Housing is the zero point of Architecture and it is, perhaps, the most ancien and basic typology. Nevertheless, housing is also the typology that puts under more pression the inventiveness of the architect. Giving the best solution to each case and adapting the building to each plot is a constant challenge to be faced by him. Social housing does not allow great solutions or eloquence. This kind of architecture it demands large doses of rationality and common sense aimed to order and clarity. Without these principles it is not possible to resolve its specific needs. This block of 18 apartments is a new exercise of cleverness, it is a project that seeks and finds the way to supply every department with the best solutions.