Have you tried any of these:

http://www.worldwar2exraf.co.uk/useful%20addresses%20page%201.htm
Bit of a long shot but worth a try

Colin89SX

Colin,

Thanks for the tip! I had seen the site but assumed it was really for veterans wanting to contact each other, rather than research into casualties. I see, however, that there are quite a few research-type questions on there. I'll give it a go.

Bob.