Koko and House of Koko’s warren of rooms, vinyl booths, corridors, terraces and balconies — with 300 pieces of art on display — make it one of London’s most intriguing buildings. It hosts more than 1,000 DJ events and 300 live shows a year and the parties rock on deep into the early hours. “We can only do that because we have succeeded as a business,” says Bengough, 51.