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Wandsworth · SW11, SW12, SW15, SW17, SW18, SW19, SW8

Damp, Mould & Leak Specialists in Wandsworth

Non-destructive damp surveys, hidden leak detection and mould investigation across Wandsworth and the surrounding area, with clear, insurance-ready reports.

★★★★★ 4.9 from 17 Google reviews · trusted by Wandsworth homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Wandsworth, our specialists carry out a non-destructive survey to find the root cause, then give you a written report and a clear plan to fix it. A full damp and mould survey is a fixed £500. Call 020 3051 8478.

Damp, mould & leak services in Wandsworth

Wandsworth's housing stock spans Victorian and Edwardian terraces concentrated around Balham, Tooting and Earlsfield, alongside large post-war council estates in Roehampton and Battersea, and a growing number of modern riverside apartment blocks in Nine Elms and Wandsworth Town. This diverse mix creates varied and persistent damp, mould and leak vulnerabilities across the borough.

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 Wandsworth we cover

We survey properties right across Wandsworth and its neighbourhoods, including:

Common damp problems in Wandsworth homes

Condensation Mould in Victorian Terraces

The densely packed Victorian terraces throughout Earlsfield, Balham and Tooting were built with solid brick walls and minimal ventilation. Modern draught-proofing and double glazing, fitted without adequate trickle vents, traps moisture indoors. Condensation collects on cold external walls and within bedroom corners, producing persistent black mould growth that returns rapidly without addressing the underlying air circulation problem.

Penetrating Damp in Converted Flat Conversions

Large Victorian and Edwardian houses across Clapham Junction, Putney and Wandsworth Town were widely converted into flats during the twentieth century. Shared roofs, poorly maintained parapet walls and neglected lead flashings allow rainwater to track down through the building fabric. Upper-floor flat owners frequently report stained ceilings and damp patches on chimney breast walls, often caused by defects in areas under a different resident's control.

Hidden Leaks in Post-War and Modern Blocks

Roehampton's large post-war estates and the newer apartment developments rising along the Wandsworth riverside in Nine Elms and Battersea share a common vulnerability to concealed plumbing failures. Pipework runs beneath screed floors or inside partition walls, meaning slow leaks from corroded joints or failed sealant around wet rooms go undetected for extended periods, saturating structural elements and promoting mould growth inside wall cavities before any visible sign appears.

What our customers say

★★★★★

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

★★★★★

Omg what brilliant service, excellent the cleaner did a very good job was efficient he took his time and cleaned everything, highly recommend S. Bessim…

Susan Bessim, via Google

Tip: If a damp patch keeps coming back after redecorating, it is almost always a symptom, not the problem. A survey that finds the source first saves paying for the same repair twice.

Book a survey in Wandsworth

Call 020 3051 8478 or request a survey online. We work with homeowners, landlords and property managers across Wandsworth. Works are on a 50% upfront, 50% on completion basis.

Frequently asked questions

How much does a damp survey in Wandsworth cost?
A damp and mould survey is a fixed £500, including the non-destructive investigation and an insurance-ready written report. Leak detection, if needed, is £800 to £1500 depending on scale.
Do you cover the whole of Wandsworth?
Yes. We survey properties across Wandsworth and the surrounding neighbourhoods and postcodes.
Can you tell the difference between condensation, rising and penetrating damp?
Yes, and it matters because the fix differs for each. Our survey identifies which type you have using moisture readings and thermal imaging.
Do you provide reports for insurance claims?
Yes. Every survey comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents.