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Covent Garden · WC2B, WC2E, WC2H, WC2N, WC2R

Damp, Mould & Leak Specialists in Covent Garden

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

★★★★★ 4.9 from 17 Google reviews · trusted by Covent Garden homeowners, landlords & property managers
Quick answer: If you have damp, mould or a suspected water leak at a property in Covent Garden, 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 Covent Garden

Covent Garden's residential stock is dominated by Georgian and Victorian mansion conversions, Victorian warehouse conversions and Edwardian purpose-built mansion blocks, many now split into flats. Aging brickwork, original lime mortar joints, and poorly maintained internal plumbing within converted commercial buildings make penetrating damp, rising damp and concealed leaks persistent and recurring problems throughout the area.

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 Covent Garden we cover

We survey properties right across Covent Garden and its neighbourhoods, including:

Common damp problems in Covent Garden homes

Penetrating Damp in Georgian Conversions

Many of Covent Garden's Georgian terraces along streets such as Bow Street and Floral Street were built with solid brick walls and no cavity, meaning rainwater can drive directly through deteriorating mortar into internal walls. Failed or blocked cast-iron guttering above sash windows allows water to saturate brickwork unchecked, producing damp patches, stained plasterwork and eventual mould growth on internal surfaces.

Hidden Leaks in Victorian Warehouse Flats

Former Victorian market and warehouse buildings converted into residential flats around Long Acre and the Piazza frequently contain original cast-iron and lead pipework buried within thick masonry walls and stone floors. These ageing pipes corrode slowly and leak without obvious signs until significant water damage has already occurred, often resulting in saturated subfloor timbers, persistent musty odours and mould colonies hidden beneath fitted flooring.

Condensation and Mould in Mansion Block Conversions

Edwardian mansion blocks in areas such as Aldwych and St Giles were designed with high ceilings and generous room volumes, but subdivision into smaller flats has reduced natural ventilation significantly. Kitchens and bathrooms added during conversion often lack adequate extraction, causing chronic condensation to build up on cold external walls and in poorly ventilated corners, leading to persistent black mould growth on walls and ceilings.

What our customers say

★★★★★

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

★★★★★

Service was excellent! Explained the whole process thoroughly, arrived on time when carrying out the survey. The survey was detailed and exactly what I needed for my insurance. They returned to carry out the treatment the following week. 10/10 would highly recommend.

Sukru, via Google

★★★★★

Amazing company! They responding very quickly. They have a low prices as well, not crazy quotes like from others. Job has been done very quickly and team was very professional. I will use them in the future if I needed. Thanks!

Patryk Gutowski, 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 Covent Garden

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

Frequently asked questions

How much does a damp survey in Covent Garden 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 Covent Garden?
Yes. We survey properties across Covent Garden 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.