What the sign can tell us
The sequence of building work and water signs is useful evidence, but timing alone cannot establish the cause. Drawings and work records help explain what changed.
Useful details to record
List the altered rooms, drilling or floor work and any plumbing moved during the project.
Include your postcode, the affected place and any earlier investigation. A concise history helps distinguish a repeating pattern from a one-off observation.
Where an investigation may begin
Make sense of what you cannot see.
Hidden leak detectionKeep the next step proportionate
A symptom alone does not identify a faulty pipe. Suitable investigation connects the observation with a cause before access or repair is proposed. If findings point outside plumbing, the recommendation should reflect that.
If water is actively escaping
For immediate danger, keep away from unsafe areas and use the appropriate emergency or urgent assistance service. Website enquiries do not dispatch emergency help or guarantee an attendance time.
Read the active-water guidance