A private estate as an important unit of the urban-planning structure of the late nineteenth century – the early twentieth century and the significance of historical and architectural site plans in the preservation of the historical urban environment

The article deals with the issue of urban development at the Secession period, it reveals the role of a private estate as an urban-planning unit of the late 19th century – beginning of the 20th century, analyses the specific features of private estates in different cities of Ukraine. The role of the historical and architectural site plans in modern conditions for the preservation of the historical environment of the cities was determined.