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Hornsey · N8, N6, N10, N4, N22

Mould Removal & Treatment in Hornsey

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

Hornsey's housing stock is dominated by Victorian and Edwardian terraces and semis, many carved into flats, alongside interwar semis near Priory Park and postwar blocks around Turnpike Lane. Solid brick walls, single-glazed sash windows and cramped converted bathrooms combine to trap moisture, making condensation, penetrating damp and mould around windows and in bathrooms a recurring problem.

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 Hornsey we cover

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

Common causes of mould in Hornsey homes

Solid-wall Victorian terraces and condensation mould

Much of Hornsey's terraced housing around Rokesly and Hornsey Vale was built with solid brick walls and no cavity, so internal surfaces run cold in winter. Warm, moist air from cooking, bathing and drying laundry indoors condenses on these cold walls and single-glazed window reveals, leaving black mould around frames, in corners and on ceilings, especially in bedrooms with limited airflow.

Converted flats with poorly ventilated bathrooms and kitchens

Many large Hornsey houses near Crouch End and Middle Lane were split into flats decades ago, often leaving bathrooms and kitchens without external walls or working extractor fans. Steam has nowhere to escape, so mould spreads across ceilings, tile grout and behind wardrobes pushed against external walls, while ground-floor and lower-ground flats also face penetrating damp through ageing solid walls and neglected guttering.

Ex-local authority blocks and cold bridging near Turnpike Lane

Postwar and 1960s-70s blocks around Turnpike Lane and Wood Green were built with concrete panels and minimal insulation, creating cold bridges at corners, window lintels and behind fitted furniture. Residents heating only living areas leave bedrooms noticeably colder, so moisture condenses overnight and mould takes hold behind beds and wardrobes, often mistaken for a leak until the moisture source is properly traced.

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 Hornsey?

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

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Frequently asked questions

How much does mould removal in Hornsey 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 Hornsey

Damp and mould survey

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

Leak detection

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

Structural drying

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

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