Speak to a Specialist
Speak to a Specialist
Hendon · NW4, NW7, NW9

Damp Survey Hendon: 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 Hendon 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 Hendon, 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 Hendon

Hendon's housing stock spans Edwardian and interwar semi-detached houses, 1960s and 1970s purpose-built flats, and post-war council terraces. This mix of cavity and solid-wall construction, combined with older rooflines and ageing drainage infrastructure, creates persistent conditions for rising damp, penetrating damp, and condensation-related mould growth throughout the area.

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 Hendon we cover

We visit properties right across Hendon and its neighbourhoods, including:

Common damp problems in Hendon homes

Interwar Semi-Detached Houses and Rising Damp

Many of Hendon's interwar semi-detached properties on roads such as those around Holders Hill and Temple Fortune were built with shallow or rudimentary damp-proof courses that have long since deteriorated. Ground levels raised over decades by successive landscaping can bridge these courses entirely, allowing moisture to travel steadily up through brick and plaster, producing stained skirting boards, peeling decorations, and a persistent musty odour at ground-floor level.

Flat-Roof Leaks in 1960s and 1970s Blocks

West Hendon and Colindale contain a significant number of purpose-built flat-roof residential blocks constructed during the post-war decades. Felt and asphalt flat roofs of this era have a finite lifespan and are particularly vulnerable to ponding water and UV degradation. When membranes crack or joints open, water tracks silently through roof structures and appears as ceiling staining, blistered plaster, or mould patches in top-floor flats, often well away from the original point of entry.

Condensation Mould in Converted Victorian and Edwardian Terraces

Sections of Cricklewood and Child's Hill bordering Hendon contain older Victorian and Edwardian terraced housing frequently subdivided into flats. Inadequate ventilation in bathrooms and kitchens, combined with solid brick walls that retain cold surface temperatures, makes these conversions highly susceptible to condensation mould. Black mould growth commonly appears on north-facing walls, in window reveals, and inside built-in wardrobes where air circulation is poorest.

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 Hendon

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 Hendon.

Frequently asked questions

How much does a Damp, Mould and Water Damage Assessment in Hendon 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 Hendon?
Yes. We visit properties across Hendon 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 Hendon

Leak detection

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

Structural drying

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

Mould removal

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

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