One of the problems that the Visual Effects business in London has had for many years is how to find suitably trained animators - photo realistic creature work is very demanding and the skills involved can be quite different from animating character performances. One school that offers an excellent training (at very reasonable rates) is Rob Hemmings' admirable Animation A-Team. He focuses exclusively on training animators for creature work, aiming squarely at the likes of Frame Store, Double Negative, MPC and Cinesite. The reels his students come up with are hugely impressive - you can see their work, and his website
here: Enjoy! - Alex