Agnieszka Bieda* Principles of Calculating the Cadastral Value 1. Mass Appraisal Method

appraisal of real estate, the cadastral value of the real estate should be calculated based on a comparative approach, using the market statistical analysis method. Comparative approach is a process in which the market value of a given real estate is calculated based on the analysis of the similar real estate market and based on the comparison of the similar real estate with the appraised real estate. The application of this method requires the knowledge of transaction prices paid for real estate properties similar to the appraised real estate, and the knowledge attributes of these real estate properties. Similar real estates should be selected from a representative market, and the scope of scale of their attributes should in-clude the attributes of the appraised real estate. The criteria for the choice of attributes should be as objective as possible, and the selection of attributes should reflect the trends observed in the real estate market. Each appraised real estate should be identified from the formal, legal and tech-nical points of view. The purpose and the date of valuation should be determined, and the appraised real estate and the real estates in the base should be described in details according to the accepted attributes. Transaction prices of real estates selected for comparison should be calculated per area unit, and then corrected based on the date of valuation. If the correction is impossible, the time that lapsed from the date of sale to the date of valuation should be interpreted as an attribute. Calculating the real estate value using the comparative approach is always preceded by the analysis of market information, which consists in selecting from among many attributes those which have material influence on the price and de-termining their role in explaining the real estate value