Методы пространственного анализа: возможности оценки рыночной стоимости объектов недвижимости

Abstract

The work attempts to apply spatial analysis methods within the framework of a comparative approach to assessing the market value of real estate. According to information (on the market value of the property specified in the advertisement for sale, its area, latitude and longitude, the market value of one square meter), collected from open sources, about 3,923 one-room apartments in St. Petersburg that were on sale at as of March 2023, a database has been formed on the basis of which, using a multifunctional geographic information system, a digital relief model has been built – a model of a regular network of heights – and a map of the distribution of real estate across city districts with equal intervals of the market value of one square meter has been compiled. For 150 one-room apartments (corresponding to the specified parameters), information for which was not included in the original database, the market value of one square meter was assessed using the constructed digital model. The difference between the calculated values and the market value indicated in advertisements for the sale of apartments, in relative terms, varies from ?9.9 to 8.1%. The mathematical expectation of the measurement difference is 1.89%, and the standard deviation is 4.11%. According to the authors, the method of constructing a digital relief model, in particular a regular network of heights, can be used as part of the implementation of a comparative approach to the assessment of real estate objects when solving applied problems by subjects of valuation detail