Speak to a Specialist
Speak to a Specialist
New Barnet · EN4, EN5

Damp Survey New Barnet: Damp, Mould and Water Damage Assessment

The Assessment (what many people call a damp survey) is one non-destructive visit that finds the cause of damp, mould or a hidden leak across New Barnet and the surrounding area, with a clear, insurance-ready report.

★★★★★ 5.0 from 22 Google reviews
Quick answer: If you have damp, mould or a suspected water leak at a property in New Barnet, your first visit is a Damp, Mould and Water Damage Assessment. Our specialists carry out a non-destructive investigation to find the root cause, then give you a written report with photographs and a clear plan to fix it. Your report follows within 3 to 5 working days of the visit. We confirm the price on a written quote once we understand the problem. Call 020 3051 8478.

Damp, mould & leak services in New Barnet

New Barnet's housing stock spans late Victorian and Edwardian terraces along Station Road and the surrounding streets, interwar semis concentrated near Lyonsdown Road, and a scattering of 1960s and 1970s purpose-built flats. This varied mix of solid-wall construction, ageing guttering, and flat-roofed extensions creates persistent vulnerabilities to damp ingress, condensation, and undetected leaks.

Leak Detection

Trace hidden water leaks without damage using thermal, acoustic and tracer-gas methods. Leak detection →

Damp, Mould and Water Damage Assessment

One visit that finds the cause of damp, mould or water damage, and tells rising damp, penetrating damp and condensation apart. About the Assessment →

Mould Treatment

Treat black mould and deal with the moisture source behind it, so it does not keep coming back. Mould treatment →

Structural Drying

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

Areas of New Barnet we cover

We visit properties right across New Barnet and its neighbourhoods, including:

Common damp problems in New Barnet homes

Rising and Penetrating Damp in Victorian Terraces

The Victorian and Edwardian terraced streets close to New Barnet railway station were built without modern damp-proof courses, or have original slate DPCs that have since failed. Solid brick walls absorb rainwater readily, particularly on north-facing elevations, leading to penetrating damp that manifests as tide marks, salt deposits, and deteriorating plaster on internal ground-floor walls.

Condensation and Mould in Interwar Semis

The large stock of 1930s semi-detached properties around Lyonsdown Road and Oakleigh Park often feature cavity walls that were never insulated, combined with original single-glazed windows in some cases. Poor thermal performance encourages surface condensation on cold walls and window reveals throughout winter, which leads to persistent black mould growth in bedrooms, bathrooms, and poorly ventilated kitchens.

Hidden Leaks in Converted and Purpose-Built Flats

Converted Victorian houses and the purpose-built flat blocks found near Cat Hill and Brunswick Park present a specific risk of inter-tenancy leaks from ageing shared soil stacks, corroded copper pipework, and deteriorating bathroom waterproofing. These leaks frequently travel between floors before becoming visible, causing hidden timber decay, ceiling staining, and structural dampness that is often misattributed to condensation.

What our customers say

Excellent
Rated 5.0 / 5 based on 22 reviews on
Tip: If a damp patch keeps coming back after redecorating, it is almost always a symptom, not the problem. An assessment that finds the source first saves paying for the same repair twice.

Request an Assessment in New Barnet

Call 020 3051 8478 or send us your details and we will agree a date with you. We work with homeowners, landlords and property managers across New Barnet.

Frequently asked questions

How much does a Damp, Mould and Water Damage Assessment in New Barnet cost?
We confirm the price on a written quote once we understand the problem. Your first visit is a Damp, Mould and Water Damage Assessment, which includes the non-destructive investigation and an insurance-ready written report with photographs. If leak detection is needed, we quote for it separately before any work starts.
Do you cover the whole of New Barnet?
Yes. We visit properties across New 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 assessment identifies which type you have using moisture readings and thermal imaging.
Do you provide reports for insurance claims?
Yes. Every assessment comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents. Your report follows within 3 to 5 working days of the visit.

More help in New Barnet

Leak detection

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

Structural drying

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

Mould removal

Treat black mould in your New Barnet property and fix the moisture source behind it. Mould removal in New Barnet →

See what you get before you speak to us: read a real report from start to finish.