Speak to a Specialist
Speak to a Specialist
Portslade · BN41, BN42

Damp Survey Portslade: 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 Portslade 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 Portslade, 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 Portslade

Portslade contains a varied housing mix spanning Victorian and Edwardian terraced streets near the seafront, interwar semi-detached properties on the hillside estates, and post-war council-built stock in Mile Oak and North Portslade. This combination of ages and construction methods creates persistent vulnerabilities to damp ingress, condensation, and long-standing undetected leaks.

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 Portslade we cover

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

Common damp problems in Portslade homes

Rising and Penetrating Damp in Victorian Terraces

The older Victorian terraced streets around Portslade Village and the Boundary Road corridor were built without modern damp-proof courses. Original lime mortar has often been repointed with impermeable cement, trapping moisture within the masonry. Ground-floor walls frequently show tide-marks, peeling plaster, and salt deposits consistent with rising damp and penetrating damp from deteriorating brickwork.

Condensation Mould in Post-War and Council Housing

Mile Oak and North Portslade contain significant numbers of post-war and council-built properties with solid concrete floors, flat or shallow-pitched roofs, and limited original ventilation. Poor thermal performance in these buildings encourages heavy condensation on cold walls and in corners, producing persistent black mould growth in bedrooms, bathrooms, and kitchens that recurs unless underlying ventilation issues are properly addressed.

Hidden Leaks in Interwar Semi-Detached Properties

The interwar semi-detached houses on the slopes of Upper Portslade and Locks Hill feature original lead pipework, ageing cavity-wall construction, and chimney stacks that have rarely been fully relined. Slow leaks from corroded lead supply pipes and deteriorating chimney flashings often go undetected for months, causing concealed timber decay, stained ceilings, and damaged internal plasterwork before becoming visible to occupants.

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 Portslade

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 Portslade.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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