Tower 42

Tower 42, commonly known as the NatWest Tower, is a 183-metre-tall skyscraper in the City of London. It is the sixth-tallest tower in the City of London and the 19th-tallest in London overall. Its original name was the National Westminster Tower, having been built to house NatWest's international headquarters. Seen from above, the shape of the tower resembles that of the NatWest logo.The tower, designed by Richard Seifert and engineered by Pell Frischmann, is located at 25 Old Broad Street in the ward of Cornhill. It was built by John Mowlem & Co between 1971 and 1980, first occupied in 1980, and formally opened on 11 June 1981 by Queen Elizabeth II.At 183 metres high, it was the tallest building in the United Kingdom until superseded by One Canada Square at Canary Wharf in 1990. It was the tallest building built in London in the 1980s and remained the tallest in the City of London until overtaken by the 230-metre Heron Tower in 2010.