The subject of this bachelor thesis is design of building without cellar for a fami-ly of four, which can be simply split into two housing units. In other words -- two generations dwelling. There are designed three layout of family house. The apartment, which will be used by the older generation, is designed so that it could easily adjust to the bar-rier-free housing and meet the essential requirements and the needs of persons with re-duced mobility. The flat of the younger generation has been designed to serve to a sin-gle person or to a childfree couple. However, one of the three suggested models is assigned for tree family members. Among the proposed alternatives are two bungalows with a hipped roof and one two-storey building with a fla...