The development site, known as the Leadenhall Triangle, was purchased by Henderson Global Investors in June 2011 for around £190 million.

[5] The listed building at 19–21 Billiter Street was retained whilst all other existing properties on the site were demolished.

[7][8] Following Brexit, the developer announced that construction would only go ahead when a sufficient amount of office space had been pre-let.

[9] In October 2019, it was announced that M&G and Prudential had bought the site and would fund its construction for £875 m, with a final development value of £1.4 bn.

[11] The building varies in height by being laid in a series of vertical slices ranging from 7 to 34 storeys at the Leadenhall Street end.