I had a 2013 on 63 plate 1.4tsi SC and thought it was a great car. As said ensure it as the tech pack at least. Convenience pack, interior led's also nice to have. Only problems I had was driver side mirror stopped unfolding and a cracked high level brake light, all fixed in the warranty. The '63 I had was fitted with the 140 engine but sometime in 2014 it was changed for the 150 ACT version. Nowt wrong with the 140 though.
Any rattles in the doors should have been fixed under warranty. I didn't suffer with any issues like that but during a service extra sound deadening was installed in the doors which had the effect of making some of the road noise go away.