In reply to Coel Hellier:
> Your old university department should be able to look up their records and provide a reference stating what course you did and what marks you obtained. I suggest you contact the current Director of Undergraduate Studies in that department.
This is what I did when I was in a similar situation a couple of years back. They were able to provide a reference and a copy of my transcript (the latter for a fee). It's also worth phoning the department you are applying to. In my case, at least, they were happy to accept recent employment references from more mature applicants, as long as they were asked in advance if that was ok. Of course, by the time I found that out I had managed to obtain the required academic references anyway
> Fairly common, yes. Either the request to the referee comes from the applicant, or from the place you're applying to; both are common.
Yes, the method for getting references varies by institution and can also vary by school within an institution, but asking the applicant to sort them out is not uncommon.