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Highgate · N6, N19, N10

Damp, Mould & Leak Specialists in Highgate

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

Call 020 3051 8478Request a survey
★★★★★ 4.9 from 19 Google reviews · trusted by Highgate homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Highgate, 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 Highgate

Highgate's housing spans Georgian and Regency townhouses around the Village and West Hill, Victorian villas near Waterlow Park and Southwood Lane, and 1920s-30s Holly Lodge Estate mansion blocks, alongside postwar infill on the steep slopes towards Archway. Solid brick walls, ageing lead flashings, basement conversions and clay-heavy hillside ground combine to make rising damp, penetrating damp and condensation persistent issues across 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 Highgate we cover

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

Common damp problems in Highgate homes

Georgian and Victorian solid-wall damp in the Village

Many Highgate Village and West Hill properties have solid brick walls with no cavity, original single-glazed sash windows and old lime or cement renders. Where cement pointing has replaced traditional lime, walls can't breathe properly, trapping moisture and causing rising or penetrating damp, flaking plaster and mould around window reveals, especially on north-facing elevations shaded by mature trees.

Hillside drainage and basement leaks

Highgate sits on London Clay across steep terrain from West Hill down to Archway, and heavy rain can overwhelm ageing surface drains and gutters. Basement and lower-ground-floor conversions common in Victorian villas near Waterlow Park and Southwood Lane are prone to lateral water penetration and rising damp where tanking has failed or was never properly installed.

Condensation and mould in flat conversions

Many of Highgate's large Victorian and Edwardian houses, plus Holly Lodge Estate mansion blocks, have been split into flats with limited cross-ventilation and older extract fans. Combined with double glazing that reduces airflow, this traps moisture from cooking and bathing, leading to black mould on cold external walls, in bedroom corners and behind wardrobes during autumn and winter months.

What our customers say

Excellent
Rated 4.9 / 5 based on 19 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 Highgate

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

Frequently asked questions

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

Mould removal

Treat black mould in a Highgate property and fix the moisture source behind it. Mould removal in Highgate →