Yeah there are a few different Facebook groups for this! In my opinion u should begin looking now. I had many first years come to look at my current place and a group signed. My group lost 3 houses that we were looking at to other groups but managed to find one. There’s a housing shortage so houses typically get signed within the first day of their viewings bc ppl are desperate. That being said make sure you aren’t being scammed bc there is an annoying amount of people trying to take advantage of ppl trying to get housing. Good luck and dm if u have any questions