That's not good (if I understand the pricing correctly). It looks like you could buy it for less separately after getting a kit with the 18-55mm IS included for £483 if you decided you wanted one later.
Oh well... you can't get great deals on everything. :-) The kit with the 18-55mm IS lens sounds like a great deal though (you're paying less than half of what that lens would cost separately outside of the kit for the little bit it adds to the body only price).
Again, I wouldn't rush out to spend a lot of money on lenses until you get some experience with the camera and have a better feel for what you may need. That way, you'll make better informed decisions on lenses later. You don't need to buy everything at once to get started.