Canary Wharf

The Canary Wharf area of London was home to Torchwood Tower. (DW: Army of Ghosts/Doomsday)

Shortly after the change-over from 1999 to 2000, due to Ashley Chapel's use of the Millennium Codex, a triangular area of London centred at One Canada Place transformed into a place called the Great Kingdom. (MA: Millennial Rites)

A major battle between Daleks and Cybermen took place there. (DW: Doomsday)

Thomas Brewster and Polly Wright flew past Canary Wharf in 2009. (BFA: The Three Companions)

Alternate timelines
The Doctor's TARDIS materialised at the Canary Wharf stop of the London Underground in an alternative version of 2006, in which London had suffered major destruction. (PDA:  The Time Travellers)