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umop3pisdn-
Could be; the only thing that's odd is that the top is blown (as you can you see from the photo) but the middle part of the window is solid.
The bottom is the worst bit (the bit where it's come away).
Not sure how water entering the top would have fucked the top and bottom bits and left the middle alone...
Soul
Looks like the render around the window for the downstairs bathroom has disintegrated.
It's powdery and just falling away.
Obviously it needs replacing but anyone have any idea as to the possible cause? I don't just want to repair and have it happen again...