This study aims to shed a light over the challenges, possibilities and problems regarding renovation and rehabilitation of the million program housing. Many million program housing is in acute need of restoration and the monetary cost is high since the housings represent one fourth of the Swedish housing. This will be from a social sustainability perspective and investigate how different parts of the property owners incorporate social sustainability during their changes and modifications in their projects. While visiting these strategies and looking into the social sustainability a issue is also due to see if there is any overall dialog between companies in order to share information and experiences. Qualitative methods were used to conduct this study, even more specific interviews with following thematic analysis. The results found that the strategies for public utility and private housing differs when it comes to renovation million program housings. They operate in different practical methods and has difference in the ambitions of social sustainability. Three actors from different branches in the million program housing is interview to contain different perspectives to widen the reach and deepen the analysis on how the problems and strategies should be perceived and what they struggle with and find promising for the future.