It was designed by Ronald Ward and Partners and built by John Mowlem & Co.[1] It is a landmark on the London skyline, standing beside the River Thames, half a mile upstream from the Palace of Westminster.

Other floors in the tower are or have been occupied by organisations and commercial companies, including the Environment Agency, the World Bank (which moved out in early 2022),[6] Altitude 360 London, foreign exchange specialists World First, the Specialist Schools and Academies Trust, the UK India Business Council, the London office of Medopad, Canonical Ltd, the Audit Commission, event caterers Salt and Pepper, Private Food Design, the firm Lewis PR, the London office of the Open Society Foundations, the Local Government Boundary Commission for England, XLN Telecom and Leave.EU.

[7] In April 2016, the Reuben brothers were granted permission by Westminster City Council to redevelop the building, notwithstanding its Grade II Listed status.

[8][9] The resulting development will comprise 207 high-end apartments, a 5-star hotel with 150 rooms, a gym, spa and swimming pool, and a new cultural centre.

The redevelopment, which includes a plan for an additional three storeys on the main tower is set to break ground in 2024 once the existing tenancies cease.