In April 2009 architect Kjellgren Kaminsky together with Höllviksnäs Förvaltnings AB won a contest for a passive house building permit by municipality of Malmö, Sweden. The construction took place at the last available allotment of the Bo01 housing exhibition area, in the west harbor, with a view of the Turning Torso skyscraper by the Spanish architect Santiago Calatrava. The houses are designed with sustainability in mind and equipped with solar panels, exterior venetian blinds, lawns, green walls and roofs made of eco-friendly materials. A variety of different facing materials were utilized to give each house a unique character. Aluzink was used for the roofing. Interior boasts recycled materials, which kept the construction costs low and created a pleasant patina right from the birth of this object.