Drone flying laws around London

I am travelling to London next week and i am wondering if i can fly my drone there. The location is (51.457309,-0.307112) which according to noflydrones.co.uk it is airspace that one can fly their drone. However, i was worried about the legal perspective of flying in such a densly packed area. Thanks. via /r/drones http://bit.ly/2CFnq8p