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1 Undershaft is a skyscraper planned for the City of London financial district. The scheme is being developed by Aroland Holdings [ 4 ] and designed by Eric Parry Architects . It is set to replace the St Helen's tower, and if built will be the second-tallest building in London and the United Kingdom at 294 metres.
1 Undershaft, at 290 metres (950 ft), also approved by Sadiq Khan in 2016, [2] is planned to form the centrepiece of the City of London's skyscraper cluster. It is the tallest skyscraper currently proposed for London and will only be exceeded in height by The Shard. [ 63 ]
A hyperboloid of one sheet is a doubly ruled surface: it can be generated by either of two families of straight lines. Four images of hyperboloid towers. The Shukhov Tower in Polibino , the world's first hyperboloid structure , a water tower by Vladimir Shukhov at the All-Russian Exposition in Nizhny Novgorod , Russia
St Helen's (previously known as the Aviva Tower or the Commercial Union building) is a commercial skyscraper in London, United Kingdom. It is 118 metres (387 ft) tall and has 23 floors. The postal address is No. 1, Undershaft, though the main entrance fronts onto Leadenhall Street, in the City of London financial district.
A skyscraper is a tall continuously habitable building having multiple floors. Modern sources define skyscrapers as being at least 100 metres (330 ft) [1] or 150 metres (490 ft) [2] in height, though there is no universally accepted definition, other than being very tall high-rise buildings. Skyscrapers may host offices, hotels, residential ...
The classic concept of a skyscraper is a large steel box with many small boxes inside it. By eliminating the inefficient part of a shear wall, the central portion, and consolidating support members in a much stronger material, steel, a skyscraper could be built with both horizontal and vertical supports throughout. This method, though simple ...
The 131-story skyscraper will feature apartments, an all-suite “seven-star” luxury hotel and a seven-floor “vertical” shopping mall. Dubai’s Burj Azizi tower to become world’s second ...
This is a list of buildings and other structures that have been envisioned. The X-Seed 4000 is one of the tallest structures ever conceived. Shown in this image is the Burj Khalifa (828 m (2,717 ft)), tallest structure in the world at the time of completion in 2010 to this year (2025), and the X-Seed 4000 project (4,000 m (13,000 ft)).