Traditional houses enjoy an organizing with inner spaces based on religious and traditional notions of Iranian families. Space flexibility, readability, introversion, spatial hierarchy and family privacy have had a special status in architecture of Iranian houses, replaced with an outward-oriented architecture. The traditional architecture which has had all the necessary spaces for any communication inside the house has converted to the hotel architecture that its residents have not expected the stability and comfort from it, to whom just the equipment and services at hotel architecture are of great importance to which they have no sense and attachment. Living at contemporary houses has raised the problems such as reduced sense of belonging, comfort and emotional and family problems. The present research intends to compare traditional houses with contemporary houses by study on architecture plans of Iranian traditional houses and emphasis on their spatial richness and quality so as to get familiar with spatial concepts of these houses and take an effective step on how to influence these neglected concepts on single-dimensional spaces of contemporary houses.