London Millennium Tower London Millennium Tower The London Millennium Tower was one of several ideas for the site of the former Baltic Exchange at 30 St Mary Axe, City of London that had been destroyed beyond repair by a Provisional IRA bomb blast. Designed by Foster & Partners, for then owner Trafalgar House, the plan was for the building to be the tallest in Europe and the sixth tallest in the world at that time, behind the twin Petronas Towers in Malaysia, the Sears Tower (now called the Willis Tower) in Chicago, and the twin towers of the World Trade Center in New
St. Helen's (skyscraper) Axe, in the City of London, which it desired to develop as its new headquarters. The site comprised adjacent properties in St Mary Axe and the former Shell building in Great St Helens. At the same time the Peninsular and Oriental Steam Navigation Company was planning to redevelop its city offices in Leadenhall Street. Due to a number of issues affecting both sites, notably poor access to the Commercial Union site and the restricted width of the Peninsular and Oriental site, it was not possible to obtain planning consents that would optimise the amount of floor space desired by either