The implementation of concept of design for all has been developed for decades in many countries. This paper discusses the study on how to adopt one concept within another social context, a case study in Thailand. Thai context has a distinctive cultural perspective. The attitude and understanding of 'Disability' affect on the extent of Universal Design principle in practice. Consideration of family members of wheelchair users toward home modification was focused in this study. Findings from empirical study by mean of Post Occupancy Evaluation in 31 domestic spaces revealed social hidden dimension. The matter of economic, intimacy amongst family members and psychological perspective are impact on implementation of Universal Design principles. The paper suggests that societal context is a key factor to be considered in terms of adaptation design concept within different culture.