Speak to a Specialist
Speak to a Specialist
Lewisham · SE13, SE4, SE6, SE12

Damp Survey Lewisham: 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 Lewisham 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 Lewisham, 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 Lewisham

Lewisham's housing spans Victorian and Edwardian terraces in Ladywell and Brockley, 1930s semis around Grove Park and Downham, postwar council estates near Catford, and new-build flats along the Deptford and New Cross riverside. This mix of solid-wall Victorian brick, poorly insulated interwar cavity walls and dense modern conversions creates varied damp, mould and leak problems, from failing pointing to condensation trapped in poorly ventilated flats.

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 Lewisham we cover

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

Common damp problems in Lewisham homes

Solid-wall terraces in Ladywell and Brockley

Many Victorian terraces here were built without cavity walls or damp-proof courses, relying on lime render and breathable finishes. Later cement render and gypsum plaster trap moisture, pushing damp up from ground level and causing black mould around skirting boards and chimney breasts, particularly in ground-floor rooms backing onto small rear gardens.

Interwar semis around Grove Park and Downham

The 1920s and 1930s cavity-wall semis common across the Downham estate and Grove Park often have deteriorated wall ties, blocked cavities or bridged cavities from later loft conversions and extensions. This lets water track through to internal walls, showing up as damp patches near window reveals and in extended kitchens where original ventilation was removed.

Converted flats and new-builds near Deptford and New Cross

Riverside regeneration and Victorian houses split into flats around New Cross and Deptford leave many properties with limited through-ventilation and shared, often neglected roofs or parapet gutters. Residents frequently report condensation mould on north-facing bedroom walls and recurring leaks from communal plumbing or flat roofs above top-floor conversions.

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 Lewisham

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 Lewisham.

Frequently asked questions

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

Leak detection

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

Structural drying

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

Mould removal

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

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