Join Date: Jan 2007
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The rest of the stuff shouldnt cost you too much. The window motor you could probably do yourself. There are instructions on the forum somewhere on how to replace the window regulator (which the motor is attached too). Do a search for window regulator replacement or something like that.
Nationwide Autocentre do air con repairs / servicing, may be worth giving them a bell to see if how much they will be to repair the system.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo