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Speak to a Specialist
Burnt Oak · HA8, NW7, NW9

Damp, Mould & Leak Specialists in Burnt Oak

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

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

Burnt Oak contains a significant proportion of 1920s and 1930s London County Council terraced and semi-detached houses, particularly across the Watling Estate, alongside post-war maisonettes and purpose-built flats. Older solid-wall construction, ageing pointing, and flat-roofed extensions common to this era make properties here particularly vulnerable to penetrating damp, condensation, and concealed plumbing leaks.

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 Burnt Oak we cover

We survey properties right across Burnt Oak and its neighbourhoods, including:

Common damp problems in Burnt Oak homes

Penetrating Damp in Watling Estate Terraces

The solid brick construction used throughout the Watling Estate terraces lacks a modern cavity wall, meaning rainwater can pass directly through the external masonry. Deteriorated mortar joints, common on properties approaching a century old, accelerate this process. Damp patches typically appear on internal walls facing north or west, where wind-driven rain is most persistent across this part of the London Borough of Barnet.

Condensation Mould in Post-War Flats and Maisonettes

Purpose-built flats and maisonettes constructed in Burnt Oak during the 1950s and 1960s frequently suffer from poor thermal performance and inadequate ventilation. Kitchens and bathrooms in these properties generate substantial moisture that has nowhere to escape, producing persistent black mould on cold external walls and within fitted cupboards. Upgrading windows without addressing ventilation often worsens the problem considerably.

Hidden Roof and Flat-Roof Extension Leaks

Many Burnt Oak semi-detached and terraced houses have had rear extensions added at various points over the decades, often with felt or asphalt flat roofs that are now well past their serviceable life. These deteriorate gradually and allow water ingress that tracks along joists before becoming visible internally, sometimes appearing far from the original source and being mistaken for rising or penetrating damp rather than a roof defect.

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 Burnt Oak

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

Frequently asked questions

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