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Barnet · EN4, EN5, N2, N3, N11, N12, N14, N20, NW4, NW7, NW9, HA8

Damp, Mould & Leak Specialists in Barnet

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

Call 020 3051 8478Request a survey
★★★★★ 5.0 from 20 Google reviews · trusted by Barnet homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Barnet, 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.
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Damp, mould & leak services in Barnet

Barnet's housing stock spans Edwardian and Victorian terraces in areas like East Barnet and Friern Barnet, interwar semis across Whetstone and Finchley, and post-war estates throughout Mill Hill and Edgware. This variety of construction eras, many featuring solid brick walls and original timber frames, creates persistent vulnerabilities to penetrating damp, condensation and concealed 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 Barnet we cover

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

Common damp problems in Barnet homes

Penetrating Damp in Solid-Wall Victorian and Edwardian Terraces

Streets of Victorian and Edwardian terraces in East Barnet and Friern Barnet were built without cavity walls, meaning rainwater can soak directly through the brickwork. Repointing failures, eroded render and poorly maintained chimney stacks all allow moisture ingress that travels inward, manifesting as damp patches on internal walls that are frequently misdiagnosed as condensation.

Condensation and Mould in Converted Interwar Semis

The large number of interwar semi-detached properties across Whetstone, Oakleigh Park and North Finchley have frequently been subdivided into flats. Poor ventilation between converted units, inadequate extraction in bathrooms and kitchens, and thermal bridging around single-glazed bay windows create chronic condensation, which encourages black mould growth on window reveals, ceiling corners and external walls.

Hidden Roof and Flat-Roof Leaks in Post-War Estates

Post-war housing estates in Mill Hill, Edgware and parts of New Barnet include properties with flat or shallow-pitched roofs that have degraded felting and failing flashings. Leaks from these areas often travel along roof timbers before becoming visible, meaning water damage inside ceilings and loft spaces can be significantly more extensive than initial staining suggests, requiring thorough survey investigation.

What our customers say

Excellent
Rated 5.0 / 5 based on 20 reviews on

Was lovely working with the team and they did a fantastic and quick job to get all the mould out of my bathroom. Very much looking forward to working with them on other projects around my house!! Thank you for everything and shout out to Karim for being so sweet!

Mariama✓ a month ago

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✓ 2 months ago

Amazing company! They responding very quickly. They have a low prices as well, not crazy quotes like from others. Job has been done very quickly and team was very professional. I will use them in the future if I needed. Thanks!

Patryk Gutowski✓ 2 months ago

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✓ 3 months ago

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✓ 5 months ago
See all reviews on 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 Barnet

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

Frequently asked questions

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

More help in Barnet

Leak detection

Trace a hidden water leak in Barnet using thermal, acoustic and tracer gas methods, with minimal damage. Leak detection in Barnet →

Structural drying

Dry walls, floors and voids in Barnet after a leak or flood, monitored to completion. Structural drying in Barnet →