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Twickenham · TW1, TW2, TW11, TW12

Damp, Mould & Leak Specialists in Twickenham

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

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

Twickenham's housing stock is dominated by Victorian and Edwardian terraces, inter-war semis and a scattering of Georgian townhouses close to the riverside. Solid brick construction without cavity walls, ageing lime mortar pointing and proximity to the Thames flood plain combine to make penetrating damp, rising damp and condensation recurring problems throughout 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 Twickenham we cover

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

Common damp problems in Twickenham homes

Penetrating Damp in Victorian Terraces

The dense rows of Victorian terraces found across St Margarets, Cole Park and East Twickenham were built with solid single-leaf brickwork that offers little barrier to driven rain. Deteriorating mortar joints, cracked render and failed window surrounds allow water to track through walls over time, causing staining, plaster failure and mould growth on internal surfaces, particularly in north-facing rooms and bay window recesses.

Condensation and Mould in Strawberry Hill's Period Conversions

Strawberry Hill and the roads surrounding Twickenham Green contain a high number of large Victorian and Edwardian houses converted into flats. Poor ventilation, inadequate or absent extract fans and thermal cold spots created by original single-glazed sash windows and uninsulated solid walls encourage persistent condensation. Ground and lower-ground floor flats are especially prone to black mould growth on bedroom and bathroom walls throughout the winter months.

Hidden Leaks in Riverside and Flood-Zone Properties

Properties along Cross Deep, Marble Hill and the stretch of riverside housing near Eel Pie Island face risks beyond ordinary leaks. High water table conditions and periodic Thames flooding can introduce moisture beneath suspended timber floors without any visible sign at surface level. Poorly maintained lead flashings on older roofs and original cast-iron guttering common to this area also allow concealed water ingress into roof voids and party walls.

What our customers say

★★★★★

I recently used a damp and mould specialist company and was extremely impressed with the service from start to finish. From the initial survey, they were knowledgeable, thorough, and took the time to clearly explain the cause of the issue rather than just treating the symptoms.

Tarik Barak, via Google

★★★★★

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, via Google

★★★★★

Service was excellent! Explained the whole process thoroughly, arrived on time when carrying out the survey. The survey was detailed and exactly what I needed for my insurance. They returned to carry out the treatment the following week. 10/10 would highly recommend.

Sukru, 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 Twickenham

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

Frequently asked questions

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