The locking mechanism has got stuck onto 'lock' on my window. It's a multi point lock (has brass bars that come out either side).
It seems that the brass bar on one side has got stuck as when you turn the handle it doesn't come open. It opens on the other side.
It seems like something has failed in the locking mechanism but I don't know what?
How can I replace what's broken inside the window? And how much would it cost?