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Welling · DA16, DA15

Mould Removal & Treatment in Welling

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

Last updated 19 September 2026

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

Welling's housing stock is dominated by 1920s and 1930s semi-detached and terraced homes built as the area grew along the Bexleyheath railway line, alongside pockets of post-war infill and 1960s ex-council terraces near Danson Park. Solid-wall construction, original single-glazed frames replaced piecemeal, and shallow Victorian-era extensions on some plots leave many properties prone to trapped moisture, cold bridging and rising or penetrating damp that feeds mould growth.

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 Welling we cover

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

Common causes of mould in Welling homes

Solid-wall semis losing heat around Danson Park and East Wickham

Many of Welling's 1930s solid-wall semis near Danson Park and East Wickham lack cavity insulation, so internal wall surfaces run cold against outside air. Moist household air condenses on these cold spots, particularly in corner bedrooms and behind wardrobes pushed against external walls, producing recurring black spore patches that return within weeks of a simple wipe-down clean.

Bay windows and old frames trapping condensation

Original or ageing bay windows are common on Welling's terraced and semi-detached streets, and many still have single glazing or poorly sealed replacement units. Warm indoor moisture meets cold glass and frames overnight, running down onto sills and surrounding plaster. Left untreated, this steady condensation feeds mould growth around window reveals, curtains and nearby ceiling corners in bathrooms and bedrooms.

Rear extensions and ex-council terraces holding damp

Flat-roofed kitchen extensions and 1960s ex-council terraces around Falconwood and Blackfen frequently show signs of penetrating damp where roof coverings or flashings have aged, or where a past leak was patched without addressing the source. Moisture tracks into ceiling voids and stud walls, surfacing as mould behind kitchen units, in airing cupboards and along ceiling junctions long after the original leak was noticed.

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 Welling?

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

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Frequently asked questions

How much does mould removal in Welling 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 Welling

Damp and mould survey

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

Leak detection

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

Structural drying

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