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Slough · SL1, SL2, SL3

Mould Removal & Treatment in Slough

Professional mould removal across Slough, 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 Slough homeowners, landlords & property managers

Last updated 19 September 2026

Quick answer: Damp & Mould Solutions UK removes and treats black mould at properties in Slough, 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 Slough

Slough's housing mix spans Victorian terraces in Chalvey, 1930s semis in Cippenham and Upton, post-war council stock in Britwell, and dense modern flats near the trading estate. Solid-walled older homes with poor insulation, overcrowded HMOs with limited ventilation, and airtight new-build flats each trap moisture differently, giving the town a wide spread of condensation-related mould problems.

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 Slough we cover

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

Common causes of mould in Slough homes

Solid-Walled Victorian Terraces in Chalvey and the Town Centre

Many of Slough's older terraces near Chalvey and the town centre were built with solid brick walls and no cavity, so they rely on breathable finishes to manage moisture. Modern cement renders and impermeable paints trap dampness inside the wall, driving penetrating damp and black mould across external walls, behind wardrobes and in cold corners where air cannot circulate.

Overcrowded HMOs and Flats Near the Trading Estate

Slough's large shared and multi-occupancy housing, common around the town centre and industrial areas, often houses more occupants than the ventilation was designed for. Cooking, drying laundry indoors and limited extractor use push humidity levels up quickly, and landlords' fixed-price heating limits airflow further. The result is recurring black mould in bathrooms, bedrooms and behind wardrobes pushed against external walls.

Post-War Council Semis and Estates in Britwell and Langley

The post-war semis and estates built across Britwell, Langley and parts of Cippenham often have flat-roofed extensions, shallow lofts and ageing guttering that let water in unnoticed. Once damp gets behind plasterboard or into loft insulation it feeds mould around ceilings and window reveals, and a single missed leak can spread black mould through an entire room before it is spotted.

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 Slough?

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

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Frequently asked questions

How much does mould removal in Slough 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 Slough

Damp and mould survey

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

Leak detection

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

Structural drying

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