“We are very proud of the new Norra Tornen – two tall residential towers with the largest possible articulation of the individual units, shaped through a simple play between two basic elements of architecture, the bay window and the balcony,” said De Graaf. Shops will be located at ground-floor level. Both will feature a prefabricated concrete structure made of overlapping cubes, creating a staggered volume that frames projecting living rooms and sheltered balconies. Site plan – click for larger imageThe buildings will offer approximately 300 apartments, of which 195 have gone on the market with developer Oscar Properties. OMA Associates Alex de Jong and Michel van de Kar are also working on the design. Designed by OMA partner Reinier de Graaf, the residential skyscrapers are set to become the Swedish capital’s third and fourth tallest buildings. Dezeen Book of Interviews: Rem Koolhaas features in our new book, which is on sale nowAccording to OMA, this rough concrete exterior will “make reference to the colours of inner city Stockholm”. Related story: OMA reveals trio of “peanut-shaped” towers for Miami’s Coconut GroveLocated at Torsplan in the city’s Hagastaden district, the buildings were formerly known as Tors Torn but have now been renamed as Norra Tornen, which translates as North Towers.