Book onlineSpeak to a Specialist
Speak to a SpecialistBook online
New Malden · KT3, KT4

Mould Removal & Treatment in New Malden

Professional mould removal across New Malden, 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 New Malden homeowners, landlords & property managers
Quick answer: Damp & Mould Solutions UK removes and treats black mould at properties in New Malden, 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 £500. Call 020 3051 8478.

Leak to dry to treated, one company in New Malden

New Malden's housing stock is largely 1930s semi-detached and detached homes with bay windows and solid or early cavity brickwork, alongside Victorian and Edwardian terraces near the town centre that have since been converted into flats. This mix of older masonry, single-glazed reveals and poorly ventilated conversions creates cold spots and trapped moisture, ideal conditions for black mould on walls, ceilings and around window frames.

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 New Malden we cover

We treat mould right across New Malden and its neighbourhoods, including:

Common causes of mould in New Malden homes

Cold bridging around 1930s bay windows

Many New Malden semis retain original bay windows with thin single-glazed frames and minimal insulation around the reveals. These become cold bridges where warm, moist household air condenses on contact, producing black mould spotting on the surrounding plaster and sills. Left untreated, it spreads along ceiling edges in adjoining bedrooms and living rooms, particularly through autumn and winter.

Loft and rear extensions trapping moisture

Popular loft conversions and rear kitchen extensions across New Malden's semis often alter airflow without adding proper extraction. Bathrooms tucked into converted lofts and new en suites frequently lack adequate ventilation, so steam and humidity linger, settling as mould on ceilings, in corners and around shower enclosures where the original design never accounted for the extra moisture load.

Damp ingress in converted terraces and flats

Victorian and Edwardian terraces near New Malden town centre, many split into flats and maisonettes, suffer from ageing brickwork, worn pointing and flat roof sections prone to penetrating damp. Combined with restricted airflow in subdivided rooms, moisture tracks through walls and behind wardrobes or sofas pushed against external walls, encouraging hidden mould growth that residents often only notice once furniture is moved.

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 New Malden?

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

Book online

Frequently asked questions

How much does mould removal in New Malden 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 £500. 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 New Malden

Damp and mould survey

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

Leak detection

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

Structural drying

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

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