The Kopaszi Gát project is Budapest’s largest residential and office building development in the late 2010’s. We won the first two residential buildings’ (BRA and BRC buildings – 260 apartments in total) design in 2016 on a competition. The installation plan of the site was prepared according to a unique and of a high standard concept, which was made by Adept, a Danish architectural firm. This plan proposed diverse floor-height and logical installation, which greatly inspired our designs. Residential functions were placed on general floors while retail functions, parking spaces, mechanical and service functions were placed on the ground floor and basement. The shaping of the mass inside the contour of the installation plan was established according to the best solar access factors and the best airspace rates. 2-4 room apartments were planned on general floors, while penthouses were designed on the top floors. The buildings are currently under construction, estimated building delivery is late 2019. The inner court is on an increased level in the BRA building and is surrounded by the building mass frame. This frame was cut in three, disengaging the mass that lead to maximum visibility in all directions and evaluated the apartments positioned towards the inner court. The installation became separated into four building towers with different floor-heights between F+5 and F+8. The shaping of the BRC building – seated by the bay was specified by the best solar access factors and the views and visibility surveys which included the BRA building. The building mass stands of two, F+6 and F+14 floor towers and the F+3 floor intersection of the two. The BRC building is somewhat shaped in a higher demand as opposed to the BRA building. All of the towers have individual entrances and vertical corridors that have 2 separate elevators. The slight separation of the towers was an important principle when shaping the elevations of the building: with the distinction of the materials and colours, making all of them unique. The applied surfaces, materials and technical details were revised by the client and the constructor in many aspects during the construction process, as opposed to the construction plans.