Speak to a Specialist
Speak to a Specialist
North Finchley · N12, N3, N20, N11

Mould Removal & Treatment in North Finchley

Professional mould removal across North Finchley, 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 North Finchley homeowners, landlords & property managers
Quick answer: If you have black mould at a property in North Finchley, 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 North Finchley

North Finchley's housing runs from Edwardian and 1930s terraces around Torrington Park to semi-detached suburban homes near Woodside Park and post-war flats along the High Road. Solid brick walls without cavity insulation, original single-glazed sashes and flat-roofed rear additions are common, all of which trap moisture and make condensation and black mould a recurring problem across the area.

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 North Finchley we cover

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

Common causes of mould in North Finchley homes

Solid-wall Edwardian terraces holding damp

Many terraces around Torrington Park and the older streets off the High Road have solid brick walls with no cavity, so they rely on breathable finishes and good ventilation to manage moisture. Modern renders or gypsum plasters trap dampness inside the wall, driving penetrating damp and black mould across chimney breasts, external corners and behind wardrobes pushed against outside walls.

1930s semis with cold bedroom corners

The semi-detached homes typical of Woodside Park and West Finchley often have thin external corner walls in bedrooms and box rooms, with wardrobes and beds pushed flush against them. Poor airflow behind furniture combined with cold bridging at these corners produces black spore mould on walls and skirting, especially through autumn and winter when heating is used intermittently.

Flat conversions and ex-council blocks with bathroom mould

Converted period houses and post-war flats near New Southgate and the High Road frequently have small, poorly ventilated bathrooms and kitchens without working extractor fans. Steam has nowhere to escape, settling on ceilings, tiled reveals and window frames, while shared roofs and old flat-roof extensions to the rear add a second source of mould from slow, undetected leaks above.

What our customers say

★★★★★

Was lovely working with the team and they did a fantastic and quick job to get all the mould out of my bathroom. Very much looking forward to working with them on other projects around my house!! Thank you for everything and shout out to Karim for being so sweet!

Mariama, via Google

★★★★★

Omg what brilliant service, excellent the cleaner did a very good job was efficient he took his time and cleaned everything, highly recommend S. Bessim…

Susan Bessim, via Google

★★★★★

Amazing company! They responding very quickly. They have a low prices as well, not crazy quotes like from others. Job has been done very quickly and team was very professional. I will use them in the future if I needed. Thanks!

Patryk Gutowski, 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 North Finchley?

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

Frequently asked questions

How much does mould removal in North Finchley 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.