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Harlow · CM17, CM18, CM19, CM20

Mould Removal & Treatment in Harlow

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

Harlow's housing stock reflects its origins as a 1950s-60s New Town: concrete panel system-built homes, flat-roofed maisonettes and solid-wall terraces sit alongside later estates like Bush Fair, Church Langley and Newhall. Poor cavity insulation, cold bridging through concrete panels and ageing flat roofs leave many properties prone to condensation and penetrating damp, feeding recurring 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 Harlow we cover

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

Common causes of mould in Harlow homes

Concrete system-built homes and cold bridging

Harlow's 1950s and 60s neighbourhoods such as Mark Hall, Netteswell and Tye Green were built using concrete panel and prefabricated construction with minimal insulation. Thermal bridging at panel joints, lintels and window reveals leaves internal surfaces cold, so warm moist air condenses there rather than evaporating, producing black mould around window frames, in corners and along external walls even when the property is well ventilated.

Flat roofs on maisonettes and flats

Many low-rise maisonette blocks and flats across Staple Tye, Sumners and Bush Fair still carry original flat roofs and parapet gutters that were never intended to last this long. As the felt or asphalt covering ages and cracks, rainwater tracks slowly through the ceiling void, showing up as brown staining and black mould on top-floor bedroom ceilings and bathroom corners well before any leak becomes obvious inside the flat below.

Solid-wall terraces without cavity protection

Older housing in Old Harlow and Potter Street predates standard cavity wall construction, so solid brick walls draw in moisture during wet weather and are slow to dry out. Without adequate background ventilation, that moisture evaporates internally and condenses on cold plaster, wardrobes and headboards pushed against outside walls, creating hidden black mould behind furniture in bedrooms and bathrooms that residents often only notice once items are moved.

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 Harlow?

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

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Frequently asked questions

How much does mould removal in Harlow 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 Harlow

Damp and mould survey

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

Leak detection

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

Structural drying

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

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