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Ewell · KT17, KT19

Damp, Mould & Leak Specialists in Ewell

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

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

Ewell contains a varied housing stock ranging from Victorian and Edwardian terraces in Ewell Village to post-war semis and inter-war suburban estates across West Ewell and Stoneleigh. Older solid-wall properties lack cavity insulation, making them particularly vulnerable to penetrating damp and condensation, while ageing drainage infrastructure beneath many streets contributes to recurring moisture problems.

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 Ewell we cover

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

Common damp problems in Ewell homes

Penetrating Damp in Ewell Village's Older Terraces

The solid brick construction typical of Victorian and Edwardian terraces in Ewell Village offers no cavity barrier against driving rain. Water penetrates directly through deteriorating mortar joints and porous brickwork, appearing as damp patches on internal walls. Chimney breasts in these properties are a particularly common entry point, especially where original stacks have been capped but not properly sealed.

Condensation and Mould in Post-War Semis Across Stoneleigh and West Ewell

The large numbers of 1930s to 1950s semi-detached properties in Stoneleigh and West Ewell were built with limited ventilation provision. Retrofitted double glazing has significantly reduced natural air movement, trapping moisture-laden air indoors. This leads to persistent condensation on north-facing walls and in corner rooms, creating the conditions for black mould growth on plasterwork and window frames.

Hidden Leaks and Rising Damp in Ewell Court and Ruxley Properties

Properties in Ewell Court and Ruxley include bungalows and low-rise homes built on ground with a notably high water table, given the proximity to the River Hogsmill and local springs. Failing damp-proof courses in these properties allow groundwater to rise through floor slabs and lower brickwork. Concealed plumbing leaks within concrete screed floors can go undetected for extended periods, causing significant structural saturation.

What our customers say

★★★★★

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

★★★★★

Service was excellent! Explained the whole process thoroughly, arrived on time when carrying out the survey. The survey was detailed and exactly what I needed for my insurance. They returned to carry out the treatment the following week. 10/10 would highly recommend.

Sukru, 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 Ewell

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

Frequently asked questions

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