B4.1 Brushless RTR would include 2.4GHz radio, brushless motor/esc and a metal gear servo. The cost is low, so even with a good charger and a couple of lipos, that would easily be available for under 400£.
Amain hobbies currently has a preorder price of 224,99$ for B4.1 brushless:
http://www.amainhobbies.com/product_...ggy-w-24-Radio