In this study, the duration of changing the interior fittings of residential users with different socioeconomic status (SES), the reasons for wanting to change or not, were determined. In this study conducted for this purpose, the results obtained and the suggestions developed were explained in a systematic order. Figure A. Reasons of participants not wanting to change the interior elements Purpose: In this study, it was aimed to investigate and determine how often and for what reason the users of different socio-economic Status (SES) want to change the indoor equipment in their houses.Theory and Methods: For this purpose, a totally 280 occupant participated in the questionnaire which was prepared considering three different SES groups, lower, middle and upper. The results were evaluated with SPSS program.Results: According to the results, it was found that the average duration of the replacement of the interior equipment elements of the participants was between 6-10 years and the frequency of replacement of the elements decreased as the SES increased. In addition, when the reasons of the participants want to change the interior elements are examined; old, deteriorated / broken, aesthetic appearance, material quality, storage failure, measurement error, labor quality and lack of maintenance-service issues appear to come forward Conclusion: Based on these results; furniture companies and manufacturers can develop marketing strategies by considering the times of changing the interior fittings of the users of residential buildings with different SES, the conditions of wanting to change, the reasons for wanting to change and not, and the relationship between the interior equipment elements and the perception of housing is evaluated from a different perspective. Design decisions can be determined according to the needs or expectations of economic users.