One Canada Square pinnacle is above sea level. One Canada Square is primarily used for offices, though there are some retail units on the lower ground floor. There is no observation floor. It is a prestigious location for offices and as of October 2017 was 100% let. The building is recognised as a London landmark, and it has gained much attention through film, television, and other media as one of the tallest buildings in the United Kingdom. The original plans for a business district on Canary Wharf came from G Ware Travelstead. He proposed three 260 m (850 ft) towers. Travelstead was unable
London Guarantee Building Beaux Arts tower. From the 1960s through the 1980s, the studios of Chicago's WLS (AM) radio were located on the fifth floor of the building. For several decades, Paul Harvey performed his daily syndicated radio show from studios on the fourth floor. The building was also famous from the 1950s through the early 1970s for The London House, a famous Chicago jazz nightclub and steakhouse that was located on the west side of the building's first floor; it had its own entrance on Wacker Drive. It was one of the foremost jazz clubs in the country, once home to such