>>>I just realised a caeer I'd really want to be a part of in the future
>>>Basically, it's to do with Art
Yes, but what exactly is it? In some career fields (such as journalism, professional photography and the fine arts) it's still possible to be successful simply by letting others see what you're capable of. Whereas in some other areas you usually need qualifications to 'get a foot in the door'. Without knowing
exactly what you're thinking of, it's hard to advise you.
If the type of work you're interested in is listed here, you'll be able to see what's usually required to enter that field:
https://nationalcareersservice.direct.gov.uk/advice/planning/jobfamily/Pages/artscraftsdesign.aspx
This might also be relevant:
http://prospects.ac.uk/creative_arts_culture_sector.htm
You can also see where a degree in any particular subject might take you, here:
http://prospects.ac.uk/options_with_your_subject.htm
Chris