Meanwhile its location areas were 74.82 m2 and the building volume was 933.92 m3. According to assumption 1, the total residential supply in 2020 will exceed the figure for 2009 by 14,965 m2. The number of new residential buildings required up to 2020 is obtained using 4,965/297.89 ¼ 50 assuming all new buildings are built in the form of the chosen standard one “ID_351600539503”.