our customers say

Excellent
Rated 5.0 / 5 based on 20 reviews on
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 Barnes?

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

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Frequently asked questions

How much does mould removal in Barnes cost?
Mould treatment starts from £300, with a fixed price confirmed from photos or a short video before we attend. If the cause of the moisture is not clear, a full damp and mould survey is a separate service at £450. 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.

More help in Barnes

Damp and mould survey

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

Leak detection

Trace a hidden water leak in Barnes using thermal, acoustic and tracer gas methods, with minimal damage. Leak detection in Barnes →

Structural drying

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