THE NEW Walkie Talkie skyscraper in London has already leased over half its space with a over a year still to go on construction, say developers Land Securities.

A news release yesterday announced that the new development at 20 Fenchurch Street in the City of London has already leased 53% of its available office space.

A deal has been inked with two subsidiaries of of Boston-based Liberty Mutual Insurance that will see them occupy 117,336 sq ft of space across six floors of the building.

Nick Metcalf, President and Managing Director of Liberty Syndicates commented: “We are delighted to be able to consolidate our London offices. 20 Fenchurch Street is an iconic building and still enables us to be close to Lloyd’s and our brokers and clients.”

20 Fenchurch Street is a joint development between Land Securities and Canary Wharf Group plc. Construction on the project began in October 2010.