The building of 30 houses for rent in Banyoles, is seen as an opportunity to implement a new building system based on industrial construction factory stackable prefabricated volumetric modules and eventually reusable or recyclable by its easy deconstruction. It also proposes a flexible and adaptable interior layout to different needs, and incorporates assumable liabilities and assets that allow maximum energy rating energy systems. Promotion of 30 properties for rent on systems constrCnnn nn