Leak to dry to treated, one company in Seven Sisters
Seven Sisters is dominated by Victorian and Edwardian terraces around West Green Road and Seven Sisters Road, many long since converted into flats sharing lofts, party walls and single stacks. Solid brick construction without cavity insulation, older sash windows and dense multi-occupancy living all lower surface temperatures and trap moisture, giving condensation and black mould an easy 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 Seven Sisters we cover
We treat mould right across Seven Sisters and its neighbourhoods, including:
- Tottenham
- South Tottenham
- West Green
- Bruce Grove
- Tottenham Hale
- Stamford Hill
- Harringay
- Green Lanes
- Woodberry Down
- Manor House
- Finsbury Park
- St Ann's
- White Hart Lane
- Turnpike Lane
Common causes of mould in Seven Sisters homes
Solid-Wall Terraces and Cold Bridging
The unbroken brick walls typical of Seven Sisters's Victorian terraces have no cavity to slow heat loss, so external walls in back bedrooms and stairwells stay cold relative to the room air. Where furniture or wardrobes sit flush against these walls, airflow is cut off further and black mould develops in patches behind them, often unnoticed until an item is moved and the damage is already established.
Converted Flats With Poor Ventilation
Many terraced houses near Seven Sisters station and along West Green Road were split into flats decades ago, leaving bathrooms and kitchens with inadequate or missing mechanical extraction. Steam from cooking and showering has nowhere to go, settling as condensation on tiled walls, ceilings and window reveals. In shared or densely occupied flats this moisture load is constant, so surface mould reappears within weeks of any surface clean.
Ageing Roofs, Reveals and Penetrating Damp
Original Victorian roof coverings, parapet gutters and window reveals across the area are prone to slow water ingress that is not always obvious as an active leak. Once damp has tracked through brickwork or old pointing, it feeds black mould at ceiling lines, around window frames and in corners long after the source seems dry. Treating the mould without finding and sealing this entry point simply invites its return.
What our customers say
Really impressed with the whole experience. The surveyor did a proper, thorough job and didn't rush anything, they got to the root cause of the damp and explained it all clearly. Detailed, professional and reassuring from start to finish. Couldn't recommend them more highly.
Keiryn Raf, via Google
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
Mould problem in Seven Sisters?
Call 020 3051 8478 or book a mould survey online. We remove mould and fix the cause for homeowners, landlords and managing agents across Seven Sisters.