Speak to a Specialist
Speak to a Specialist
Keston · BR2, BR6

Damp Survey Keston: 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 Keston 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 Keston, 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 Keston

Keston's housing stock is predominantly mid-twentieth century detached and semi-detached properties, alongside older Victorian and Edwardian homes near the village centre. The rural-fringe setting, elevated ground, and proximity to Keston Ponds and surrounding woodland means properties face above-average exposure to moisture, driving persistent damp and mould concerns across a range of property types.

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 Keston we cover

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

Common damp problems in Keston homes

Penetrating Damp in Older Village Properties

The older brick-built properties clustered around Keston Village centre were constructed using solid wall techniques without modern cavity insulation or effective damp-proof courses. Prolonged exposure to wind-driven rain on their exposed elevations allows moisture to penetrate directly through the masonry, causing damp patches on internal walls, peeling plaster, and mould growth, particularly on north and west-facing elevations.

Condensation and Mould in Post-War Semis

Keston Mark and surrounding roads contain a high proportion of 1950s and 1960s semi-detached homes with limited ventilation in kitchens and bathrooms. These properties were not designed for modern living patterns, and inadequate air circulation traps moisture indoors, leading to condensation mould on window reveals, ceiling corners, and behind fitted wardrobes placed against external walls.

Hidden Leaks in Leafy Rural-Edge Dwellings

Properties backing onto woodland around Leaves Green and near Keston Ponds frequently suffer from blocked gutters and downpipes caused by falling leaf debris. When gutters overflow undetected, water tracks down behind render and fascia boards, saturating roof structures and upper-floor wall cavities. These hidden leaks often go unnoticed for months, causing significant timber decay and internal staining before being identified.

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 Keston

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 Keston.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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