Thing to remember is the small print on your overdraft is huge.
And you will find they can amp up your interest rate very soon after you graduate.
Government loans have multiple levels of security to stop you getting f**ked. Bank ones etc don't and they will get shitty at a rate of knotts forcing you to choose between shitty jobs rapid repayment, or screwing your credit rating.
And that can really hurt.
Enjoy Uni with less pub. Or sneak vodka into the pub or I have an excelent recipe for turning boot polish into drinkable booze or join the Muslim society