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Bexley · DA5, DA6, DA7, DA14, DA15, DA16

Mould Removal & Treatment in Bexley

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

Last updated 19 September 2026

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

Bexley's housing stock ranges from 1930s semis in Blackfen and Barnehurst to Victorian terraces around Bexleyheath and Erith, plus post-war ex-council stock in Slade Green and Northumberland Heath. Solid brick walls with little cavity insulation, ageing single-glazed windows and loft conversions with poor ventilation all combine to trap moisture, making condensation and black mould a recurring issue across the borough.

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 Bexley we cover

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

Common causes of mould in Bexley homes

Condensation mould in 1930s semis

Blackfen and Barnehurst semis often retain original solid or narrow-cavity walls with limited insulation, so internal surfaces stay cold relative to room air. Steam from kitchens and bathrooms condenses on these cold spots, feeding black mould around window reveals, in corners and on north-facing bedroom walls, especially once furniture is pushed hard against external walls.

Penetrating damp in Victorian terraces

Older terraced houses near Bexleyheath and Erith frequently have ageing pointing, worn roof coverings or blocked gutters that let water penetrate solid brick walls. This creates damp patches and mould on ceilings and upper walls that recur every wet season unless the actual entry point, not just the visible mould, is identified and repaired.

Post-leak mould in ex-council flats

Flats and maisonettes around Slade Green and Northumberland Heath sometimes carry hidden damage from past pipe leaks or overflowing baths, with moisture trapped behind skirting, under flooring or inside stud walls. Surface mould can reappear on plaster and behind furniture long after the original leak was thought fixed, because residual dampness was never fully dried out.

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 Bexley?

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

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Frequently asked questions

How much does mould removal in Bexley 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 Bexley

Damp and mould survey

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

Leak detection

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

Structural drying

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