So they've swapped the wheels over and cannot re-create the issue.
Upon further investigation by VW Taunton, the issue seems to be with the front alloys - something to do with weight (wheel being under weight after re-furb). New ones ordered. Anyone know how much the standard GTD alloys retail at?
Hopefully I can test drive this Saturday and bring my car home - all being well.
If you have an issue I can recommend VW Taunton, the service has been great plus I got a courtesy car with no questions asked.