Defer until you're ready and emotionally prepared to commit to a degree, if you're still undecided in a year's time maybe just put a pin in it?
I commute and ive never partied at uni because its not for me, I found lots of friends who also don't enjoy partying either so you wont miss out. I thought I wouldn't enjoy it either tbh but I love it im finally with people who want to learn and build something for themselves but still want to have a little fun and laugh with me
I think with the amount of people at University it's more than likely you'll come across people that prefer to stay in rather than party etc.
I'm starting this year at University also and I don't like to party, I'd much prefer a night at the cinema or playing the arcades. My biggest concern however is my age as I'm 26 and I'll be 27 in November where as most in halls are going to be a lot younger than me.
Try not to worry too much about it all though and look forward to taking a step towards your future. Maybe when you go into the second year you'd have made some friends you can move in with instead of a roulette of house mates like the first year.
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