Design of a commercial house with measures of 14.20 meters x 8.14 meters developed in 4 levels. consists of architectural plans/sections/elevation. -structure/lightened - sanitary installations - electrical installations. first level: commerce - easement passage - hall - room - staircase. second level: stairs-kitchen-sh-passage-dining room-living room. third level: staircase- room- passageway- sh- room- room. fourth level: stairs- room- passageway- sh- laundry- clothes line.