Molenaar & Co, Hebly Theunissen, and Michael van Gessel led a pristine renovation of the Spangen social-housing complex, which pioneered public deck access. The revolutionary Spangen social-housing complex (1919-1921) in Rotterdam, by Michiel Brinkman, has recently been immaculately restored. The project pioneered “street in the sky” deck access, an idea that famously inspired Alison and Peter Smithson’s design of the 1950s Golden Lane housing project in London. The Spangen estate, or Justus van Effen complex, is a rectangular four-story brick urban block, centered around two large courts. Concrete balconies give access to the duplex apartments on the top floors. In