Moved into a new house and a (fairly new) uPVC window will not open. I can unlock the the handle and it does not seem stuck -- but it will not open. It seem like something in the frame is stopping the window opening -- I can hear a tapping sound when I try.

It might be a safety feature, because the window is in the attic.

This video shows what I mean: https://i.stack.imgur.com/yxU12.jpg

Any suggestions on how to open it?

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  • Silly thought: Does it slide up? (Hard to tell from the pictures). Dec 12, 2021 at 13:27

1 Answer 1


I wasn't turning the handle far enough!

  • For those who haven't watched the video (or in case the video disappears) please edit your answer to indicate how far you did have to turn it. I presume 180°, but it's good to be explicit.
    – FreeMan
    Dec 13, 2021 at 19:01

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