Well fees are fairly standard, at (you can look it up for precision, but, off the top of my head) £9250 per year.
Generally speaking, most courses are 3 years, but there are some people that do an integrated masters and some that do a foundation year which makes it 4
(I'm talking about England btw, Scotland is different).
However
Most students don't see this money.
It goes straight to the University and is then repaid after the student starts earning above the base level, in the form of a tax.
ie, it isn't a loan in the usual sense. It doesn't matter how much you owe, the repayment is the same.
So if the student gets a full maintenance loan as well (again, around £9250) and does a 3 yr course, they will have taken out about £55,000 in loans (give or take) but most students don't ever pay that amount back.
When they earn more than (again, you can google the precise figure, but for now say it is) £28K, then, over a year, they pay 9% of the amount over the £28K.
So if they earned £28,100, they would pay back £9 a year.
If they had only had the minimum maintenance loan, and therefore "only" owe £41K, they are still paying back exactly the same amount.
If they stop work at any point in the future (illness, SAHP, accident, go to start their own business which doesn't earn much, stop to re train, or to travel the world or whatever) they won't pay anything that year. If thy go part time and earn under the threshold then they they won't pay anything that year.
If you do an apprenticeship then you don't have student loans. Apprenticeships vary wildly. You can do apprenticeships at various levels (Level 2, 3, etc, Level 6 is degree equivalent I think).
To have this explained FAR better than me, look at Martin Lewis (just google) and he will explain it much better, and probably with the correct figures.