The authors (University of Warmia - Mazury in Olsztyn) have been specializing in real estate market research (REM) and its specificity for many years. The real estate market, although is informal, facilitates real estate transactions, and allows operators who are also participants of market game to read the signals of the transactions. Phenomens occurring on the property market are dynamic - are also subject of constant change and fluctuation. There are many difficulties in this market which not always are reasonable and ensued from rational circumstances. RN participants often take irrational decisions based on fragmentary information, data about the market and the objects to be traded. Original team, composed of R. Wisniewski, Renigier - Bi_ozor M., Radzewicz A deals with the analysis of changes in the real estate market and tries to predict the future, according to the theories inspired by science and nature studies.