City of London’s third tallest skyscraper, The Diamond, revealed

Tower will be able to accommodate more than 6,000 workers with free public viewing gallery

London’s Walkie Talkie building sold for record-breaking £1.3bn

Sum paid for City skyscraper by Hong Kong food conglomerate Lee Kum Kee is highest ever for a single UK building

Paris can teach London how to swap skyscrapers for homes

Ignore the Triangle Tower – the French capital is tackling a housing shortage by building affordable homes, converting office space and introducing rent controls