| Tower 42 | |
|---|---|
 View of the tower fromHorizon 22 in 2023 | |
 Interactive map of Tower 42 | |
| Former names | National Westminster Tower International Financial Centre |
| Alternative names | NatWest Tower |
| Record height | |
| Tallest in theUnited Kingdom from 1977 to 1990[I] | |
| Preceded by | BT Tower |
| Surpassed by | One Canada Square |
| General information | |
| Type | Commercial |
| Location | 25Old Broad Street,London EC2N 1HQ |
| Coordinates | 51°30′55″N0°05′02″W / 51.51528°N 0.08389°W /51.51528; -0.08389 |
| Construction started | 1971 |
| Completed | 1980 |
| Height | |
| Roof | 183 metres (600 ft) |
| Technical details | |
| Floor count | 47 |
| Floor area | 30,100 m2 (324,000 sq ft)[1] |
| Lifts/elevators | 21 |
| Design and construction | |
| Architect | R Seifert & Partners |
| Structural engineer | Pell Frischmann |
| Main contractor | John Mowlem & Co |
| Website | |
| http://www.tower42.com/ | |
Tower 42, commonly known as theNatWest Tower, is a 183-metre-tall (600 ft)skyscraper in theCity of London. Designed byRichard Seifert and engineered byPell Frischmann, it opened in 1980 as London's first skyscraper and thetallest building in the United Kingdom at the time.
A prominent landmark that dominated the London skyline through the 1980s, 1990s and 2000s, it is now the sixth-tallest skyscraper in the City of London and the 20th-tallest in London overall. Its original name was theNational Westminster Tower, having been built asNatWest's international headquarters. Seen from above, the shape of the tower resembles that of the NatWest logo (threechevrons in a hexagonal arrangement).[2] The tower was first occupied in 1980 and formally opened on 11 June 1981 byQueen Elizabeth II.[3]
Located at 25Old Broad Street in the ward ofCornhill, it was constructed byJohn Mowlem & Co from 1971 and completed in 1980. It was London's first skyscraper, at 183 metres (600 ft) high.[4] It was superseded as thetallest building in London and the United Kingdom byOne Canada Square atCanary Wharf in 1990. It remained the tallest in the City of London, until it was overtaken by the 230-metre (750 ft)Heron Tower in 2010.
The tower was severely damaged in the1993 Bishopsgate bombing, after which NatWest undertook a full refurbishment and recladding of the building. In 1997, following restoration works, NatWest decided not to reoccupy and renamed it theInternational Financial Centre, leasing floors to new tenants. NatWest sold the tower in 1998, and it was subsequently renamed Tower 42, in reference to its 42cantilevered floors.
Today, the building is a multi-tenanted office space offering Grade A facilities, as well as restaurants on the 24th and 42nd floors.[5] In 2011, it was acquired by South African businessmanNathan Kirsh.
The National Westminster Tower's status as the first skyscraper in the city was a coup forNatWest, and it was extremely controversial at the time, as it was a major departure from the previous restrictions on tall buildings in London. The original concept dates back to the early 1960s, predating the formation of the National Westminster Bank. The site was then the headquarters of theNational Provincial Bank, with offices in Old Broad Street backing onto its flagship branch at 15Bishopsgate.[citation needed]
Early designs envisaged a tower of 137 metres (449 ft); this developed into a design with a 197-metre (646 ft) tower as its centrepiece, proposed in 1964 by architectRichard Seifert. The plan attracted opposition, partly because of the unprecedented height of the design and partly because of the proposed demolition of the 19th-century bank building at 15 Bishopsgate, which dated from 1865 and was designed by architectJohn Gibson. Seifert, who had developed a reputation for overcoming planning objections, organised an exhibition in which he presented two alternative visions: his preferred design, and a second design featuring a 500-foot (150 m) tower with an "absurdly squat" second tower alongside. Visitors were invited to vote and overwhelmingly chose the single tower design.[8] The final design preserved theGibson banking hall and the tower's height was reduced to 183 metres (600 ft).
Demolition of the site commenced in 1970, with the tower being completed in 1980. The building was constructed byJohn Mowlem & Co[9] around a huge concrete core from which the floors arecantilevered, giving it great strength but significantly limiting the amount of office space available.
In total, there are 47 levels above ground, 42 of which are cantilevered. The lowest cantilevered floor is designated Level 1, while in fact being the fourth level above ground. The cantilevered floors are designed as three segments, or leaves, which approximately correspond to the three chevrons of the NatWest logo when viewed in plan. The two lowest cantilevered levels (1 and 2) are formed of a single "leaf"; and the next two (3 and 4) are formed of two leaves. This pattern is repeated at the top, so that only levels 5 to 38 extend around the whole of the building.[citation needed]
The limitations of the design were immediately apparent, even though the building opened six years beforeBig Bang. There was less of a requirement for large trading floors, and the bank decided not to locate its foreign exchange and money market trading operation ("World Money Centre") in the tower; thus, the unit remained in its existing location at 53Threadneedle Street. Other international banking units, such asInternational Westminster Bank's London Branch and the Nostro Reconciliations Department remained at their locations (at 41 Threadneedle Street and Park House,Finsbury Square, respectively) due to lack of space in the tower.
Innovative features in the design included double-decked lifts, which provide an express service between the ground/mezzanine levels and thesky lobbies at levels 23 and 24. Double-decked lifts and sky lobbies were both new to the UK at the time. Other innovative features included an internal automated "mail train" used for mail deliveries and document distribution; an automated external window washing system; and computer-controlled air conditioning. The tower also had its own telephone exchange in one of the basement levels – this area was decorated with panoramic photographs of the London skyline, creating the illusion of being above ground.[10]
Fire suppression design features included pressurised stairwells, smoke venting and fire-retardant floor barriers. However, at the time of design, fire sprinkler systems were not mandatory in the UK and so were not installed.[10]
The cantilever is constructed to take advantage of theair rights granted to it and the neighbouring site whilst respecting the banking hall on that adjacent site, as only one building was allowed to be developed. For a time, it was the tallest cantilever in the world.
Following NatWest's refurbishment of the tower, the bank renamed it the International Finance Centre, in 1997.[11]The building was subsequently acquired by Hermes Real Estate andBlackRock's UK property fund in 1998 for£226 million.[12] In 2010 they put the property on the market at an expected price of£300 million. This would potentially have been the largest single commercial property sale in the City of London in 2010.[13] In July 2010 it was reported thatChinese Estates Group had entered exclusive discussions to buy Tower 42.[14] but this deal did not conclude and it was sold in 2011 to South African businessmanNathan Kirsh for £282.5 million.[15]
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Upon completion, the tower was occupied by a large part of NatWest's International Division. The upper floors were occupied by the division's executive management, marketing, and regional offices, moving from various locations in the City of London. The lower floors were occupied by NatWest's Overseas Branch, moving from its previous location at 52/53 Threadneedle Street.
The adjacent annexe building at 27 Old Broad Street was occupied by NatWest's Overseas Branch cashiers and foreign notes and coin dealing operation.
In 1993, NatWest had planned a major premises relocation that would have seen the International Banking Division move from the tower and be replaced with its Domestic Banking Division, enabling the bank to terminate its lease of theDrapers Gardens tower. These plans had to be abandoned after the tower was damaged in the April1993 Bishopsgate bombing, aProvisional Irish Republican Army truck bombing in theBishopsgate area of the City of London. The bomb killed one person and extensively damaged the tower and many other buildings in the vicinity, causing a total of over £1 billion worth of damage to the area.[16] The tower suffered severe damage and had to be entirely reclad and internally refurbished at a cost of £75 million.[17] (Demolition was considered, but would have been too difficult and expensive.)[18] The external re-clad was carried out by Alternative Access Logistics with the use of a multi-deck space frame system to access three floors at once with the ability to move up and down the whole building.[19]
On 17 January 1996, during the repairs and possibly from the welding being undertaken, a fire started at the top of the building.[20] Five hundred workmen were evacuated and smoke was seen coming out of the top of the building.[20] A helicopter using thermal imaging equipment pinpointed the source of the fire, which was on the 45th floor in a glass-fibre cooling tower.[20] After refurbishment, NatWest decided not to re-occupy and renamed the building theInternational Financial Centre, then sold it in 1998 to UK property company Greycoat, who renamed it Tower 42,[21] a reference to its 42 cantilevered floors. It is now a general-purpose office building.
In June 2012, a Capix LED multi-media lighting system was installed around levels 39 to 45. This replaced the previous high-energy floodlighting at the top of the building. The lighting system forms thousands of pixels mounted on a chain netting that is affixed to the surface of the building. Each pixel is formed of threeRGB LED units, allowing a variety of lighting designs and colours to be displayed. The system was designed by SVM Associates andZumtobel.[22][23]
The display featured theOlympic Rings during theLondon 2012 Olympic Games and theParalympic Agitos during theLondon 2012 Paralympic Games.[citation needed]
The National Westminster Tower was the tallest building in London and the United Kingdom for 10 years. At its completion in 1980, it claimed this title from the 177-metre (581 ft) 189-metre (620 ft) with antennaPost Office Tower, a transmission tower located inFitzrovia.
By 2022, Tower 42 was the sixth-tallest tower in theCity of London, and the 18th-tallest in London overall.[24]
An annual charity fundraising event called Vertical Rush takes place inside Tower 42. It is a vertical run of 932 steps to the top of the tower.[25][26] The 2024 event, raising money forShelter, took place on 28 February.[25]
Media related toTower 42 at Wikimedia Commons
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