Speak to a Specialist
Speak to a Specialist
Leatherhead · KT22, KT23, KT24

Damp Survey Leatherhead: Damp, Mould and Water Damage Assessment

The Assessment (what many people call a damp survey) is one non-destructive visit that finds the cause of damp, mould or a hidden leak across Leatherhead and the surrounding area, with a clear, insurance-ready report.

★★★★★ 5.0 from 22 Google reviews
Quick answer: If you have damp, mould or a suspected water leak at a property in Leatherhead, your first visit is a Damp, Mould and Water Damage Assessment. Our specialists carry out a non-destructive investigation to find the root cause, then give you a written report with photographs and a clear plan to fix it. Your report follows within 3 to 5 working days of the visit. We confirm the price on a written quote once we understand the problem. 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, Mould and Water Damage Assessment

One visit that finds the cause of damp, mould or water damage, and tells rising damp, penetrating damp and condensation apart. About the Assessment →

Mould Treatment

Treat black mould and deal with the moisture source behind it, so it does not keep coming back. Mould treatment →

Structural Drying

Dry out walls, floors and voids after a leak or flood, monitored to completion. Structural drying →

Areas of Leatherhead we cover

We visit 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

Excellent
Rated 5.0 / 5 based on 22 reviews on
Tip: If a damp patch keeps coming back after redecorating, it is almost always a symptom, not the problem. An assessment that finds the source first saves paying for the same repair twice.

Request an Assessment in Leatherhead

Call 020 3051 8478 or send us your details and we will agree a date with you. We work with homeowners, landlords and property managers across Leatherhead.

Frequently asked questions

How much does a Damp, Mould and Water Damage Assessment in Leatherhead cost?
We confirm the price on a written quote once we understand the problem. Your first visit is a Damp, Mould and Water Damage Assessment, which includes the non-destructive investigation and an insurance-ready written report with photographs. If leak detection is needed, we quote for it separately before any work starts.
Do you cover the whole of Leatherhead?
Yes. We visit 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 assessment identifies which type you have using moisture readings and thermal imaging.
Do you provide reports for insurance claims?
Yes. Every assessment comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents. Your report follows within 3 to 5 working days of the visit.

More help in Leatherhead

Leak detection

Trace a hidden water leak in Leatherhead using thermal, acoustic and tracer gas methods, with minimal damage. Leak detection in Leatherhead →

Structural drying

Dry walls, floors and voids in Leatherhead after a leak or flood, monitored to completion. Structural drying in Leatherhead →

Mould removal

Treat black mould in your Leatherhead property and fix the moisture source behind it. Mould removal in Leatherhead →

See what you get before you speak to us: read a real report from start to finish.