As the urban legend goes, CC took a trainee who went to Thames Valley apparently...
Reputation of the university gets your foot in the door in the sense that it is one of the things they look at first (in addition to UCAS points, predicted 2.1 grade), meaning your application probably won't be binned straight away. After that initial sifting, the rest is down to you and how strong your application is, not your university's name...