摘要:AbstractDeveloping a new assessment tool in the area of sustainable development requires a strategic methodology for a cohesive and logical framework incorporating relevant theory and practical experience. This study is aimed to provide a Post Occupancy Evaluation (POE) sustainability assessment framework for retrofitting commercial office buildings in Malaysia. The design of sampling selects GBI certified office buildings and a non GBI certified commercial building, to obtain the building performance score then, conducting interviews with professionals to obtain feedback on environmental performance and determine the occupants’ satisfaction level in certified GBI commercial office buildings and conventional, through questionnaire distribution.