Did you take a top up bbls?Was the original monthly amount correct?
I had a explanation from Barclays. It is over 60 months as one year was interest free. So the £250 per month pays back the original loan. Plus the 2.5% interest which comes to the £280 figure.
If you plan to get a place via 'clearing'
Lower your band & save £1,000s
Past-best-before health food etc