Speak to a Specialist
Speak to a Specialist
Streatham · SW16, SW2, SW17, CR4

Damp Survey Streatham: 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 Streatham 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 Streatham, 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 Streatham

Streatham's housing stock is dominated by late Victorian and Edwardian terraced houses, Thirties semi-detached properties, and a significant number of converted flats within period buildings. This mixture of solid but ageing construction, combined with dense urban occupation and frequent subdivision into flats, creates persistent conditions that encourage damp, mould growth, and concealed water ingress.

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 Streatham we cover

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

Common damp problems in Streatham homes

Condensation and Mould in Converted Victorian Terraces

Many of Streatham's Victorian terraces along roads such as Leigham Court Road and Estreham Road have been subdivided into flats, often with minimal insulation upgrades. Poor ventilation in kitchens and bathrooms, combined with solid brick walls that cannot breathe effectively, causes persistent condensation. This regularly leads to black mould forming on internal walls, window reveals, and ceiling corners throughout autumn and winter.

Penetrating Damp in Thirties Bay-Fronted Semis

The inter-war semi-detached properties common across Streatham Vale and Furzedown frequently suffer penetrating damp at the front elevation. Rendered bay window sections crack over time, allowing rainwater to track behind the surface and saturate the inner leaf of brickwork. Homeowners often discover damp patches on internal plaster well after the original defect has developed, making the source difficult to trace without a thorough survey.

Hidden Leaks in Purpose-Built Mansion Blocks

Streatham Hill and the streets bordering Streatham High Road include a number of Edwardian and early twentieth century mansion blocks with ageing communal pipework and lead or early copper supply runs. Slow leaks within shared voids and between floors frequently go undetected for extended periods, causing structural dampness, stained ceilings, and damage to decorative finishes before residents or managing agents identify the source.

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 Streatham

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 Streatham.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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