Recognition Factors Affecting Flexibility Residential Spaces in Iranian Architecture at Qajar Era

Flexibility is one of most important factors in Islamic-Iranian Architecture.  It sound in past Iranian architecture flexibility was happened and it was one of matters that help residential space with life style be in harmony. Suggestion of this point always is good idea in residential spaces. And this matter due to space be comfortable for need as its settlement, as the matter of fact flexibility for reason of. One important aspects in designing flexible residential space to predict needs and necessities of settlements lives. This subject is the key of continue life in same space as long period of time.  We propose in this paper that residential spaces in past of Iranian architecture was flexible as long time before life style of people was changed and they were be coincident what users wants.  For example family that inhabit along year can move in their house and find best place for Settlement. Also, in same space they do all kind of work and space can afford supported their needs and enough spaces for their activities. This paper at first step we find some factors that today is recognized as items that help space be flexible, so after extraction these items to find reason of flexibility in past of Iranian architecture supposed. Then for evaluation truly 10 sample of residential spaces in earlier Qajar era in Kashan-Iran was elected and assessment some items that can category in this field. Main question is what is the effective factors in flexibility in Qajar ear and Kashan housing? For find answer with describe and logical methods and usage of correlation and assessment of 66 space in 10 house in Kashan in SPSS software. Finally find that relationship between flexibility and analyzed items was category in 7 groups: 1-Development, 2-Changes in the spatial arrangement, 3-IntegrationsSpace, 4-Multifunction Space, 5-Multiplicity access، 6-Continues indoor and outdoor and 7-Movable walls.