I have no house! I live with my parents!
Simon is spot on, as you reside with Mater and Pater your contents are equally covered by their house policy so you could claim that way.
Thing is though for a couple of hundred quid it may not be worth claiming and screwing up any sort of no claims style bonuses they may have.
If you check out the ebay you can get replacement screens easily enough and all of the kit and knowledge you need to do it yourself.