Speak to a Specialist
Speak to a Specialist
Chelsea · SW3, SW10

Damp, Mould & Leak Specialists in Chelsea

Non-destructive damp surveys, hidden leak detection and mould investigation across Chelsea and the surrounding area, with clear, insurance-ready reports.

★★★★★ 4.9 from 17 Google reviews · trusted by Chelsea homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Chelsea, our specialists carry out a non-destructive survey to find the root cause, then give you a written report and a clear plan to fix it. A full damp and mould survey is a fixed £500. Call 020 3051 8478.

Damp, mould & leak services in Chelsea

Chelsea's housing stock is dominated by Victorian and Edwardian terraced townhouses, Georgian garden squares, purpose-built Edwardian mansion blocks and a smaller number of riverside conversions near Chelsea Harbour. The age and construction methods of these properties, combined with dense urban plot boundaries and historical alterations, create persistent conditions that favour rising damp, penetrating damp and concealed plumbing failures.

Leak Detection

Trace hidden water leaks without damage using thermal, acoustic and tracer-gas methods. Leak detection →

Damp Investigation

Identify rising damp, penetrating damp and condensation, and tell them apart properly. Damp investigation →

Mould Inspection

Find the moisture source feeding the mould, not just treat the surface. Mould inspection →

Structural Drying

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

Areas of Chelsea we cover

We survey properties right across Chelsea and its neighbourhoods, including:

Common damp problems in Chelsea homes

Rising Damp in Victorian Terraced Townhouses

The substantial Victorian terraces throughout Chelsea, particularly around Paultons Square and World's End, were built without modern damp-proof courses or with original slate membranes that have long since deteriorated. Moisture travels upward through solid brick ground floors and masonry walls, causing tide marks, peeling plaster and salt crystallisation at skirting board level that worsens considerably each winter.

Penetrating Damp in Mansion Block Flat Conversions

Many of Chelsea's Edwardian mansion blocks along Fulham Road and Brompton have undergone repeated internal conversions over decades. Original parapet walls, poorly maintained flat roof sections and aging lead flashings allow rainwater to penetrate into upper floor and top-floor flats. Owners frequently discover damp patches on internal ceilings and around window reveals only after prolonged rainfall events.

Hidden Leaks in Riverside and Period Basement Properties

Chelsea's riverside properties along Cheyne Walk and Chelsea Embankment, as well as the high proportion of lower-ground-floor and basement flats across the borough, face unique challenges from below-ground water ingress and ageing cast-iron or lead pipework. Slow, concealed leaks within these properties frequently go undetected behind original Victorian plasterwork, leading to significant timber rot and mould growth before the source is identified.

What our customers say

★★★★★

Very helpful and professional, easy to communicate with about my mould issues and I received fast responses from the company on the best solutions for me. would recommend to all friends and family. 5/5

Jensen B, via Google

★★★★★

I recently used a damp and mould specialist company and was extremely impressed with the service from start to finish. From the initial survey, they were knowledgeable, thorough, and took the time to clearly explain the cause of the issue rather than just treating the symptoms.

Tarik Barak, via Google

★★★★★

Omg what brilliant service, excellent the cleaner did a very good job was efficient he took his time and cleaned everything, highly recommend S. Bessim…

Susan Bessim, via Google

Tip: If a damp patch keeps coming back after redecorating, it is almost always a symptom, not the problem. A survey that finds the source first saves paying for the same repair twice.

Book a survey in Chelsea

Call 020 3051 8478 or request a survey online. We work with homeowners, landlords and property managers across Chelsea. Works are on a 50% upfront, 50% on completion basis.

Frequently asked questions

How much does a damp survey in Chelsea cost?
A damp and mould survey is a fixed £500, including the non-destructive investigation and an insurance-ready written report. Leak detection, if needed, is £800 to £1500 depending on scale.
Do you cover the whole of Chelsea?
Yes. We survey properties across Chelsea 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 survey identifies which type you have using moisture readings and thermal imaging.
Do you provide reports for insurance claims?
Yes. Every survey comes with a clear written report including the cause, photographic evidence and recommendations, formatted for insurers and managing agents.