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Coordinates: 51°30′52″N 00°04′49″W / 51.51444°N 0.08028°W / 51.51444; -0.08028
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In September 2006, the building was put up for sale with a price tag of £600 million.<ref>{{cite news|date=16 September 2006| url=http://business.timesonline.co.uk/tol/business/industry_sectors/construction_and_property/article640868.ece|archivedate=4 February 2010| archiveurl=http://www.webcitation.org/5nIUFaCxr|title=Prize Gherkin put up for sale|last=Davey|first=Jenny|publisher=Times Online|accessdate=4 February 2010 | location=London}}</ref> Potential buyers included [[British Land]], [[Land Securities]], [[Prudential plc|Prudential]], [[ING Group|ING]] and the [[Abu Dhabi]] royal family. On 21 February 2007, [[IVG Immobilien]] AG and UK investment firm [[Evans Randall]] completed their joint purchase of the building for [[Pound sterling|£]]630 million, making it Britain's most expensive office building.<ref>{{cite news| url=http://www.guardian.co.uk/business/2007/feb/05/7 |title=Gherkin sold for £600m |accessdate=4 February 2010 |first= Fiona| last=Walsh |publisher=Guardian |date=6 February 2007 |archiveurl=http://www.webcitation.org/5nITnSCav |archivedate=4 February 2010 | location=London}}{{cite news|url=http://www.guardian.co.uk/money/2007/feb/06/architecture.business|title=Gherkin's £600m sale sets London property record|last=Inman|first=Phillip|publisher=Guardian|accessdate=4 February 2010|archiveurl=http://www.webcitation.org/5nIU2Bsfh |archivedate=4 February 2010 | date=6 February 2007}}</ref> Swiss Re booked a gain of more than £300 million from the sale, even with inflation and operating costs included{{clarify|date=August 2013}}.<ref>http://www.skyscrapernews.com/news.php?ref=720</ref>
In September 2006, the building was put up for sale with a price tag of £600 million.<ref>{{cite news|date=16 September 2006| url=http://business.timesonline.co.uk/tol/business/industry_sectors/construction_and_property/article640868.ece|archivedate=4 February 2010| archiveurl=http://www.webcitation.org/5nIUFaCxr|title=Prize Gherkin put up for sale|last=Davey|first=Jenny|publisher=Times Online|accessdate=4 February 2010 | location=London}}</ref> Potential buyers included [[British Land]], [[Land Securities]], [[Prudential plc|Prudential]], [[ING Group|ING]] and the [[Abu Dhabi]] royal family. On 21 February 2007, [[IVG Immobilien]] AG and UK investment firm [[Evans Randall]] completed their joint purchase of the building for [[Pound sterling|£]]630 million, making it Britain's most expensive office building.<ref>{{cite news| url=http://www.guardian.co.uk/business/2007/feb/05/7 |title=Gherkin sold for £600m |accessdate=4 February 2010 |first= Fiona| last=Walsh |publisher=Guardian |date=6 February 2007 |archiveurl=http://www.webcitation.org/5nITnSCav |archivedate=4 February 2010 | location=London}}{{cite news|url=http://www.guardian.co.uk/money/2007/feb/06/architecture.business|title=Gherkin's £600m sale sets London property record|last=Inman|first=Phillip|publisher=Guardian|accessdate=4 February 2010|archiveurl=http://www.webcitation.org/5nIU2Bsfh |archivedate=4 February 2010 | date=6 February 2007}}</ref> Swiss Re booked a gain of more than £300 million from the sale, even with inflation and operating costs included{{clarify|date=August 2013}}.<ref>http://www.skyscrapernews.com/news.php?ref=720</ref>

Deloite announced on the 24th April 2014 that the building was again being put up for sale, with an expected price of £550m. The current owners could not afford to make loan repayments due to differences in the value of the multi-currency loan and the British Pound, high interest rates and general financing structure. <ref>http://www.deloitte.com/view/en_GB/uk/news/news-releases/be34d2947d395410VgnVCM3000003456f70aRCRD.htm</ref>


== Gallery ==
== Gallery ==

Revision as of 20:01, 24 April 2014

"The Gherkin" redirects here. For the pickled fruit, see Gherkin.

30 St Mary Axe
30 St Mary Axe, with St Andrew Undershaft church in the foreground, pictured from Leadenhall Street
Map
General information
TypeOffice
LocationLondon, United Kingdom
Coordinates51°30′52″N 00°04′49″W / 51.51444°N 0.08028°W / 51.51444; -0.08028
Construction started2001
Completed2003[1]
Opening28 April 2004; 20 years ago (2004-04-28)[2][3]
Cost£138,000,000.00 (land cost £90,600,000.00)[5]
adjusted by inflation:£288278771 (land cost £201367872)[5]
Height
Roof180 metres (591 ft)
Technical details
Floor count41
Floor area47,950 square metres (516,100 sq ft)
Design and construction
Architect(s)Foster and Partners
Structural engineerArup
Main contractorSkanska
References
[4]

30 St Mary Axe (widely known informally as "the Gherkin" and previously the Swiss Re Building) is a skyscraper in London's main financial district, the City of London, completed in December 2003 and opened in April 2004.[2] With 41 floors, the tower is 180 metres (591 ft) tall[1] and stands on a street called St. Mary Axe, on the former site of the Baltic Exchange, which was extensively damaged in 1992 by the explosion of a bomb placed by the Provisional IRA.[2][6]

After the plans to build the Millennium Tower were dropped, 30 St Mary Axe was designed by Norman Foster and Arup engineers,[7] and was erected by Skanska in 2001–2003.[1]

The building has become an iconic symbol of London and is one of the city's most widely recognised examples of contemporary architecture.[8]

History

The building stands on the former site of the Baltic Exchange, the headquarters of a global marketplace for ship sales and shipping information. On 10 April 1992 the Provisional IRA detonated a bomb close to the Exchange, causing extensive damage to the historic building and neighbouring structures.[2][6]

The United Kingdom government's statutory adviser on the historic environment, English Heritage, and the City of London governing body, the City of London Corporation, were keen that any redevelopment must restore the building's old façade onto St. Mary Axe. The Exchange Hall was a celebrated fixture of the ship trading company.[9][10]

After English Heritage later discovered the damage was far more severe than previously thought, they stopped insisting on full restoration, albeit over the objections of the architectural conservationists who favoured reconstruction.[11] Baltic Exchange sold the land to Trafalgar House in 1995.[12] Most of the remaining structures on the site were then carefully dismantled, the interior of Exchange Hall and the façade were preserved, hoping for a reconstruction of the building in the future.[12] The architectural salvage, its eventual sale for £800,000 and move to Tallinn awaiting reconstruction as the centrepiece of the city's commercial sector, can be seen in the Baltic Exchange listing.

In 1996, Trafalgar House submitted plans for the Millennium Tower, a 386-metre (1,266 ft) building with more than 140,000 m2 (1,500,000 sq ft) office space, apartments, shops, restaurants and gardens. This plan was dropped after objections for being totally out-of-scale with the City of London and anticipated disruption to flight paths for both City and Heathrow airports; the revised plan for a lower tower was accepted.

The tower's topmost panoramic dome, known as the "lens", recalls the iconic glass dome that covered part of the ground floor of the Baltic Exchange.[2]

The gherkin name was applied to the current building at least as far back as 1999, referring to that plan's highly unorthodox layout and appearance.[13]

Planning process

On 23 August 2000, Deputy Prime Minister John Prescott granted planning permission to construct a building much larger than the old Exchange on the site.[9] The site was special because it needed development, was not on any of the "sight lines" (planning guidance requires that new buildings do not obstruct or detract from the view of St Paul's dome when viewed from a number of locations around London), and it had housed the Baltic Exchange.

The plan for the site was to reconstruct the Baltic Exchange. GMW Architects proposed a new rectangular building surrounding a restored exchange—the square shape would have the type of large floor plan that banks liked. Eventually, the planners realised that the exchange was not recoverable, forcing them to relax their building constraints; they hinted that an "architecturally significant" building might obtain a favourable reception from city authorities. This gave the architect a free hand in the design; it eliminated the restrictive demands for a large, capital-efficient, money-making building that favoured the client[clarification needed].[14]

Swiss Re's low level plan met the planning authority's desire to maintain London's traditional streetscape with its relatively narrow streets. The mass of the Swiss Re tower was not too imposing. Like Barclays Bank's former City headquarters, the idea was that the passer-by in neighbouring streets would be nearly oblivious to the tower's existence until directly underneath it.

Design and construction

The building was constructed by Skanska, completed in December 2003 and opened on 28 April 2004.[2] The primary occupant of the building is Swiss Re, a global reinsurance company, which had the building commissioned as the head office for its UK operation. The tower is sometimes known as "Swiss Re Tower", although this name is not official.[15]

30 St Mary Axe under construction

The building uses energy-saving methods which allow it to use half the power that a similar tower would typically consume.[15] Gaps in each floor create six shafts that serve as a natural ventilation system for the entire building even though required firebreaks on every sixth floor interrupt the "chimney." The shafts create a giant double glazing effect; air is sandwiched between two layers of glazing and insulates the office space inside.[2]

Architects promote double glazing in residential houses to avoid the inefficient convection of heat, but the tower exploits this effect. The shafts pull warm air out of the building during the summer and warm the building in the winter using passive solar heating. The shafts also allow sunlight to pass through the building, making the work environment more pleasing, and keeping the lighting costs down.

The primary methods for controlling wind-excited sways are to increase the stiffness, or increase damping with tuned/active mass dampers. To a design by Arup, its fully triangulated perimeter structure makes the building sufficiently stiff without any extra reinforcements. Despite its overall curved glass shape, there is only one piece of curved glass on the building—the lens-shaped cap at the very top.[2]

On the building's top level (the 40th floor), there is a bar for tenants and their guests featuring a 360° view of London. A restaurant operates on the 39th floor, and private dining rooms on the 38th.[15] Whereas most buildings have extensive lift equipment on the roof of the building, this was not possible for the Gherkin, since a bar had been planned for the 40th floor. The architects dealt with this by having the main lift only reach the 34th floor, and then having a push-from-below lift to the 39th floor. There is a marble stairwell and a disabled persons' lift which leads the visitor up to the bar in the dome.

The building is visible over long distances: from the north, for instance, it can be seen from the M11 motorway, some 32 kilometres (20 mi) away,[15][16] while to the west it can be seen from the statue of George III in Windsor Great Park.

After completion

On 25 April 2005, the press reported that a glass panel two-thirds up the tower had fallen to the plaza beneath on 18 April. The plaza was sealed off, but the building remained open. A temporary covered walkway, extending across the plaza to the building's reception, was erected to protect visitors. Engineers examined the other 744 glass panels on the building.[17] The cost of repair was covered by main contractor Skanska and curtain wall supplier Schmidlin (now called Schmidlin-TSK AG).[15]

Since its completion, the building has won a number of prestigious awards for architecture. In October 2004, the architect was awarded the 2004 RIBA Stirling Prize. For the first time in the prize's history, the judges reached a unanimous decision.[18] In December 2005, a survey of the world's largest firms of architects published in 2006 BD World Architecture 200 voted the tower as the most admired new building in the world.[19] However, Ken Shuttleworth, who worked for Foster and Partners on the design of the building, said in 2011 that he believed the style was now out-moded: "I was looking at the glass all around and [thought], 'Why on earth did we do that?' Now we would do things differently".[20] The building featured in recent films such as Harry Potter and the Half Blood Prince, Sharon Stone's Basic Instinct 2 and Woody Allen's Match Point[21] and, rechristened the Spirit of London, became the spaceship centrepiece of Keith Mansfield's 2008 novel Johnny Mackintosh and the Spirit of London.[22]

Since February 2010,[23] Sky News has broadcast its flagship business programme, Jeff Randall Live, from a studio in the building. In addition the top two floors of tower are now available on a private hire basis for events.[24]

In September 2006, the building was put up for sale with a price tag of £600 million.[25] Potential buyers included British Land, Land Securities, Prudential, ING and the Abu Dhabi royal family. On 21 February 2007, IVG Immobilien AG and UK investment firm Evans Randall completed their joint purchase of the building for £630 million, making it Britain's most expensive office building.[26] Swiss Re booked a gain of more than £300 million from the sale, even with inflation and operating costs included[clarification needed].[27]

Deloite announced on the 24th April 2014 that the building was again being put up for sale, with an expected price of £550m. The current owners could not afford to make loan repayments due to differences in the value of the multi-currency loan and the British Pound, high interest rates and general financing structure. [28]

See also

References

  1. ^ a b c "30 St Mary Axe, London". Skanska. Archived from the original on 4 February 2010. Retrieved 4 February 2010.
  2. ^ a b c d e f g h "30 St Mary Axe". Emporis. Retrieved 4 February 2010.
  3. ^ Worsley, Giles (28 April 2004). "Glory of the Gherkin". The Daily Telegraph. London.
  4. ^ 30 St Mary Axe at Emporis
  5. ^ a b http://www.skyscrapernews.com/buildings.php?id=58
  6. ^ a b "1993: IRA bomb devastates City of London". BBC News. 24 April 1993. Archived from the original on 2 February 2010. Retrieved 2 February 2010.
  7. ^ "30 St Mary Axe (The Gherkin)". Arup. Archived from the original on 18 February 2010. Retrieved 4 February 2010. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  8. ^ http://modernarchitecturelondon.com/pages/30stmaryaxe.php
  9. ^ a b "'Erotic gherkin' for London skyline". BBC News. 23 August 2000. Archived from the original on 7 February 2010. Retrieved 7 February 2010.
  10. ^ Lane, Megan (5 July 2007). "Extreme restoration". BBC News. Archived from the original on 7 February 2010. Retrieved 6 February 2010.
  11. ^ Murray-West, Rosie (30 September 2000). "Baltic backs legal fight over 'gherkin'". London: Telegraph. Retrieved 6 February 2010.
  12. ^ a b "History – 1949-Today". Baltic Exchange. Archived from the original on 4 February 2010. Retrieved 4 February 2010.
  13. ^ "No gherkins please, we're British". London: The Guardian. 6 August 1999. Retrieved 28 November 2009.
  14. ^ "Issues – The newsletter of GMW Architects" (PDF). GMW Architects. p. 3. Retrieved 6 February 2010. [dead link‍]
  15. ^ a b c d e Spring, Martin (2008). "30 St Mary Axe: A gherkin to suit all tastes". Building.co.uk. Retrieved 7 February 2010.
  16. ^ Hossenally, Rooksana. "The Gherkin, London, UK". EasyVoyage.co.uk. Retrieved 6 February 2010.
  17. ^ Bar-hillel, Mira; Harris, Ed (2005). "Safety fear over Gherkin". London Evening Standard. Retrieved 4 February 2010.
  18. ^ BBC News (16 October 2004). "Building prize for 'icon Gherkin'".
  19. ^ "How The 4 Landmarks of London are Cleaned". medium.com.
  20. ^ Daily Telegraph, 26 June 2011
  21. ^ Sandhu, Sukhdev (21 June 2006). "Sex on the skyline". London: Telegraph. Retrieved 6 February 2010.
  22. ^ "Keith Mansfield 2009 on Johnny Mackintosh and the spirit of London". BFKbooks. 2009. Retrieved 19 February 2010.
  23. ^ Phipps, Nick (23 February 2010). "Sky's City Studio: 'Don't Mention The G-Word'". London: Sky News. Retrieved 29 November 2010.
  24. ^ "United Kingdom: The Gherkin : Events Hire". hirespace.com. Retrieved 17 January 2014.
  25. ^ Davey, Jenny (16 September 2006). "Prize Gherkin put up for sale". London: Times Online. Archived from the original on 4 February 2010. Retrieved 4 February 2010.
  26. ^ Walsh, Fiona (6 February 2007). "Gherkin sold for £600m". London: Guardian. Archived from the original on 4 February 2010. Retrieved 4 February 2010.Inman, Phillip (6 February 2007). "Gherkin's £600m sale sets London property record". Guardian. Archived from the original on 4 February 2010. Retrieved 4 February 2010.
  27. ^ http://www.skyscrapernews.com/news.php?ref=720
  28. ^ http://www.deloitte.com/view/en_GB/uk/news/news-releases/be34d2947d395410VgnVCM3000003456f70aRCRD.htm
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