Speak to a Specialist
Speak to a Specialist
Sutton · SM1, SM2, SM3, SM5

Mould Removal & Treatment in Sutton

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

Sutton's housing runs from Edwardian and 1930s semis in Cheam and Belmont to the dense St Helier cottage estate and Victorian terraces near the town centre, plus flats above Sutton High Street shops. Solid-walled older properties, shallow cavity walls in interwar semis and poorly ventilated converted flats all struggle to shed moisture, letting condensation and damp take hold on cold external walls.

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 Sutton we cover

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

Common causes of mould in Sutton homes

St Helier estate cottage homes and solid walls

Many St Helier estate houses were built with solid or narrow-cavity walls and small original windows, giving little insulation against cold spots. Modern double glazing and draught-proofing have cut ventilation without adding extraction, so moisture from cooking, bathing and drying clothes condenses on external walls and in corners, producing recurring black mould on bedroom and living room walls that simply repainting will not stop.

Converted flats above Sutton High Street and Cheam shops

Flats carved out of Victorian and Edwardian buildings above shops around Sutton town centre and Cheam often have single bathrooms with no window, limited airflow between rooms and shared roof or chimney breasts prone to penetrating damp. Steam has nowhere to escape, so mould spreads across bathroom ceilings and behind wardrobes on cold outer walls, and upstairs flats can pick up leaks travelling down from ageing roof coverings.

1930s semis in Cheam, Belmont and Worcester Park

The borough's many 1930s semi-detached houses have shallow cavity walls, original solid floors and bay windows that bridge cold easily. Loft conversions and rear extensions built without matching ventilation trap humid air, while ageing rendered elevations let rainwater track through hairline cracks. The result is mould around window reveals, on north-facing bedroom walls and behind furniture pushed against outside walls, especially once autumn heating starts.

What our customers say

★★★★★

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

★★★★★

Very helpful and professional, easy to communicate with about my mould issues and I received fast responses from the company on the best solutions for me. would recommend to all friends and family. 5/5

Jensen B, 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 Sutton?

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

Frequently asked questions

How much does mould removal in Sutton 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.