This report presents a comprehensive analysis of the sustainable design of a one-story office building, focusing on the application of BIM technologies. The project involves land selection near a river, client requirement analysis, literature review, and construction code study. The design process utilizes Revit software to develop floor plans, elevations, and perform various analyses. The report emphasizes the importance of energy efficiency, material selection, and waste disposal. It explores the impact of improving thermal properties, daylighting potential, and solar design, including the use of phase-changing materials, window optimization, and solar panels. The project incorporates sustainable techniques like prefabricated materials and construction waste management. The report also examines relevant building codes and project management strategies. The analysis includes base model design and its analysis to improve the sustainability and reduce the environmental impact.