Leak to dry to treated, one company in Chelsea
Chelsea's housing runs from Georgian and Victorian terraces with converted lower-ground flats to red-brick mansion blocks and riverside developments near Cheyne Walk and Chelsea Harbour. Solid brick walls, original sash windows, basement conversions and the sheer density of period stock mean poor ventilation and rising or penetrating damp are common, both drivers of persistent black 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 Chelsea we cover
We treat mould right across Chelsea and its neighbourhoods, including:
- World's End
- Cheyne Walk
- Chelsea Harbour
- Sloane Square
- Chelsea Green
- Royal Hospital Chelsea
- Parsons Green
- Brompton
- South Kensington
- Earls Court
- Knightsbridge
- Belgravia
- Fulham Riverside
- Chelsea Reach
Common causes of mould in Chelsea homes
Basement and lower-ground flat conversions
Many Chelsea terraces on streets such as World's End and off the King's Road have been divided into basement or lower-ground flats. These sit below street level with limited airflow and are prone to rising damp through solid brick footings and old tanking. Once moisture gets trapped, black mould spreads across skirting boards, behind wardrobes and along external walls within weeks.
Mansion block bathrooms and kitchens
Chelsea's red-brick mansion blocks near Sloane Square and Brompton often have internal bathrooms with no external window, relying solely on extractor fans that are undersized or poorly maintained. Steam from daily use has nowhere to escape, condensing on cold tiled walls and ceiling corners. Left untreated, this produces recurring black spot mould that returns quickly after routine cleaning.
Sash windows and solid-wall heat loss
Original single-glazed sash windows are common across Chelsea's period properties near Cheyne Walk and Royal Hospital Chelsea. Their frames and reveals cool rapidly, creating cold bridges where warm indoor air condenses overnight. Combined with solid brick walls that lack cavity insulation, this produces persistent surface mould around window frames, in bedroom corners and behind furniture pushed against external walls.
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
Mould problem in Chelsea?
Call 020 3051 8478 or book a mould survey online. We remove mould and fix the cause for homeowners, landlords and managing agents across Chelsea.