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Portslade · BN41, BN42

Mould Removal & Treatment in Portslade

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

Portslade's housing runs from Victorian and Edwardian terraces around the old village and seafront to 1930s bay-fronted semis toward Mile Oak and Hangleton, with harbourside flats and converted houses near Fishersgate and Station Road. Solid brick walls, single glazing and older extensions combine with sea-facing exposure to driving rain, making condensation and penetrating damp persistent problems 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 Portslade we cover

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

Common causes of mould in Portslade homes

Victorian and Edwardian terraces near the old village and seafront

Many of Portslade's terraces have solid brick walls with no cavity, plus original sash windows that struggle to seal against salt-laden sea air. Rain gets driven into the brickwork and window reveals, while cold internal walls encourage condensation on plaster. This shows up as black mould around window frames, on chimney breasts, and creeping across bedroom walls that back onto unheated hallways.

1930s bay-fronted semis in Mile Oak and Hangleton

Inland estates built in the 1930s often have loft conversions or rear extensions added later, sometimes with flat roofs that trap moisture or poorly detailed junctions where old and new brickwork meet. Combined with cavity walls that were never properly insulated, this leads to damp patches and mould in upstairs bedrooms, around dormer windows, and behind wardrobes pushed against colder external walls.

Converted flats and shared housing near Fishersgate and Station Road

Houses split into flats around the station and harbour often rely on undersized or poorly maintained bathroom extraction, while shared kitchens see heavy daily steam without adequate ventilation. Moisture has nowhere to go, so it settles on ceilings, tiled splashbacks, and cooler external walls behind furniture. Where a past leak from a neighbouring flat has gone unresolved, mould can also spread through party walls unnoticed.

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 Portslade?

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

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Frequently asked questions

How much does mould removal in Portslade 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 Portslade

Damp and mould survey

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

Leak detection

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

Structural drying

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

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