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Osterley · TW7

Mould Removal & Treatment in Osterley

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

Osterley's housing is dominated by 1930s semi-detached and terraced homes built around the Osterley Park estate, many with solid or early cavity walls, alongside postwar infill and flat conversions near Great West Road. Original single glazing has often been replaced without added ventilation, while dated pebbledash and rendering trap moisture, making condensation and penetrating damp common triggers for mould.

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 Osterley we cover

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

Common causes of mould in Osterley homes

Cold bridging in 1930s semis

Many Osterley semis along roads near Thornbury Avenue and Wyke Green have solid brick sections or poorly filled early cavity walls where heat escapes quickly. This creates cold patches behind wardrobes and sofas pushed against external walls, where black mould develops unnoticed. We identify the cold bridges causing it and treat affected plaster before recommending insulation fixes that stop it returning.

Loft and rear extension conversions

Osterley's popular loft conversions and rear kitchen extensions often added bedrooms and bathrooms without matching extractor fan capacity. Steam from showers and cooking condenses on newly plastered ceilings and around uPVC window frames, feeding mould growth in rooms that previously had none. We treat the mould and assess ventilation shortfalls so moisture stops building up in these newer spaces.

Flat roofs and older guttering on conversions

Converted houses and low-rise flats around Spring Grove and Lampton often retain original flat roof sections or ageing cast iron guttering prone to leaks. Water tracking through parapets or blocked downpipes causes penetrating damp and mould staining on ceilings and upper walls, sometimes months after the original leak. We trace the moisture source, treat the mould, and advise on repairs to prevent recurrence.

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 Osterley?

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

Book online

Frequently asked questions

How much does mould removal in Osterley 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 Osterley

Damp and mould survey

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

Leak detection

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

Structural drying

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

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