Make sense of
your wet ceiling.
Practical guidance for the clues you can see, the causes you can’t, and the work that comes next.
Immediate action
Water leaking through the ceiling: what to do now
Practical first steps for a leaking or sagging ceiling, water near lights, and getting the right urgent help.
Read the guideBathroom leaks
A wet ceiling under the bathroom
Understand shower, bath, toilet and concealed-pipe leaks that can wet the ceiling below a bathroom, and which observations help an investigation.
Read the guideRain & roofs
Why is the ceiling wet after rain?
Explore rain-related ceiling leaks, roof and gutter problems, and the difference between outside water and a concealed plumbing leak.
Read the guideUnderstanding moisture
Ceiling condensation or a water leak?
Compare useful signs of condensation and a ceiling leak, why mould and stains alone are inconclusive, and what to check next.
Read the guideStains & patches
Brown or yellow stains on the ceiling
Understand brown water marks, recurring ceiling stains and peeling paint, including when a dry-looking patch still needs investigation.
Read the guideFlats & shared buildings
Water leaking through the ceiling from a flat above
Practical guidance on ceiling leaks in flats, access to neighbouring homes, managing agents, evidence and coordinating a leak investigation.
Read the guideAfter the leak
Drying and repairing a wet ceiling
Understand the steps after a ceiling leak: stopping the cause, assessing damage, drying, checking electrics and preparing for redecoration.
Read the guideWhen the source is still a mystery
Let’s find out where
the water is coming from.
Tell ADI where the patch is, when it appeared and what you’ve already checked. The team can explain the next steps for a leak investigation.
0333 567 2643
Calls go directly to ADI Leak Detection
Office hours: Monday–Friday, 7:30am–6:30pmSaturday & Sunday closedWhat to have ready