A luxury private residence in the heart of Tokyo with forms following mainly the multiple property acquisitions in this city’s intricate cadastral implementation and very complex urban & architectural strict regulations. Moreover, the Base Isolation System hybrid structure adds another complexity to it’s design with unique solutions and gives the impression of floating. Following our strict sustainability goals the low temperature geothermy system is implemented using the constant underground temperatures all year long. The implementation of this system allows transfer & control of temperatures without necessitating any A/C machinery.