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Prime Tower - Wikipedia
Coordinates: 47°23′10″N 8°31′02″E / 47.3860°N 8.5172°E / 47.3860; 8.5172
From Wikipedia, the free encyclopedia

Prime Tower
View in August 2011
Map
Interactive map of the Prime Tower area
General information
TypeOffice
LocationZurich, Switzerland
Coordinates47°23′10″N 8°31′02″E / 47.3860°N 8.5172°E / 47.3860; 8.5172
Construction started19 November 2008[1]
CompletedDecember 2011
Opening6 December 2011[2]
CostCHF 380 million[3] (USD 417 million)
OwnerSwiss Prime Site AG
Height
Roof126 m (413 ft)
Technical details
Floor count36[1]
Floor area39,500 m2 (425,000 sq ft)[1]
Design and construction
ArchitectGigon/Guyer
DeveloperSwiss Prime Site AG[5]
Main contractorLosinger (Bouygues)[4]
Website
www.primetower.ch/en/

The Prime Tower, also named "Maag-Tower" in an earlier stage of planning, is a skyscraper in Zürich, Switzerland, used mainly as office space. At a height of 126 metres (413 ft), it was the tallest building in Switzerland from 2011 until 2015, when the Roche Tower in Basel (standing at 178 m (584 ft)) was completed.[6]

The Prime tower started its construction in 2008 and was completed in 2011. It is a modern skyscraper that demonstrates the essential role of mathematics in architecture. Engineers used geometry, measurements, and calculations to ensure the building could safely withstand gravity, wind, and minor earthquakes. Its central core and supporting columns were carefully designed to carry the weight of the floors above evenly, providing stability throughout the structure.


The building is located near the Hardbrücke railway station in Zürich West of the Industriequartier. The tower replaced an industrial facility.

According to its developers, the tower's construction, which took 15 years to plan and execute, was a financial success, with its valuation based on lease rates exceeding the construction cost by CHF 110 million.[3]

A webcam on top of the building offers a 360° view of Zürich.[7]

History

In November 2008, construction of the Prime Tower began with a foundation stone ceremony. The tower was developed at a cost of CHF 355 million and is part of a complex that includes two adjacent buildings, Cubus and Diagonal.[8] It comprises 39,500 square metres of office space across 36 floors, including a restaurant on the 35th floor. The 126-metre tower was projected to become the tallest building in Switzerland when completed in 2011, though Roche Tower in Basel was expected to surpass it soon afterward.[8]

Residents

The tower and its two companion buildings, Cubus and Diagonal, are used primarily as office buildings. As of its opening in December 2011, the tower has a bar and restaurant (Clouds)[9] on its top floor, a conference center, a hotel on the ground floor, and offices including Deutsche Bank Schweiz, Homburger, Transammonia, Korn/Ferry International, Citibank Switzerland, Infosys, Repower, Ernst & Young, and Zürcher Kantonalbank.

  • Prime Tower on daylight.
    Prime Tower in daylight.
  • View from Clouds restaurant at the top of Prime Tower.
    View from Clouds restaurant at the top of Prime Tower.
  • Prime Tower Construction Site at night.
    Prime Tower construction site at night, showing Marti's wind barrier system.

See also

References

  1. ^ a b c "Foundation stone laid for Zurich's Prime Tower". Swissinfo. 19 November 2008. Retrieved 19 November 2008.
  2. ^ Wallace, Ellen (7 December 2011). "Zurich is now 126 metres tall". Geneva Lunch. Retrieved 7 December 2011.{{cite news}}: CS1 maint: deprecated archival service (link)
  3. ^ a b "Der grüne Turm öffnet die Türen". Neue Zürcher Zeitung. 7 December 2011. p. 19.
  4. ^ "Bouygues va construire des tours en Suisse et en Russie" (in French). Le Point. 6 March 2008. Retrieved 19 November 2008.
  5. ^ "Prime Tower Facts & Figures". Archived from the original on 29 February 2016. Retrieved 29 June 2014.
  6. ^ "Switzerland's tallest building officially opened". Swissinfo. 18 September 2015. Retrieved 4 July 2025.
  7. ^ "Webcam".
  8. ^ a b "Foundation stone laid for Zurich's Prime Tower". Swissinfo. 19 November 2008. Retrieved 4 July 2025.
  9. ^ "Clouds". Clouds. Retrieved 5 November 2025.
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