The official undergraduate course comparison website.
Unistats is run by the four UK Higher Education funding bodies and includes information like:
Student satisfaction (from the National Student Survey)
Employment outcomes (from the Destination of Leavers from Higher Education survey)
How the course is taught and assessed
Fee and accommodation costs
The percentage of students that continue on the course after a year
Unistats has data for over 36,000 courses collected from more than 400 universities and colleges.