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City Hall, London

City Hall
"The Snail"
London City Hall
City Hall, London is located in Central London
Location of City Hall in Central London
General information
Location Southwark, London, England
Address 110 The Queens Walk, LONDON, SE1 2AA
Current tenants Greater London Authority
Completed 2002
Owner More London Development Ltd.
Height 45 m[1]
Design and construction
Architect Norman Foster
Architecture firm Foster and Partners
Structural engineer Arup

City Hall is the headquarters of the Greater London Authority (GLA), which comprises the Mayor of London and the London Assembly. It is located in Southwark, on the south bank of the River Thames near Tower Bridge. It was designed by Norman Foster and opened in July 2002, two years after the Greater London Authority was created.


  • Background 1
  • Design 2
  • Location 3
  • References 4
  • External links 5


For the first two years of its existence, the Greater London Authority was based at Romney House, Marsham Street in Westminster.[2] Meetings of the London Assembly took place at Emmanuel Centre, also on Marsham Street.[3]

City Hall was constructed at a cost of £43 million [4] on a site formerly occupied by wharves serving the Pool of London. The building does not belong to the GLA but is leased under a 25-year rent.[5] Despite its name, City Hall is neither located in nor does it serve a city (as recognised by English constitutional law), often adding to the confusion of Greater London with the City of London, which has its headquarters at Guildhall. In June 2011 Mayor Boris Johnson announced that for the duration of the London 2012 Olympic Games, the building would be called London House.[6]

The predecessors of the Greater London Authority, namely the Greater London Council and the London County Council, had their headquarters at County Hall, upstream on the South Bank. Although County Hall's old council chamber is still intact, the building is unavailable for use by the GLA due to its conversion into, among other things, a luxury hotel, amusement arcade and aquarium.


The interior helical staircase of London City Hall
Model of London City Hall in Legoland Windsor

The building has an unusual, bulbous shape, purportedly intended to reduce its surface area and thus improve energy efficiency, although the excess energy consumption caused by the exclusive use of glass (in a double facade) overwhelms the benefit of shape. Despite claiming the building "demonstrates the potential for a sustainable, virtually non-polluting public building",[7] energy use measurements have shown this building to be fairly inefficient in terms of energy use (375 kWh/m2/yr), with a 2012 Display Energy Performance Certificate rating of "D".[8] It has been compared variously to Darth Vader's helmet, a misshapen egg, a woodlouse and a motorcycle helmet. Former mayor Ken Livingstone referred to it as a "glass testicle",[9][10] while the present mayor, Boris Johnson, has referred to it as "The Glass Gonad"[11] and more politely as "The Onion". Its designers reportedly saw the building as a giant sphere hanging over the Thames, but opted for a more conventionally rooted building instead. It has no front or back in conventional terms but derives its shape from a modified sphere.

A 500-metre (1,640 ft) helical walkway, reminiscent of that in New York's Solomon R. Guggenheim Museum, ascends the full height of the building. At the top of the ten-storey building is an exhibition and meeting space called "London's Living Room", with an open viewing deck which is occasionally open to the public. The walkway provides views of the interior of the building, and is intended to symbolise transparency; a similar device was used by Foster in his design for the rebuilt Reichstag (parliament) in Germany. In 2006 it was announced that solar photovoltaic cells would be fitted to the building by the London Climate Change Agency.


Southwark bank of the River Thames, near Tower Bridge
Tower Bridge and Canary Wharf viewed from the balcony around the top of the building.

The building is located on the River Thames in the London Borough of Southwark. It forms part of a larger development called More London, including offices and shops. Next to City Hall is a sunken amphitheatre called The Scoop, which is used in the summer months for open-air performances; it is not, however, part of the GLA's jurisdiction. The Scoop and surrounding landscape were designed by Townshend Landscape Architects. The nearest London Underground and National Rail station is London Bridge.


  1. ^ City Hall on
  2. ^ "Greater London Authority – Press Release". 15 March 2001. Retrieved 2012-08-15. 
  3. ^ "London Assembly meeting – 24 May 2000". Retrieved 2012-08-15. 
  4. ^ "SPICe Briefing" Retrieved on 2010-03-01
  5. ^ "Inside City Hall" Retrieved 2010-03-01
  6. ^ London SE1 website team London SE1 community website. "City Hall to be renamed ‘London House’ during 2012 Olympics [15 April 2011]". Retrieved 2012-08-15. 
  7. ^
  8. ^ Peter Macdiarmid/Getty Images. "Public building CO2 footprints revealed". the Guardian. Retrieved 14 September 2015. 
  9. ^ Deyan Sudjic (8 July 2001). "A thoroughly modernising mayor". The Observer. Retrieved 23 January 2010. 
  10. ^ "'"Inside London's new 'glass egg. BBC News. 16 July 2002. Retrieved 23 January 2010. 
  11. ^ Stephen Robinson (28 December 2008). "Is Boris on an upward spiral at last?". The Sunday Times. Retrieved 23 January 2010. 

External links

  • Greater London Authority – City Hall
  • UCL CASA – Panorama of City Hall (requires QuickTime)

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