ive got lots of disjointed comments to make about all of this so here goes...
1. our halls are pretty nice as long as you own your own fan heater.
2. although we're in central london we still have loads of fantastic student events, such as rag... and our freshers week is second to none. On top of that, on a daily basis there are a who string of clubs which have different nights that are 90% student... (ie. strawberry moons on monday, cafe de paris on tuesday...) which we all manage to get free entry too.
3. i find london cheap and amazing... restaurants compete for custom, so you can get a 2 course mean with wine in leceister square for less than £15... and there are so many offers on theatre, ballet and musicals, which people at other unis would never get the chance to see and experience.
4. dont be scared about moving to london as a uni student, its the easiest way to break yourself in, because you have your cosy uni environment to fall back into when the big bad city seems loney and daunting (which imo is never, but you never know...)