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Mottingham · SE9

Mould Removal & Treatment in Mottingham

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

Last updated 19 September 2026

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

Mottingham is dominated by the 1920s and 1930s London County Council cottage estate, solid brick semis and terraces with small rooms, bay windows and original single-glazed frames in places. Many have shallow cavity walls or older solid brick sections, poor sub-floor ventilation and ageing pointing, all of which trap moisture and encourage condensation and black mould in colder rooms.

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 Mottingham we cover

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

Common causes of mould in Mottingham homes

Bay window and bedroom corner mould in LCC-era semis

The bay-fronted semis typical of the Mottingham estate have colder front bedroom corners where three external walls meet, often with old timber frames and thin brickwork. Warm moist air condenses here overnight, feeding black mould around window reveals and behind wardrobes pushed against these walls. Original single glazing and limited trickle ventilation make the problem worse through autumn and winter.

Solid wall damp in older cottages near the village core

Around the older cottages and terraces near Court Road and the historic village centre, solid brick walls lack a cavity, so penetrating damp from driving rain and failed external pointing pushes moisture through to internal plaster. This shows as damp patches and mould blooming on chimney breasts and ceilings below poorly maintained flat roof extensions, particularly where render or pointing has not been renewed.

Bathroom and rear extension mould from poor ventilation

Many Mottingham homes have added rear bathrooms, kitchen extensions or loft conversions without upgrading extractor ventilation, so steam from showers and cooking has nowhere to escape. Combined with older single-skin extension walls and cold ceilings, this produces persistent black mould around bathroom tiling, extractor fans and behind furniture in adjoining bedrooms where warm air meets a colder external wall.

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 Mottingham?

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

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Frequently asked questions

How much does mould removal in Mottingham 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 Mottingham

Damp and mould survey

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

Leak detection

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

Structural drying

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