London Memorial and Royal Albert Hall in Kensington. Nelson's Column is a nationally recognised monument in Trafalgar Square, one of the focal points of central London. Older buildings are mainly brick built, most commonly the yellow London stock brick or a warm orange-red variety, often decorated with carvings and white plaster mouldings. In the dense areas, most of the concentration is via medium- and high-rise buildings. London's skyscrapers, such as 30 St Mary Axe, Tower 42, the Broadgate Tower and One Canada Square, are mostly in the two financial districts, the City of London and Canary Wharf. High-rise development is restricted
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