I just thought of something I forgot to add...
On jobs
If you can, I would advise you to get a temporary job during your first term. Why? Because it's extra cash in your pocket, will only add to your CV and will set you up for terms 2 & 3. In your 1st term, lectures won't be as often as terms 2 & 3 so you can use a little free time (maybe 1 day a week) where you're working. You can always quit later in the year to focus purely on studying.
If after the first 3/4 months you feel settled and sure you're going to carry on doing the course and not drop out, think about year 2 accommodation.
This is important because you have to start considering your year 2 accommodation in term 2 (believe it or not) because in a lot of places, the best houses might go early. So during term two, try and decide if you want to live in halls again (if you did in first year), or if you want to move into a house. The spare cash will come in handy because if you agree to renting a house with a few other people (e.g. a group of 4 students), you're gonna need to put down a deposit at the letting agency.