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Swanley · BR8, DA4

Mould Removal & Treatment in Swanley

Professional mould removal across Swanley, 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 Swanley homeowners, landlords & property managers

Last updated 19 September 2026

Quick answer: Damp & Mould Solutions UK removes and treats black mould at properties in Swanley, 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 at £450. Call 020 3051 8478.

Leak to dry to treated, one company in Swanley

Swanley's housing ranges from 1930s and post-war semis around Christchurch and White Oak to 1960s and 70s estates built as the town expanded, plus older cottages in Swanley Village and Hextable. Solid-wall construction, shallow cavities and original single-glazed frames in the older stock trap moisture, while denser modern infill and poor ventilation in extensions push humidity up, giving mould a steady foothold.

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 Swanley we cover

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

Common causes of mould in Swanley homes

Condensation mould in 1960s and 70s semis

Many Swanley homes built during the town's rapid expansion have narrow cavity walls and small, sealed-up bathrooms with no working extractor fan. Cooking, drying washing indoors and daily showers push moisture into the air, which condenses on cold external walls and single-glazed window reveals. Black speckled mould then spreads across ceilings, bedroom corners and behind wardrobes pushed against outside walls.

Penetrating damp in older Swanley Village and Hextable cottages

The older brick cottages around Swanley Village and Hextable often have solid walls, ageing pointing and roofs that have had patchwork repairs over the decades. Rainwater tracks through failed mortar joints or worn flashing and settles inside the wall, leaving damp patches that develop mould blooms on plaster, skirting boards and around chimney breasts, particularly in ground-floor rooms.

Leak-related mould in bathrooms and behind furniture

Terraced and semi-detached homes near White Oak and Christchurch frequently have bathrooms directly above kitchens, so a slow leak from a shower tray, pipe joint or overflowing bath can travel unseen for weeks. Once the moisture source is fixed, residual damp trapped in plasterboard and behind sofas or wardrobes continues feeding mould growth unless it is properly dried and treated.

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 Swanley?

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

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Frequently asked questions

How much does mould removal in Swanley 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 at £450. 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 Swanley

Damp and mould survey

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

Leak detection

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

Structural drying

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