Hi, experience wise, it depends on the uni. Im a mature candiate with no care experience but I've had an offer from Bangor and an upcoming interview for Chester (Mental health). LJM specify that you must have care experience so I was rejected by them (I just chanced it..!). I'm not sure about The University of Liverpool.
If you want to stay at your uni, just ask them about the possibilty of moving courses. I'm not sure if you would need to reapply through UCAS or not though....
Does your uni have a March intake? I know both Bangor and Chester still had places for adult nursing March 14 until just a couple of weeks ago. If you need to, you could apply for March 15 rather than Sept 15. I know it still seems like ages but I'm sure it will fly by and, as you say, it will give you a chance to gain experience. If Chester offer me a place I'll be taking March 15 and rejecting my Bangor Sept 14. I really don't want to wait that long tbh, Im 32, hate my job and I'm keen to get going but its worth it for the right course.
Good luck with what ever you decide to do x