“…This paper brings the developers, who are essential decision makers to lead the phase of sustainable development, as an object of study, into addition and completion of the related research. Based on the consideration of the individual factors of the developers [ 2 , 3 ], this research tend to have perception from them in order to obtain the information. The significant barriers of Sustainable Construction (SC) adoption that were identified in literature were listed on the questionnaire and respondents were asked to rank them on a scale of 1 to 5.…”