Creating real estate appreciation maps with the help of geographical information systems: The case of Tepebaşı district of Eskişehir province

Securities or real estate are some of the areas of investment where investors can increase the value of their savings. In both types of investments, the aim of investors is always to maximize their returns while keeping their risks to a minimum. In this context, as an investment tool, the earnings from the appreciation of the real estate holds an important role for the investor. In order to calculate the gains resulting from the increase in the value investment property in the Tepebaşı district of Eskişehir Province, this study used the Delphi technique based on expert opinion to determine the features and the location in terms of the neighborhoods of these investment properties. After determining the features of the houses and their neighborhoods, the gains from the increase in value as indicated in the sales prices in the sales contracts for the relevant period were calculated. The gains resulting from the increase in the value investment property in the district were then obtained by mapping the results using a geographic information system program (ArcGIS). The gains from appreciation in the value obtained in the study were as follows; in Bahçelievler neighborhood, 86.10%; in Eskibağlar neighborhood, 69.7%; in Yenibağlar neighborhood, 55.6%; in Güllük neighborhood, 65.35%; 48% in Sütlüce neighborhood and 45.5% in Şirintepe neighborhood.