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Leatherhead · KT22, KT23, KT24

Damp, Mould & Leak Specialists in Leatherhead

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

★★★★★ 4.9 from 17 Google reviews · trusted by Leatherhead homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Leatherhead, 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 Leatherhead

Leatherhead's housing stock spans Victorian and Edwardian terraces in the town centre, inter-war semis across Fetcham and Bookham, and large detached properties in Oxshott and Tyrrells Wood. Older solid-wall construction, clay-heavy Surrey soils, and the River Mole floodplain combine to create persistent damp, mould, and water ingress challenges across multiple property types.

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 Leatherhead we cover

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

Common damp problems in Leatherhead homes

Rising and penetrating damp in Victorian town centre terraces

The older terraced streets near Leatherhead town centre contain many properties built before the introduction of damp-proof courses. Solid brick walls absorb groundwater readily, particularly given the area's clay subsoil, which retains moisture after wet periods. Owners frequently report tide marks on lower walls, crumbling plaster, and salt efflorescence that worsen through autumn and winter.

Condensation mould in post-war semis across Fetcham and Bookham

The large concentration of 1940s and 1950s cavity-wall semis in Fetcham and Bookham were built with minimal insulation and basic ventilation. Modern draught-proofing and double glazing fitted by successive owners trap moisture-laden air inside, leading to black mould growth on cold external corners, behind wardrobes, and around single-glazed utility areas that were never upgraded.

Hidden roof and chimney leaks in Tyrrells Wood and Oxshott detached properties

Larger detached homes in Tyrrells Wood and Oxshott frequently feature complex rooflines with multiple valleys, original clay plain-tile coverings, and redundant or still-active chimney stacks. Mortar failure and cracked flaunching allow water to track silently into roof voids and down chimney breasts for months before staining appears on ceilings or internal walls, by which point structural timbers may already be affected.

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

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 Leatherhead

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

Frequently asked questions

How much does a damp survey in Leatherhead 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 Leatherhead?
Yes. We survey properties across Leatherhead 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.