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Clapham North · SW4, SW9

Mould Removal & Treatment in Clapham North

Professional mould removal across Clapham North, 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 Clapham North homeowners, landlords & property managers
Quick answer: Damp & Mould Solutions UK removes and treats black mould at properties in Clapham North, 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 Clapham North

Clapham North mixes Victorian terraces converted into flats, purpose-built mansion blocks near the High Street, ex-local authority estates around Larkhall and Studley, and basement or lower-ground conversions. Solid brick walls, shared plumbing, single-glazed sash windows and dense multi-occupancy living all restrict airflow and trap moisture, making condensation and damp-related mould a recurring issue across the area's older stock.

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 Clapham North we cover

We treat mould right across Clapham North and its neighbourhoods, including:

Common causes of mould in Clapham North homes

Condensation mould in Victorian terrace conversions

Many Clapham North terraces off Clapham Manor Street and Voltaire Road were split into flats decades ago, leaving small bathrooms and bedrooms with little or no extraction. Solid brick walls have no cavity to buffer moisture, so warm, humid air condenses on cold plaster. Black mould builds up on bedroom walls, in wardrobes and behind furniture pushed against external walls, especially over winter.

Penetrating damp in basement and lower-ground flats

The lower-ground and basement flats common around Clapham Park and Larkhall sit below street level, where ageing tanking, cracked external render or leaking gutters let water penetrate solid brickwork. Once inside, damp tracks along skirting and up chimney breasts, feeding mould growth that keeps reappearing after redecoration until the actual entry point for the water is traced and sealed.

Cold bridging and window mould in mansion blocks and ex-council flats

The purpose-built mansion blocks and ex-local authority estates near the High Street and Stockwell border often have concrete floor slabs and metal or early uPVC window frames that create cold bridges. Moisture condenses fastest at these weak points, producing black mould around window reveals, in corners and along ceiling edges, particularly in flats with limited cross-ventilation between rooms.

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 Clapham North?

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

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Frequently asked questions

How much does mould removal in Clapham North 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 Clapham North

Damp and mould survey

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

Leak detection

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

Structural drying

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

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