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Hillingdon · UB3, UB4, UB8, UB10, HA4, HA5, HA6

Damp Survey Hillingdon: 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 Hillingdon 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 Hillingdon, 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 Hillingdon

Hillingdon's stock ranges from 1930s Metroland semis in Ruislip and Northwood to interwar and postwar terraces in Hayes and Yiewsley, plus flat conversions near Uxbridge town centre and low-rise estates close to Heathrow. Solid brick cavity walls, original crittall windows and ageing pebbledash render are common, and proximity to the Rivers Colne, Pinn and Crane leaves many properties prone to rising damp and slow-drying groundwork after wet weather.

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 Hillingdon we cover

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

Common damp problems in Hillingdon homes

Metroland semis in Ruislip and Northwood

Many 1930s semis here retain original solid or early cavity walls with shallow foundations and short front gardens laid to pebbledash. Render that has cracked or blown traps moisture against the brickwork, causing rising damp in hallways and bay-window rooms. Ineffective or missing damp-proof courses, common in unmodernised examples, allow salt staining and mould to develop along skirting boards and behind fitted furniture.

Terraced and ex-council housing in Hayes and Yiewsley

Hayes and Yiewsley have a large stock of interwar and 1950s-60s terraces and former council houses, many now under-insulated after loft conversions or replacement windows were fitted without upgrading ventilation. This traps humid air, leading to persistent condensation and black mould on north-facing bedroom walls and around window reveals, particularly in properties near the Grand Union Canal where ground moisture is already higher.

Flat conversions and flood-prone areas near Uxbridge and Heathrow

Uxbridge town centre has numerous Victorian and Edwardian houses split into flats, where shared guttering, flat roof extensions and neglected soil stacks often go unmaintained by absentee landlords, causing hidden leaks into ceilings below. Meanwhile low-lying areas towards Heathrow and West Drayton, close to the River Colne floodplain, see recurring penetrating damp in ground-floor rooms after heavy rainfall due to poor surface drainage.

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 Hillingdon

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 Hillingdon.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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