FT.com – I have started to spend my mornings, afternoons and evenings cursing Ken Livingstone, London’s mayor, and Nick and Christian Candy, perhaps the city’s best-known residential property developers. Anyone who has driven through Knightsbridge recently will empathise. The area, which is not only an upscale shopping hub but also a pivotal axis for traffic moving from east to west, has ground practically to a standstill of late thanks to the construction of One Hyde Park, the Candy brothers’ latest luxury building.