Look above the window first
A damaged tile or slate further up can send water onto the flashing.
Flashing kits are specific
The pieces need to suit the surrounding roof covering and profile. Poor side laps and top details are common causes of trouble.
Dry-weather moisture suggests condensation
If water appears after showers or on cold mornings without rain, ventilation and humidity deserve attention.
Want a roofer to inspect it?
Describe the symptom and the weather conditions in which it appears. A few photographs from safe ground can help.
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