One Canada Square was completed. It is expected to become the third tallest building in the United Kingdom in 2019 upon completion of 22 Bishopsgate. One Canada Square never achieved the title as tallest skyscraper in the European Union because in accordance to the CTBUH method, a building has to be "completed" before its receives its title, with Messeturm in Frankfurt being completed in 1990. On 15 November 1992, the Provisional Irish Republican Army attempted to place a large improvised explosive device near the tower. The IRA had already worked out that to cause maximum damage, the bomb had to be placed under
Grosvenor Square In September 2013, the Government of Canada announced its intention to sell its High Commission building at One Grosvenor Square and "consolidate its diplomatic activity in the UK in a single, central location in Canada House on Trafalgar Square". Since then, Indian real estate group Lodha has demolished the building and is in the process of creating a new, high-end residential development. Grosvenor Square Grosvenor Square is a large garden square in the Mayfair district of London. It is the centrepiece of the Mayfair property of the Duke of Westminster, and takes its name from the surname "Grosvenor". Sir Richard