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Speak to a Specialist
Carshalton · SM5, SM6

Damp, Mould & Leak Specialists in Carshalton

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

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

Carshalton's housing stock ranges from Victorian and Edwardian terraces near the village centre and Wrythe to interwar semis across Stanley Park and Carshalton Beeches, alongside post-war council estates in Roundshaw and Hackbridge. This varied mix of older solid-wall construction, cavity-wall semis and flat-roofed post-war builds each presents distinct vulnerabilities to damp, mould and water ingress.

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 Carshalton we cover

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

Common damp problems in Carshalton homes

Solid-Wall Damp in Victorian Terraces

The Victorian and Edwardian terraces concentrated around Carshalton Village and the Wrythe were built with solid brick walls and no damp-proof courses by modern standards. Over time, bridged or failed original DPCs allow rising damp to track up ground-floor walls, leading to tide marks, salt staining and persistent mould growth at skirting level, particularly in front reception rooms and hallways.

Penetrating Damp in Interwar Semis

The widespread interwar semi-detached properties across Carshalton Beeches and Stanley Park feature cavity walls that were sometimes poorly constructed or subsequently filled with now-deteriorating insulation. Driving rain from the south-west penetrates failing render, cracked mortar joints and blocked cavity trays, causing damp patches on internal walls that are frequently misdiagnosed as condensation by homeowners.

Hidden Leaks in Post-War and Flat-Roofed Homes

Post-war housing stock in areas such as Roundshaw and parts of Hackbridge includes properties with flat or shallow-pitched roofs prone to membrane failure and ponding water. Leaks from these roofs often travel along joists before emerging at ceiling junctions or inside wall cavities, making the source difficult to trace without specialist thermal imaging or moisture mapping surveys.

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 Carshalton

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

Frequently asked questions

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