Damp and moisture investigation
Damp Proofing and Property Preservation in Cardiff
Find the cause before treating the wall.Andrew investigates the likely cause before recommending treatment for damp, timber decay, woodworm, mould, wall ties and below-ground water ingress across Cardiff and South Glamorgan.
Review platforms
Read Andrew's reviews on recognised platforms.
Diagnosis first
Damp symptoms can have several different causes.
Damp patches, mould, damaged plaster and timber deterioration can arise from different causes. Andrew looks at the property, the pattern of symptoms and the surrounding fabric before recommending the next step.



Services
Property preservation and house renovations in Cardiff.
01Damp investigationUnderstand staining, tide marks, mould and moisture movement.
02Rising damp treatmentCheck low-level staining, salts and damaged plaster before treatment.
03Woodworm treatmentInspect exit holes, dust and timber condition in floors and roof voids.
04Basement waterproofingReview below-ground moisture and practical waterproofing routes.
05Wall-tie replacementHelp with survey comments, cracking and suspected tie corrosion.
06Structural crack stitchingReinforcement repairs where masonry cracking needs stitching bars.
07Timber treatmentPreservation treatment for vulnerable or affected structural timber.
08Full house renovationsInternal alterations, floor preparation and replastering within an agreed renovation plan.Why choose us
Specialist preservation advice that feels calm, clear and considered.
Project evidence
Fresh plaster after treatment
A treated wall reinstated with new plaster ready for drying and finishing.
- Approach
- Inspect the evidence, discuss the property history and explain likely causes.
- Outcome
- A clearer route for preserving the affected part of the property.

Customer reviews
Google reviews and local customer feedback.
Areas we cover
Describe the symptoms and arrange a house visit with Andrew.
AP Property Preservation covers Cardiff, South Glamorgan and surrounding areas. Call, WhatsApp or send an enquiry with the affected area and postcode. Andrew will visit before providing a quote.
Speak to Andrew
Arrange a house visit before receiving a quote.
Describe the issue and where the property is located. Andrew will arrange a visit to assess it in person before preparing a quote.