Damp patch or hidden pipe leak?
Several problems can leave similar marks. A short record of what changes is more useful than guessing from the shape of a stain.
Notice the pattern
Write down when the patch appeared and whether it changes after rainfall, heating or use of a bathroom. Note whether it feels consistently wet or comes and goes. Photographs from the same position make changes easier to compare.
Consider more than plumbing
Condensation, rain penetration, waste pipes and pressurised supplies can all be relevant. A moisture reading is a clue, not a diagnosis. The location of the nearest pipe does not prove it is leaking.
Avoid covering up the evidence
Decorating over a recurring patch makes it harder to see what is happening and does not address the cause. Keep a record of previous treatment, drying or repair attempts so an investigator understands the sequence.
What to share
Include the affected room, nearby plumbing, timing and any known water or heating pressure loss. If the dampness is active or spreading, arrange appropriate professional help promptly.
Tell us what’s
happening at home.
A damp patch. A moving meter. A boiler that keeps losing pressure. You don’t need to know where the leak is to make an enquiry.
Talk about your leak