The purpose of the master’s thesis is to analyze the existing legal regulations for the purpose of redemptions of property for the public benefit, the method of determining compensation, allowances and other costs in connection with the forced sale or expropriation at siting the spatial Arrangements of National Importance in the area of the Republic of Slovenia. It is also analyzed existing practice in this area, based on the manufactured appraisal reports and court judgments. It was found that the current rules do not allow equal treatment of shareholders, appraised reports are deficient and generally not sufficiently justified and reasoned. The following is analyzed the first draft of the regulation in this area. It was found that the regulation establishes new rules for the assessment of the principles of the generalized market value. In the last part of the thesis presents a project to develop a methodology of evaluation of property values. The results of the analysis show’s that the proposed solutions are ungrounded and opaque, and in this way even prevent market approach to the assessment.