If you're doing an NHS-funded course, you can apply for an NHS disabled student allowance.
You may also be able to get:
Help with travel costs if you go to university in London
If you don't have a disabled persons' Freedom Pass, you may be able to get an 18+ Student Oyster photocard to get discounts and free travel on TfL and other rail services in London.
Find out more about the 18+ Student Oyster photocards.