Damp or leak symptom checker.

A few questions about your home. A clearer idea of what to do next.

The checker needs JavaScript. You can still read our condensation guide, building damp guide and hidden leak guide. For water near electrics, a sagging ceiling or rapid flooding, stay clear and get urgent help.

Your answers stay in this browser tab. No sign-up, photos or contact details required. This is guidance, not a diagnosis. Your privacy