So , if you're in UK, there's nothing wrong - even this early - with visiting your local university open day, even unregistered, just walk round for a few hours. take a parent for taxi-ing, and for advice - just (after you get there) remind them that it will eventually be YOUR choice(*), tho' promise that you'll listen politely to any of their suggestions
Make sure you visit the "Lit" stands, where you can chat for a bit and pick up cool gifts, check out Psychology too - halfway house between science & philosophy. make sure you talk to the scientists on their stands, and in fact any other stand that catches your eye. A few colleges offer a free-flow, 'design your own degree', Liberal-Arts flexi degree or mixed major degree, getting similar to the USA model.
hard STEM courses will continue to offer the best job prospects, and STEM remains an entry route into the world of silly-money banking & finance.
Literate courses will give you about half the study hours needed at STEM...
hmmm.....forensics is popular, probably too popular a degree choice, due the TV exposure - but I refer you back to (*)
For some reason, most UK students seem to actually attend a uni which is around four hours drive from home, in my opinion. So you probably won't attend your local place, unless you like it a lot - and anyway you get to add another four choices when UCAS time comes round. [Plus, If you like Ireland, you can choose an amazing extra TEN universities and courses as 'backup' to UCAS, with the option to change your entire application even as late as now, mid May, for August 2019 placing, I chose this year three courses at Trinity College Dublin, one at UCD, one at UCC., one at DCU, one at DIT, one at IADT, one UoL, and finally another course at University College Cork]
You don't need to decide straight away which UCAS course, many students only make up their mind by , say, Tuesday 15th October 2019 at 6pm BST (If they are wishing to do Med. or Oxbridge in 2020) or January 15th 2020 for the rest of the courses and colleges. Even then, five percent of students (approx) might change their mind and change their course in the few complicated ways that are available.
Oh, and UCAS registration for the 2020 season starts in 4 days time...