The aim of this article is to define the features of the floor apartments built between 1946-1966 as a cultural property and make an assessment according to conservation priorities. The analyzed period is between the year 1946, which was the preparatory phase for allowing property ownership and the year 1966 when the property owners became official. To define the specific values of floor apartments, the post-1946 floor apartments process has been evaluated with Europe and Turkey's sociological, socio-cultural, economic and technological data's. The architecture and constructive properties of floor apartments have been briefly defined. The values of floor apartments are definedin case of current conservation values towards those data. Besides of specific values, the protection status of apartments was also determined as a decisive feature for becoming a cultural property. For this reason, relations betwee/authenticity with protection value restoration decisions has been explained. At the end of the article, an evaluation of the values, which allow the floor apartments to be determined as a cultural property and a conservation method based on a point system, which evaluates these qualities' uniqueness, will be carried out.