This project redefines residential architecture through the innovative concept of interchangeable dwellings, challenging traditional norms. Targeting the common practice of frequent relocations, our design introduces adaptability within existing dwellings. The core principle revolves around user-participatory design, enabling residents to customize and vertically expand their living spaces. Demonstrating universal applicability across unit types, our approach integrates flexibility seamlessly. With streamlined modular and prefabricated components, our transformative blueprint offers homes that dynamically evolve to meet the changing needs of residents in Johor Bahru, Malaysia.