Yea lots of unis say first sitting ont they, i reckon you should look up on their website / their prospectus and stuff and find out. I can imagine that Cardiff is a good law school but suffers from fewer applications PURELY because it is in wales, they may be totally wrong and if so then i apologise, and therefore it may be slightly easier to obtain an offer, even if it is to the AAA standard (i mean than say manchester/bristol etc who are all extremely popular)