Speak to a Specialist
Speak to a Specialist
Balham · SW12, SW17

Damp Survey Balham: 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 Balham 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 Balham, 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 Balham

Balham's housing stock is dominated by late-Victorian and Edwardian terraced houses, purpose-built Edwardian mansion flats, and interwar semis. Many properties retain original solid brick walls, single-glazed sash windows, and ageing internal plasterwork, all of which make them particularly susceptible to damp penetration, condensation buildup, and concealed plumbing leaks.

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 Balham we cover

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

Common damp problems in Balham homes

Rising and Penetrating Damp in Victorian Terraces

The large stock of late-Victorian terraced houses along streets such as Fernlea Road and Endlesham Road frequently present with both rising damp and penetrating damp. Original damp-proof courses, where they exist at all, have often deteriorated or been bridged by raised external ground levels, render repairs, or poorly installed garden paving, allowing ground moisture to travel steadily up solid brick walls.

Condensation and Mould in Mansion Flats

Du Cane Court and similar large Edwardian mansion blocks across Balham suffer persistent condensation-related mould growth, particularly in bathrooms and north-facing bedrooms. The thick concrete and brick construction retains cold on interior surfaces, and shared ventilation systems in converted flats are frequently inadequate, meaning moisture from cooking and bathing has nowhere to escape and black mould establishes quickly on walls and ceilings.

Hidden Leaks in Converted Victorian Properties

A significant number of Balham's Victorian terraces have been converted into flats, often involving alterations to original lead and early copper pipework. These conversions regularly conceal water supply and waste pipes within new stud partition walls, making slow drip leaks extremely difficult to detect. By the time staining or mould becomes visible, damage to floor joists, plasterboard, and timber skirting is often already well established.

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 Balham

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 Balham.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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