About DampUK

What DampUK is for

Damp on a wall can be worrying, particularly when someone recommends expensive treatment before explaining where the moisture is coming from. DampUK offers practical information on the symptoms, likely causes and sensible next steps. The intention is to make it easier to ask good questions and understand what a surveyor or contractor is proposing.

Our guides cover rising damp and damp-proof courses, rainwater penetration, plumbing leaks, condensation, mould, ventilation, moisture meters and common damp-treatment proposals. They are intended for UK homes, including older buildings that can behave differently from modern cavity-wall properties.

Diagnosis should come first

Similar-looking patches can have different causes. A mark near the floor might relate to ground moisture, bridged damp-proofing, a leaking pipe or condensation. A high electrical moisture-meter reading does not, on its own, prove rising damp. Where the condition is unclear, an appropriate inspection may be needed before repairs are specified.

We encourage readers to examine patterns: when the problem appears, whether rain makes it worse, where ventilation is inadequate and whether nearby building details need attention. We also explain why some advertised cures are unsuitable when the diagnosis is wrong.

Who runs the website?

DampUK.co.uk is maintained by Prudent Plus Limited. The registered company information is set out below and in the footer on every page.

Prudent Plus Limited maintains the editorial site; DampUK is not itself a surveying practice, damp-proofing contractor or emergency repair service. The information here does not constitute a survey, a structural appraisal or a diagnosis of any individual property.

Finding local tradespeople

Some pages include a link to MyJobQuote, an external trade-matching website. If you follow such a link, you leave DampUK and the third party operates its own website, privacy arrangements and service terms. We do not select or supervise individual tradespeople found through that service.

Before employing someone, ask for a clear written explanation of the cause, a scope of work, relevant qualifications and experience, insurance details and written quotations. Where the proposal is costly or the cause is uncertain, consider getting an independent opinion. Different defects may require a plumber, roofer, ventilation specialist or suitably experienced building surveyor rather than a general damp-treatment package.

Safety and limitations

Do not enter unsafe roof spaces, disturb suspect asbestos, remove structural materials or work near electrical equipment affected by water. Active leaks near electrics, unsafe ceilings, structural movement and extensive mould may require prompt professional attention. People with health concerns about damp or mould should seek advice from an appropriate health professional.

We aim to keep the guides helpful and accurate, but building practices and official guidance can change. Each property needs to be considered on its own merits. Photographs and illustrations are examples, not diagnoses.

Contact and company details

For editorial corrections, questions about this website or privacy requests, contact us by email:

Please do not email photographs or detailed personal information about a property expecting a remote diagnosis. We do not provide property-specific survey advice by email.

For more information about personal data and the website's use, read our privacy notice and website terms.

How these guides are prepared

DampUK is maintained by Prudent Plus Limited. The articles explain common building defects and investigation methods in plain English. They are general information, not the result of inspecting your home.

We aim to distinguish a visible symptom from its possible causes. Where evidence is uncertain, a local inspection may be needed. The photographs are illustrative and should not be taken as proof of a diagnosis.

If you spot an error or a detail that needs clarification, please use the contact method provided on this page.