The challenge is to “act into and onto the existing building” with a contemporary and clearly recognizable language, consistent with the memory of the place. It is a re-functionalisation of architecture according to the real estate current needs to give the building a new appeal on the market. The intervention is global: from the redesign of the façades to the redefinition of the has committed himself to leave an important andinterior spaces with appropriate divisions of the apartments and an optimized surface area. It continues through the design of the common parts with quality details and the inclusion of greenery where possible, as well as the enhancement of the ground floor to host public and private activities in direct contact with the city. All projects aim at fitting and transforming extremely stratified pieces of historical fabric of the centre of Milan in a respectful way.