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Southwark · SE1, SE5, SE15, SE16, SE17, SE21, SE22

Mould Removal & Treatment in Southwark

Professional mould removal across Southwark, 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 21 Google reviews · trusted by Southwark homeowners, landlords & property managers
Quick answer: Damp & Mould Solutions UK removes and treats black mould at properties in Southwark, 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, £500, or £450 when you book online and pay the deposit. Call 020 3051 8478.

Leak to dry to treated, one company in Southwark

Southwark's housing stock ranges from Victorian terraces in East Dulwich, Peckham and Camberwell to converted warehouse flats in Bermondsey and Rotherhithe, post-war council estates around Walworth and Elephant and Castle, and newer riverside developments near Surrey Quays and Canada Water. This mix of solid-wall properties, tightly sealed conversions and dense estate living creates varied conditions for condensation and damp to develop, especially where original ventilation has been lost or blocked over time.

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 Southwark we cover

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

Common causes of mould in Southwark homes

Solid-wall Victorian terraces in East Dulwich, Peckham and Camberwell

Many of Southwark's terraced streets were built without cavity walls, so external walls stay cold and attract condensation once heating patterns change or a chimney breast is blocked. Black mould commonly appears on north-facing bedroom walls, behind wardrobes pushed against external walls, and around single-glazed sash windows, particularly in properties where loft or floor insulation has been added without addressing background ventilation.

Converted warehouse and riverside flats in Bermondsey and Rotherhithe

Former warehouse conversions and older riverside buildings often mix original brickwork with modern airtight fit-outs, trapping moisture indoors with nowhere to escape. Steel-framed windows and old pointing can let in penetrating damp during heavy rain, while poor extraction in compact bathrooms and kitchens leaves mould forming around window reveals, in corners of open-plan living spaces, and behind fitted furniture that blocks airflow to the wall.

Council estate flats and maisonettes around Walworth and Elephant and Castle

Concrete-framed estate blocks are prone to cold bridging at window lintels, balcony edges and external corners, so mould frequently tracks along ceiling perimeters and above windows in these flats. Where a historic roof or plumbing leak has left materials damp, or where flat roofs and parapet walls have deteriorated, mould can spread across ceilings and top-floor bedroom walls long after the original leak has been patched rather than properly resolved.

What our customers say

Excellent
Rated 5.0 / 5 based on 21 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 Southwark?

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

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Frequently asked questions

How much does mould removal in Southwark 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, £500, or £450 when you book online and pay the deposit. 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 Southwark

Leak detection

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

Structural drying

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

See what you get before you book: read a real survey report from start to finish.