"We're trying to extend dwell time in a positive way, " says Camille Waxer, chief administrative officer at Canary Wharf Group PLC.

WSJ: Shopping Centers Take a New Spin on Leisure

The Walkie-Talkie building, work on which started in January and is due to be completed in 2014, is a joint venture with Canary Wharf Group.

ECONOMIST: Prime numbers

The Canary Wharf group offered the program space for an innovation floor, so unlike New York, the tech companies have all been in the same place and within easy reach of most bank headquarters.

FORBES: Hot Tech Teams Pursuing Finance Solutions In London's FinTech Lab

Canary Wharf Group PLC, which benefits from a working population of 100, 000 in London's second financial center, has a 100% occupancy for its shops and has found tenants for all the stores vacated by failed retailers, except for one, which is currently under offer, the company said.

WSJ: U.K. Retail Rents Drop as Stores Close