Water dripping from top of window (external)

This kind of issue can be tricky because the source of the leak isn’t always directly above the visible drip. Even if your neighbour’s flat doesn’t show any obvious leak, the water could be tracking through the wall or from pipework further back. Your best next steps: 1. Report it to your building management / landlord / freeholder as soon as possible, because leaks can cause structural damage. 2. Request a professional inspection … ideally from a plumber or a leak detection specialist. They can use moisture meters or thermal imaging to trace the exact source. 3. Check external factors…. sometimes water penetrating from outside (guttering, flashing, roof, or a broken seal) can travel down inside the wall before showing up lower down. 4. Take photos and document the timing …. this helps whoever comes to inspect understand the pattern.

Hi there we would fit a damp proof ei ther membrane or dpc type