Just bought ours Lidl have some cracking deals and looking at the packaging / EC Approval Marks are all UK origin
http://www.lidl.co.uk/en/7120.htm
Avoid Iceland where the entire range fresh, frozen, whole, joints & crowns are from former Comecon Poland
I'll be lurking around Waitrose Christmas Eve afternoon to see if I can get a reduced bird at less than last years fiver