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Your Location: World Europe United Kingdom England London The Pinnacle

The Pinnacle

Identification

The Pinnacle
The Bishopsgate Tower, DIFA Tower
237829

Map

Structure in General

skyscraper
under construction [on hold]
steel
pile foundation
glass
curtain wall
light gray
purple
active heating (unspecified)
raised floor
yes

Usage

commercial office
shop(s) restaurant bar café

Facts

  • The building incorporates biomass heating and ground water heat exchangers.
  • The bottom three storeys of the tower are publicly accessible; there is also a sky lobby and restaurant on the 43rd floor which are London's highest public vantage point.
  • The design of the top resembles a helter-skelter, hence the tower's nickname.
  • The scheme was initially proposed to be 307.25m tall with 64 storeys and a total floor area of 140,147sq m. Following objections from the Civil Aviation Authority, the height was reduced in December 2005 by 19.35m/4 storeys.
  • An earlier proposal for a 216m tall, 50-storey tower designed by Murphy/Jahn Associates on the site of 6-8 Bishopsgate and 22-24 Bishopsgate was abandoned following opposition from English Heritage over the impact on the view of St. Paul's Cathedral looking east along Fleet Street.
  • Level 57 is double height.
  • The building has 52 office floors with financial trading floors sited on levels 3 to 9.
  • The design maximises the use of natural light reducing dependence on electric lighting.
  • The façade is ventilated to counter solar gain and facilitate the use of natural ventilation.
  • The top of the tower should sway by only about 5 centimetres (2 inches).
  • The base of the tower exhibits a curvaceous canopy which billows out in the manner of the bottom of a pair of flared trousers.
  • The ventilated façade system consists of overlapping flat panels which resemble snakeskin, obviating the need for curved panels; indeed the exterior is expressed without a single piece of curved glass.
  • The building's height AOD is 305 metres.
  • The height was determined by the flight path leading to London's City Airport.
  • The building has 60 main 2.4 metre (7.8 feet) piles descending to a depth of 60 metres (197 feet), each of which required concrete to be poured continuously for 13 hours.
  • All of the office floor plates can be split to house two tenants on one floor and all floors can be configured for cellular or open-plan occupation.
  • The tower has 90,000 photovoltaic cells which are integrated into around 2,000 sq m of the façade and generate 200 kilowatts of electricity.
  • Features a high performance triple glazed façade and combines both natural and mechanical ventilation to reduce carbon emissions and energy consumption.
  • A planning application was submitted on 1 December 2006 to make a series of revisions to the scheme in order to increase the overall floor area. The changes retain the same building envelope, but include 3 additional floors, a revised Sliver building, changes to the cladding and a larger basement.

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More Information

Location

22-38 Bishopsgate
22-24 Bishopsgate, 38 Bishopsgate and 4 Crosby Square
EC2
United Kingdom

Technical Data

944.55 ft
944.55 ft
944.55 ft
64
3
2008
13.12 ft
6

Involved Companies

Architect:

Also recorded for this building:

architectural model making, client, consultant, developer, elevator engineering, facade designer, facade maintenance system supplier, facade supplier, fire protection engineering, general contractor, landscape architect, MEP engineering, planning consultant, project management, real estate agent, sealants & adhesives supplier, steel supplier, structural engineering, wind surveyor

Features & Amenities

  • Handicapped accessible
  • Raised floors are available
  • Skylobby is present
  • Solar panels are installed
  • Variable walls can be built