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Penge · SE20, BR3

Mould Removal & Treatment in Penge

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

Last updated 19 September 2026

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

Penge's housing stock is dominated by Victorian and Edwardian terraces, many long ago converted into flats, alongside red-brick mansion blocks and parades of shops with flats above. Solid, uninsulated walls, older sash windows and compact converted kitchens and bathrooms with limited extraction all restrict airflow, so moisture from daily living becomes trapped and condenses on cold surfaces, encouraging black mould to establish on walls, ceilings and around window reveals.

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 Penge we cover

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

Common causes of mould in Penge homes

Converted terraces with poor ventilation

Many of Penge's Victorian terraces were split into flats decades ago, often without upgrading extraction in bathrooms and kitchens. Steam and moisture from showers and cooking has nowhere to escape, so it settles on solid brick walls and ceilings. Over time this produces persistent black mould, particularly in internal bathrooms and box bedrooms with little natural airflow.

Bay windows and original sash frames

The bay windows and timber sash frames common on Penge's period streets create cold bridges where warm, moist indoor air meets a chilled surface. This causes condensation to run down the glass and reveals, soaking plaster and window frames. Left unchecked, it develops into black mould around the window recesses, sills and adjoining wall sections, especially through autumn and winter.

Ground floor and basement flat conversions

Lower ground floor and basement conversions, found across Penge's larger period properties, sit closest to external ground levels and are more exposed to penetrating damp and rising moisture through solid walls. This dampness often surfaces as mould behind wardrobes, sofas and beds pushed against external walls, where reduced air circulation lets moisture linger and mould take hold unnoticed.

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 Penge?

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

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Frequently asked questions

How much does mould removal in Penge 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 Penge

Damp and mould survey

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

Leak detection

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

Structural drying

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