One of my friends had a really quiet hall, I mean it was deadly silent, there was no one coming in or out after a certain time, no one walking the corridors. We even had music on in there, very low volume off a laptop internal speaker and a girl came and asked us to turn it down, I couldn't believe she had even heard it, but that just shows how quiet it was.
I'm not sure if that is the norm though, the halls I was in were bloody awful for noise, I lived quite close to uni anyway, so used to be glad some weekends just to go home and be able to sleep, haha. We had fire alarms directly above our beds in every room, that people coming in pissed used to set off at about 3am, which would almost give you a heart attack they were that loud, at that time of night. Also alot of people doing certain subjects (like history......!) barely have to go in uni in their first year, so there seemed to be someone going out clubbing pretty much every night of the week, so coming in making noise as they do so, or putting music on in their rooms when they bring mates back. There is nothing more annoying than having to be up at 7am, and asleep, when someone comes in at 3am, puts music blasting and sits loudly laughing with friends in the next room for an hour or two. At least in rented flats, usually alot of the people are workers not students so they all have to be up at 7am too, and wont stand for anyone whose the exception making a racket at all hours.
The problem is halls are a good source of friends when you are moving to somewhere alone, so you might miss out on that, and apart from the noise, which I hated also, they are a pretty enjoyable experience. I would look very carefully at the halls before you apply, like I said initially there are ones out there that are reasonably quiet. If you didn't mind sharing with older people you could even consider trying to get a spot in postgrad halls, some places do allow this if there are rooms free, and they are generally quieter, since most postgrads have a 9-5 like day ahead of them.
On the other hand, if you have someone already to rent an apartment with, and think you can make enough friends from just lectures (and also dont mind shelling out the extra money for the rent the next few years) then you might be just happier doing that.