See my answers in blue below this was done yesterday at the Edgeware dealer:
I guess I just take car to dealer and point at wheels - what approach have other people taken and how sucessful ?
Very successful
Should I ask for Service or a Sales person ?
I mentioned it as part of my service to the service dept.
Anything I should do / say, that ensures they sort my wheels ?
not really
What about a small mark on one wheel ( kerb parking ), will I be expected to pay something towards the new wheels ?
I also had a small kerb mark on one wheel.
Do they supply new or refurbished wheels ?
Didn't ask
Roughly how long from first mentioning it, to actually having new wheels on the car ?
As part of arranging the service about 5 days from calling.
Can they swap the wheels and tyres while you wait ?
Not sure
Has anyone tried to keep the old wheels ? ( maybe paying something for them ? )
don't know
Has anyone asked about getting 18" wheels instead of the 17" ones and paying the difference ?
don't know
Anyone else managed to get new wheels on a year old car ?
see above
IF the same thing happens to new wheels, will I be covered under warrenty for new wheels again in another years time ?
yes