Damp Meter Readings Explained: UK Chart & What Levels Mean Micken Patel — CSRT Qualified Damp Surveyor 15 years’ experience · Property Care Association certified · Last updated 29 September 2026 Quick answer: As an indicative guide on a UK pin meter, up to 16% is normal, 17–20% is borderline and 21% or more is … Continue reading Damp Meter Readings Chart UK