Damp, mould & leak services in Herne Hill
Herne Hill is characterised predominantly by late Victorian and Edwardian terraced houses, substantial semi-detached villas, and converted flats within period buildings. Many properties retain original single-skin brickwork, ageing lime mortar, and solid-wall construction, all of which make them particularly susceptible to penetrating damp, rising damp, and persistent condensation issues.
Leak Detection
Trace hidden water leaks without damage using thermal, acoustic and tracer-gas methods. Leak detection →
Damp Investigation
Identify rising damp, penetrating damp and condensation, and tell them apart properly. Damp investigation →
Mould Inspection
Find the moisture source feeding the mould, not just treat the surface. Mould inspection →
Structural Drying
Dry out walls, floors and voids after a leak or flood, monitored to completion. Structural drying →
Areas of Herne Hill we cover
We survey properties right across Herne Hill and its neighbourhoods, including:
- Brixton
- Tulse Hill
- West Norwood
- Streatham Hill
- Dulwich
- East Dulwich
- Loughborough Junction
- Stockwell
- Clapham
- Norwood
- Brockwell Park
- Denmark Hill
- Railton Road
Common damp problems in Herne Hill homes
Penetrating Damp in Victorian Terraces
Herne Hill's abundance of late Victorian terraced properties features solid brick walls with no cavity, meaning rainwater can soak directly through the external masonry. Deteriorated pointing along side returns, chimney stacks, and bay window junctions is a frequent cause. Once moisture penetrates, it migrates inward, producing damp patches and mould growth on internal plasterwork, often mistaken for condensation.
Condensation and Mould in Converted Period Flats
A significant proportion of Herne Hill's larger Victorian villas have been subdivided into flats, often with minimal insulation upgrades. Poor thermal performance in solid external walls, combined with restricted ventilation in converted bathrooms and kitchens, creates ideal conditions for condensation mould. Upper-floor and basement conversions are particularly vulnerable, with black mould frequently appearing on north-facing walls and within built-in storage cupboards.
Hidden Leaks from Ageing Shared Drainage
Many Herne Hill properties share original Victorian drainage systems running beneath rear gardens and under ground-floor slabs. Fractured clay pipes and deteriorated lead waste stacks within party walls can leak for extended periods before becoming visible. These hidden leaks introduce sustained moisture into subfloor timbers and internal wall cavities, leading to rot, rising damp indicators, and persistent musty odours that are difficult to trace without specialist survey equipment.
What our customers say
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
I recently used a damp and mould specialist company and was extremely impressed with the service from start to finish. From the initial survey, they were knowledgeable, thorough, and took the time to clearly explain the cause of the issue rather than just treating the symptoms.
Tarik Barak, via Google
Book a survey in Herne Hill
Call 020 3051 8478 or request a survey online. We work with homeowners, landlords and property managers across Herne Hill. Works are on a 50% upfront, 50% on completion basis.