| St Helen's | |
|---|---|
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 | |
| Former names | Aviva Tower, Commercial Union building |
| General information | |
| Type | Commercial |
| Location | London, EC3 United Kingdom |
| Coordinates | 51°30′52.2″N 00°04′54.8″W / 51.514500°N 0.081889°W |
| Construction started | 1968 |
| Completed | 1969 |
| Height | |
| Roof | 118 metres (387 ft) |
| Technical details | |
| Floor count | 28 |
| Floor area | 56,097 m2 (603,820 sq ft) |
| Design and construction | |
| Architect(s) | Gollins Melvin Ward Partnership |
| Developer | Commercial General Union |
| Main contractor | Taylor Woodrow Construction |
| References | |
| [1] | |
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.
The building was designed by the Gollins Melvin Ward Partnership in the international style: the stark rectilinear geometry and detailing of the building was influenced by Ludwig Mies van der Rohe and is somewhat reminiscent of his Seagram Building in New York City. It was built by Taylor Woodrow Construction as one of only four high-rise buildings in London using a top-down engineering design where the lower office floors are suspended from above rather than supported from below.[2]
In 1992, the building was heavily damaged in the Baltic Exchange bombing carried out by the Provisional IRA, as a result of which it was substantially renovated.
The building was sold in 2003 by the Abu Dhabi Investment Authority to property developer Simon Halabi.[3] In 2007, it was reported that Halabi was considering plans to demolish the building and replace it with a much taller tower,[4] but this plan was not fulfilled. In 2011, it was reported that the building had been sold to an undisclosed Far Eastern private investor for £288 million.[5] Plans for the site submitted in February 2016 feature a 310 m (1,020 ft) tall, 72-floor tower largely given to office space.[6] In November 2016, planning permission was granted for the Trellis Tower, which will house up to 10,000 workers and which, upon completion, will be the tallest building in the City of London and the second tallest building in the UK, after The Shard.[7]
- ^ "St Helens". Emporis. Archived from the original on 13 July 2015.
{{cite web}}: CS1 maint: unfit URL (link) - ^ "St. Helen's, London | 110664". Emporis. Archived from the original on 16 June 2004. Retrieved 27 July 2015.
{{cite web}}: CS1 maint: unfit URL (link) - ^ "Halabi completes £260m Aviva Tower purchase | News - print". Property Week. 21 November 2003. Retrieved 27 July 2015.
- ^ Thomas, Dan (11 May 2007). "Halabi mulls revamp of City's Aviva Tower | News - print". Property Week. Retrieved 27 July 2015.
- ^ "Aviva's London HQ sold for £288m". Telegraph. Retrieved 27 July 2015.
- ^ "London skyline: Plans submitted for 1 Undershaft, the skyscraper dubbed The Shard II". International Business Times. 8 February 2016. Retrieved 25 April 2016.
- ^ "London's 73-storey Trellis skyscraper gets green light". 28 November 2016.