The main objective of this paper is to analyze the possibilities of using information on historical residences to study regional differences and the technical state and features of residences preserved in the Czech Republic and Poland. An analysis of data referring to countries of significant historical differences helps to identify differences of the state of residences and the results of the differences. The Author carries out an analysis of the structure and state of residences and of factors determining it in the past and in the period just after World War II.
