Speak to a Specialist
Speak to a Specialist
Knightsbridge · SW1X, SW3, SW7

Damp, Mould & Leak Specialists in Knightsbridge

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

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

Knightsbridge is dominated by grand Victorian and Edwardian terraced townhouses, Regency-era stucco-fronted properties and large mansion blocks, many subdivided into luxury flats. The age and depth of these buildings, combined with high-density occupation and original solid brick construction, makes them particularly susceptible to penetrating damp, condensation 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 Knightsbridge we cover

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

Common damp problems in Knightsbridge homes

Penetrating Damp in Stucco-Fronted Terraces

Many Knightsbridge properties retain their original Victorian stucco render, which becomes porous over time and allows rainwater to penetrate the facade. Properties along Pont Street and Ennismore Gardens frequently show damp patches on internal walls behind plasterwork, often mistaken for condensation. Cracked render around window surrounds and cornices accelerates water ingress, particularly during prolonged westerly rain.

Hidden Leaks Within Converted Mansion Blocks

The large Edwardian mansion blocks around Lowndes Square and Sloane Street have been subdivided numerous times, resulting in complex shared pipework running through ceiling voids and party walls. Slow leaks from aged copper pipework or deteriorating waste stacks often go undetected for months, causing hidden timber decay and mould growth within partitioned walls before any visible staining appears on ceilings.

Basement Damp in Knightsbridge Townhouses

Knightsbridge townhouses frequently feature lower-ground-floor or full basement levels, originally built without modern tanking or cavity drainage. These below-ground spaces are vulnerable to rising damp and hydrostatic groundwater pressure, particularly following heavy rainfall. Properties near Hans Town and Rutland Gate, which sit on London clay, are especially prone to water tracking through original brick foundations and flagstone floors.

What our customers say

★★★★★

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

★★★★★

Really impressed with the whole experience. The surveyor did a proper, thorough job and didn't rush anything, they got to the root cause of the damp and explained it all clearly. Detailed, professional and reassuring from start to finish. Couldn't recommend them more highly.

Keiryn Raf, 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 Knightsbridge

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

Frequently asked questions

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