You can appeal a decision -
1. Ring the admissions tutor and POLITELY explain your situation.
2. Ask her/ him (alot of them seem to be female) to offer their reasons for rejection.
3. State your reason that you think you should be reconsidered, if you make a good case they may ask for a further reference from your college with a view to making you an offer.
The above worked for me but by the time my college said they would do me a further letter I already had the offer that I wanted from Hull.
it's like...before a uni makes a decision, it's the 'boss'
then when u've got an offer from a uni, u are the 'boss'...i mean u can decide whether to accept the offer or not...
As I said it is very unlikely that you will get an offer but it has happened so don't give up if you reallllly want to go somewhere. As i said before unless you're reapplying you've got nothing to loose. It might just be worth contacting the univeristy in question and asking why you were rejected then in light of what they say ask if they would be preapred to reconsider your applicant if you provided them with any additional information, references, academic work etc. Atleast by phoning them you will be showing how keen you are to go to that uni.
Be preapred of a straight "No" though, or just to be told that there is not enough places for you as the course was really popular/very oversubsribed this year. If they say this then I would just leave it and try to move on as i doubt you would get anywhere unfortunatly .
If you don't atleast try now then you may end up kicking yourself for not doing so in the future. Atleast if you try and they still say "No" then you won't feel like you didn't try.....and they could even end up saying yes