The main concept of the design is to consider the thermal baths, and pools like the “public void”. Therefore the Bathyard proposes a gradient of 'publicness' using baths as a mean for interactions between the visitors and the inhabitants. More precisely, the building offers a public plinths of Thermal Baths and Pools, inhabiting the courtyard of the block, and combination of dwelling with Collective Thermal Baths and Penthouses with Individual Thermal Bath. This diversity in scale of apartment offers a wide range of social population inhabiting the space.