Speak to a Specialist
Speak to a Specialist
Sunbury · TW16

Damp Survey Sunbury: 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 Sunbury 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 Sunbury, 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 Sunbury

Sunbury's housing spans riverside Georgian and Victorian cottages around Lower Sunbury and Thameside, 1930s bay-fronted semis near Sunbury Common, post-war terraces around Green Street, and denser 1970s-90s estates and flats near Sunbury Cross and Kempton Park. Proximity to the Thames and Queen's River raises groundwater levels, while older solid-wall cottages and ageing rendered semis are prone to penetrating damp, rising damp and condensation-driven mould.

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 Sunbury we cover

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

Common damp problems in Sunbury homes

Riverside cottages and rising damp

The Georgian and Victorian cottages lining Lower Sunbury and the Thames riverside were built with solid brick walls and shallow footings, with no effective damp proof course. High local groundwater and periodic river flooding push moisture up through walls and floors, causing rising damp, salt staining and skirting board decay, particularly in properties fronting Thames Street and the towpath.

1930s semis with failing rendered walls

Many bay-fronted semi-detached homes around Sunbury Common and Green Street were built with pebbledash or painted render finishes now reaching the end of their service life. Hairline cracking and blown render let rainwater track behind the coating and into cavity walls, leading to penetrating damp patches around window reveals and chimney breasts that worsen after prolonged autumn and winter rain.

Condensation and mould in flats near Sunbury Cross

Flats and maisonettes built from the 1970s onward near Sunbury Cross and Kempton Park often have limited through-ventilation, small kitchens and bathrooms without effective extraction, and double glazing that traps moisture indoors. This combination regularly produces black mould on north-facing bedroom walls, wardrobes and window reveals, especially where tenants dry washing indoors during colder months.

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 Sunbury

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 Sunbury.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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