I have rung around and I'm seeing a few people this week about renting a desk.
Costs are - desk rent GBP 2,100 (this is for use of TT, CQG, Reuters, 3 screens, access to Eurex, Euronext.liffe, CBOT, CMW, and Matif).
Collateral - min GBP20K
Commission charges start at Eur 0.88 perround trip...