If you're on a course that is more than a year, it is likely you will have to make a decision about your housing for subsequent years. You may already be sharing with people but in most circumstances these will be with people you have not personally selected but who have been randomly allocated. You might not have established firm friendships by the time others start thinking about accommodation.
Take your time to think about whether you really do want to share with other people or not. Some people prefer to live alone. If you want to share, you might decide this will be the group you already live with but you might also decide you would prefer to live with different people you know from your course, societies, sports etc.