In Heredia once again, the alliance company develops a housing solution where in the personalization of the space according to the use of its inhabitants is the design guideline. Proposal for a family of 4, housing constitutes the possible use and its form of organization of the activities around the spaces. The integrations and relationships of study areas, exercise areas, time of family reunion, family activities, rest areas, area of family activities as a whole, an inclusive kitchen to team work, and caves or secret places are contemplated. children. In the design of the house the illusion of the family by the use of it established the architectural language to be used.