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East Finchley · N2

Damp, Mould & Leak Specialists in East Finchley

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

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

East Finchley is dominated by Edwardian and interwar semi-detached houses, Victorian terraces along the older residential streets, and a number of purpose-built 1960s and 1970s low-rise flats. Solid brick cavity walls, ageing slate roofs, and original timber-framed bay windows create multiple vulnerabilities to penetrating damp, condensation, and roof-related 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 East Finchley we cover

We survey properties right across East Finchley and its neighbourhoods, including:

Common damp problems in East Finchley homes

Condensation and Mould in Edwardian and Interwar Semis

East Finchley's large stock of Edwardian and 1930s semi-detached properties typically feature solid or partially filled cavity walls with limited insulation. Original single-glazed sash windows and poorly ventilated chimney breasts that have been blocked off create trapped, moisture-laden air. Kitchens and bathrooms on rear extensions are particularly prone to persistent black mould growth on cold external wall surfaces.

Penetrating Damp Through Bay Windows and Parapet Walls

Many Victorian and Edwardian terraces along streets such as Church Lane and Long Lane have projecting bay windows with flat or shallow-pitched lead roofs. When these lead flashings crack or lift with age, rainwater tracks directly into the timber frame and internal walls beneath. Similarly, parapet walls on these properties frequently show eroded pointing, allowing sustained penetrating damp into upper-floor rooms.

Hidden Leaks in Post-War Flats and Converted Properties

East Finchley contains a number of 1960s and 1970s low-rise flat blocks, and many larger Victorian houses have been subdivided into flats. Ageing copper pipework and communal water supply infrastructure in these buildings frequently develop slow, hidden leaks inside studwork partitions or beneath floor screeds. Damp patches on ceilings and walls often appear well away from the actual source, making professional leak detection essential.

What our customers say

★★★★★

Really impressed with the whole experience. The surveyor did a proper, thorough job and didn't rush anything, they got to the root cause of the damp and explained it all clearly. Detailed, professional and reassuring from start to finish. Couldn't recommend them more highly.

Keiryn Raf, via Google

★★★★★

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

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 East Finchley

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

Frequently asked questions

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