Speak to a Specialist
Speak to a Specialist
Herne Hill · SE24, SE5, SW2

Damp Survey Herne Hill: 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 Herne Hill 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 Herne Hill, 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 Herne Hill

Herne Hill is characterised predominantly by late Victorian and Edwardian terraced houses, substantial semi-detached villas, and converted flats within period buildings. Many properties retain original single-skin brickwork, ageing lime mortar, and solid-wall construction, all of which make them particularly susceptible to penetrating damp, rising damp, and persistent condensation issues.

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 Herne Hill we cover

We visit properties right across Herne Hill and its neighbourhoods, including:

Common damp problems in Herne Hill homes

Penetrating Damp in Victorian Terraces

Herne Hill's abundance of late Victorian terraced properties features solid brick walls with no cavity, meaning rainwater can soak directly through the external masonry. Deteriorated pointing along side returns, chimney stacks, and bay window junctions is a frequent cause. Once moisture penetrates, it migrates inward, producing damp patches and mould growth on internal plasterwork, often mistaken for condensation.

Condensation and Mould in Converted Period Flats

A significant proportion of Herne Hill's larger Victorian villas have been subdivided into flats, often with minimal insulation upgrades. Poor thermal performance in solid external walls, combined with restricted ventilation in converted bathrooms and kitchens, creates ideal conditions for condensation mould. Upper-floor and basement conversions are particularly vulnerable, with black mould frequently appearing on north-facing walls and within built-in storage cupboards.

Hidden Leaks from Ageing Shared Drainage

Many Herne Hill properties share original Victorian drainage systems running beneath rear gardens and under ground-floor slabs. Fractured clay pipes and deteriorated lead waste stacks within party walls can leak for extended periods before becoming visible. These hidden leaks introduce sustained moisture into subfloor timbers and internal wall cavities, leading to rot, rising damp indicators, and persistent musty odours that are difficult to trace without specialist survey equipment.

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 Herne Hill

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 Herne Hill.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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