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Haringey · N4, N8, N10, N11, N13, N15, N17, N22

Mould Removal & Treatment in Haringey

Professional mould removal across Haringey, 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.

★★★★★ 4.9 from 18 Google reviews · trusted by Haringey homeowners, landlords & property managers
Quick answer: If you have black mould at a property in Haringey, we remove it properly and deal with the moisture driving it, rather than painting over it. 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. We start with a damp and mould survey (£500) to find the cause, then treat the mould and fix the source. Call 020 3051 8478.

Leak to dry to treated, one company in Haringey

Haringey's housing runs from Victorian and Edwardian terraces in Crouch End, Hornsey and Harringay, through 1930s semis around Muswell Hill and Alexandra Park, to converted flats and postwar estates in Tottenham and Wood Green. Solid walls, subdivided properties, ageing sash windows and dense occupancy all restrict airflow, so moisture builds up and black mould takes hold on cold surfaces.

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 Haringey we cover

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

Common causes of mould in Haringey homes

Converted Victorian terraces with no ventilation route

Many terraces in Crouch End, Hornsey and Harringay were split into flats decades ago, often without extractor fans added to bathrooms or kitchens. Solid brick walls carry no cavity, so they stay cold and draw condensation from cooking, showering and drying laundry indoors. Mould gathers on external walls, around original sash windows and behind wardrobes pushed against unheated elevations.

Estate and high-rise flats with cold bridging

Postwar blocks and maisonettes around Tottenham and Wood Green often have concrete construction with thermal bridging at window reveals, corners and lintels. These cold spots reach dew point quickly, and with limited through-ventilation in single-aspect flats, black mould develops in bedroom corners, behind furniture and in en-suite bathrooms even where residents ventilate carefully.

1930s semis with flat-roof extensions and old leaks

Semi-detached houses around Muswell Hill and Alexandra Park frequently have rear or side flat-roof extensions and bay windows added over the years. Failed roof coverings, cracked pointing or old flashing let water track into ceilings and wall cavities unnoticed. Once the original leak is patched, residual damp trapped in plaster and insulation keeps feeding mould long after the roof itself is fixed.

What our customers say

★★★★★

Really impressed with the whole experience. The surveyor did a proper, thorough job and didn't rush anything, they got to the root cause of the damp and explained it all clearly. Detailed, professional and reassuring from start to finish. Couldn't recommend them more highly.

Keiryn Raf, via Google

★★★★★

Very professional and organised I must say came out and completed the work very efficiently customer service was excellent. Definitely recommend this damp and mould service to anyone looking for a job done correctly. :)

Joeie Rouse, via Google

★★★★★

I have been dealing with damp and mould for years but these guys were able to come in and resolve the problem quickly and professionally. Their prices were fair and reasonable and they got the job done clean. 10/10 would use again and would recommend.

Thersa Waron Eurmind, via Google

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 Haringey?

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

Frequently asked questions

How much does mould removal in Haringey cost?
It depends on the cause and extent. We start with a damp and mould survey at £500 to find the moisture source, then quote the treatment. 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.