Speak to a Specialist
Speak to a Specialist
Colliers Wood · SW19, CR4

Damp, Mould & Leak Specialists in Colliers Wood

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

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

Colliers Wood contains a varied housing stock dominated by Edwardian and interwar terraced houses, alongside 1960s and 1970s purpose-built flats and converted Victorian properties. This mixture of older solid-wall construction, flat-roofed extensions and poorly ventilated conversions creates persistent conditions that encourage rising damp, penetrating damp and condensation-related mould growth throughout the area.

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 Colliers Wood we cover

We survey properties right across Colliers Wood and its neighbourhoods, including:

Common damp problems in Colliers Wood homes

Condensation Mould in Converted Victorian and Edwardian Terraces

Many of Colliers Wood's older terraced houses have been subdivided into flats, often without adequate ventilation upgrades. Bathrooms and kitchens in these conversions frequently lack sufficient extraction, and solid brick walls with no cavity provide little thermal resistance. The result is chronic condensation on cold surfaces, leading to persistent black mould growth on walls, ceilings and around window reveals.

Penetrating Damp in Flat-Roofed Extensions and Rear Additions

A significant number of properties in Colliers Wood feature flat-roofed rear extensions added during the mid-twentieth century. These roofs deteriorate over time, with felt membranes cracking and upstands failing around parapet walls. Water ingress through these defective roof coverings causes damp patches on ceilings and upper sections of rear walls, sometimes tracking considerable distances before becoming visible internally.

Hidden Leaks in 1960s and 1970s Purpose-Built Flats

The purpose-built flat developments constructed across Colliers Wood during the 1960s and 1970s contain ageing pipework, including sections of original lead and early copper supply pipes. Slow leaks within floor voids and wall chases often go undetected for extended periods. By the time staining or mould appears on plasterwork, structural timbers and plaster substrates may already have sustained significant moisture damage.

What our customers say

★★★★★

Very professional and organised I must say came out and completed the work very efficiently customer service was excellent. Definitely recommend this damp and mould service to anyone looking for a job done correctly. :)

Joeie Rouse, via Google

★★★★★

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

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 Colliers Wood

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

Frequently asked questions

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