Penetrating Damp Surveys in Kent
Penetrating damp is one of the most misdiagnosed moisture problems in Kent properties. Our independent surveyors trace water ingress back to its true source — defective pointing, blocked cavities, failed render, or roof and gutter defects — so the right repair is carried out first time.
What is Penetrating Damp?
Penetrating damp is moisture entering a building horizontally through the external walls, roof, or around windows and doors. Unlike rising damp, it can appear at any height and often worsens after periods of driving rain.
Kent's exposed coastal and rural properties are particularly vulnerable due to prevailing weather, aged masonry, and hidden cavity wall defects. Left untreated, penetrating damp causes plaster failure, timber decay and mould growth.
Common Signs & Symptoms
- Damp patches that darken after heavy rain
- Water staining on ceilings or chimney breasts
- Blown or bulging plaster mid-wall
- Damp odours in a specific room only
- Mould growth around windows
- Water tide marks on external walls
Why a Professional Survey Matters
- Water travels — the visible damp patch is rarely the source.
- External fabric defects are often invisible without trained inspection.
- Insurance claims require evidence-based cause identification.
- Correct diagnosis prevents repeated failed repairs.
How Our Survey Process Works
Property Inspection
Full internal and external inspection of the affected areas.
Moisture & Environmental Readings
Calibrated meter, deep-wall probe, humidity and dew point readings.
Evidence-Led Analysis
Findings analysed to identify the true cause — never assumed.
Structured Professional Report
Clear PDF report with photographic evidence and recommendations.
What's Included in Your Report
- Full external building fabric inspection
- Internal moisture mapping and readings
- Roof, gutter and rainwater goods check
- Cavity wall, render and pointing assessment
- Photographic and thermal evidence
- Clear repair prioritisation