This small apartment that located in attic space needed to renovate to gain more space and volume, and also this apartment renovation costs had to be low. The architects succeed to develop this small apartment interior design idea of renovation with that challenging factor. Some of the walls and roof demolished to increase space volume. For example, right now there is connection between kitchen area and living room. The linked space also make two windows has direct relation, so this attic apartment has more plenty natural light. Larger storage solutions for small apartments also achieved, because the guest area and work area placed at top of storage and bathroom as mezzanine. Hydraulic mosaic was used as a coating in this apartment interior, include mezzanine floor designs. Each room has own characterizes of hydraulic mosaic. Project area 82 m2, designed by José Adriao.