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Hounslow · TW3, TW4, TW5, TW7, TW8, TW13, TW14

Damp, Mould & Leak Specialists in Hounslow

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

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

Hounslow's housing stock is a dense mix of Edwardian and Victorian terraces, 1930s semi-detached properties, post-war council blocks and modern riverside conversions along the Thames near Brentford. This variety of construction eras and building methods, combined with Hounslow's notably high rainfall and proximity to the river, creates persistent conditions for damp, condensation and water ingress across all property types.

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 Hounslow we cover

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

Common damp problems in Hounslow homes

Condensation and Mould in Victorian and Edwardian Terraces

The dense rows of Victorian and Edwardian terraced properties throughout Hounslow Central, Isleworth and Spring Grove were built without cavity walls or modern insulation. Poor thermal performance means interior wall surfaces stay cold, encouraging condensation to form rapidly during cooler months. Poorly ventilated bathrooms and kitchens in these houses accelerate mould growth on wall plaster, window reveals and ceiling corners.

Penetrating Damp in 1930s Semi-Detached Properties

A significant proportion of housing in Heston, Osterley and Lampton dates from the 1930s, featuring cavity walls that have aged considerably. Failed mortar joints, deteriorated cavity ties and cracked render allow driving rain to bridge the cavity and penetrate internal walls. Homeowners commonly report damp patches appearing on chimney breasts and external-facing walls following prolonged wet weather, which is frequent in this part of west London.

Hidden Leaks and Rising Damp in Post-War Blocks and Conversions

Hounslow's post-war council estates and converted flats in areas such as Feltham, Hanworth and Brentford present a particular challenge for concealed plumbing leaks and rising damp. Ageing communal pipework running through shared walls and floors can leak slowly for extended periods before becoming visible. Ground-floor and basement flats in converted properties are also susceptible to rising damp where original damp-proof courses have degraded or were never adequately installed.

What our customers say

★★★★★

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, via Google

★★★★★

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

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 Hounslow

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

Frequently asked questions

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