Yes, the University is required to confirm to Home Office at the date of your Graduate route visa application that you have successfully completed your course. This email notification is normally automatically sent to you by the University.
If you think you should have received the email notification about Graduate Route from the University following your successful course results but haven't then please get in touch with the Graduate Notifications Team via email:
Gradroutenotifications@contacts.bham.ac.uk
Please note, the Graduate Route email notification is not related to your graduation ceremony which comes later normally.