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Croydon · CR0, CR2, CR3, CR4, CR5, CR7, CR8, CR9

Damp Survey Croydon: 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 Croydon 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 Croydon, 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 Croydon

Croydon's housing stock spans Victorian and Edwardian terraces in areas like Norbury and Thornton Heath, inter-war semis across Shirley and Coulsdon, post-war council blocks in central Croydon and New Addington, and modern flats in the town centre. This variety of ages and construction methods creates persistent vulnerabilities to damp ingress, condensation and water penetration.

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 Croydon we cover

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

Common damp problems in Croydon homes

Condensation and Mould in Victorian Terraces

The densely packed Victorian and Edwardian terraces throughout Norbury, Selhurst and Addiscombe were built with solid brick walls and minimal ventilation. Modern draught-proofing and double glazing fitted retrospectively traps moisture indoors, encouraging condensation on cold external walls. Black mould growth around window reveals, behind wardrobes and in corner junctions is a common consequence in these properties.

Penetrating Damp in Inter-War Semis

The wide stock of 1920s and 1930s semi-detached houses across Shirley, Sanderstead and Coulsdon frequently suffers from penetrating damp caused by deteriorating mortar joints, failed cavity wall ties and ageing parapet or chimney flashings. Driving rain from the exposed higher ground in the south of the borough pushes moisture through the outer leaf, leaving damp patches on internal walls particularly after prolonged wet weather.

Hidden Leaks in Post-War Flatted Developments

Central Croydon, Waddon and New Addington contain significant numbers of post-war concrete and system-built flat blocks. Ageing communal pipework, flat roofing membranes that have deteriorated over decades, and poorly maintained expansion joints allow water to track through the structure largely unseen. Residents often discover leaks only once ceiling staining, damaged plasterwork or rising damp at skirting level has already become pronounced.

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 Croydon

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 Croydon.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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