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
Queen Square, London Preceptors (also known as the College of Teachers) occupied #42 Queen Square from 1855 until 1887. Many of the buildings surrounding the square are devoted to providing, researching and administering health care. Two hospitals, the National Hospital for Neurology and Neurosurgery (NHNN), often referred to synechdochally as "Queen Square", and the Royal London Hospital for Integrated Medicine (formerly the Royal London Homoeopathic Hospital), make up the east side of the square. The Institute of Neurology, part of University College London (UCL), is located in the north east corner of the square. The former Institute for Public Health takes up much