Leak to dry to treated, one company in Cannon Street
Cannon Street sits in the historic core of the City of London, mixing solid-walled Georgian and Victorian buildings with converted warehouse lofts and modern riverside apartments near the Thames. Many properties were built without cavity walls or adequate ventilation and have since been subdivided into flats above shops and offices, trapping moisture and making condensation-driven mould a recurring problem for residents and landlords.
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 Cannon Street we cover
We treat mould right across Cannon Street and its neighbourhoods, including:
- Bank
- Monument
- Mansion House
- St Paul's
- Blackfriars
- Cheapside
- Eastcheap
- Fenchurch Street
- Leadenhall Market
- Bishopsgate
- London Bridge
- Southwark
- Borough
- Liverpool Street
Common causes of mould in Cannon Street homes
Converted flats above shops and offices
Many Cannon Street homes are upper-floor conversions carved out of older commercial buildings, often with a single bathroom and kitchen vented poorly or not at all. Cooking and showering push moisture into solid brick walls that cannot breathe, and it condenses on cold plaster. The result is black mould creeping across ceilings, corners and behind wardrobes pushed against external walls.
Riverside damp near the Thames
Buildings close to Upper Thames Street and the river frontage sit on ground that stays damp for much of the year, and older basements and ground floors can draw moisture upward through solid masonry. Combined with ageing pointing and gutters, this penetrating and rising damp feeds mould growth around skirting boards, behind furniture and low down on party walls shared with neighbouring properties.
Single-glazed sash windows and cold bridging
Georgian and Victorian buildings around Cannon Street commonly retain original timber sash windows with thin or single glazing, creating cold surfaces where warm, moist indoor air condenses. Bedrooms and bathrooms with these original windows are particularly prone to black spotting on frames, reveals and nearby plasterwork, especially once curtains or blinds are drawn and airflow across the glass is reduced overnight.
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 Cannon Street?
Call 020 3051 8478 or book a mould survey online. We remove mould and fix the cause for homeowners, landlords and managing agents across Cannon Street.