Stefano Boeri Architetti Wins Competition for Timber Affordable Housing in Ibiza Stefano Boeri Architetti has won the competition launched by Spain 's Entidad Estatal de Vivienda, Casa 47, for a new affordable housing development in Ibiza . Named "Sa Casa," the project proposes approximately 190 below-market-rate rental apartments distributed across four residential volumes. The scheme combines a p… — ArchDaily