One Canada Square of the building, designed by Cesar Pelli and Koetter Kim. The extension replaced the stainless steel columns, car parking spaces and road leading to Canada Square. The extension was made to create more retail space at street level, where five tenants were chosen to occupy the space: four restaurants and Lloyds Bank. The extension's roof terrace is open to diners and contains a green roof having sedum moss. The name given to the building by the developers is 'One Canada Square', but it is often incorrectly called 'Canary Wharf Tower' or simply 'Canary Wharf'. The Civil Aviation Authority shows the
Canada House future Macdonald House, located at 1 Grosvenor Square in Mayfair, in 1961. In 1993, Canada House was closed by the Canadian government as a cost-cutting measure with the intention of selling it. A change of government in Canada saw this decision reversed and renovations were planned instead, beginning in 1997. The building was officially reopened by Queen Elizabeth II, as Queen of Canada, in May 1998. To commemorate the reopening, a detachment from the 3rd Battalion, Princess Patricia's Canadian Light Infantry, came to London and mounted the Queen's Guard at Buckingham Palace. Canada House was closed again in 2010 and