20 Fenchurch Street is a commercial skyscraper in London that takes its name from its address on Fenchurch Street, in the historic City of London financial district. It has been nicknamed 'The Walkie-Talkie' because of its distinctive shape. Construction was completed in spring 2014, and the top-floor 'sky garden' was opened in January 2015. The 34-storey building is 160 m tall, making it the sixth-tallest building in the City of London and the 12th tallest in London.