girim khashayar bagharpour, managing director of tehran construction cooperatives union, based on officialtistics, the number of housing transactions in 1402 has reached the lowest level in the last 10 years, and now we can see the ability to buy housing from most of the country. society has been deprived. the high price of housing in a realistic view is caused by the high cost of its production. therefore, affordable or small- scale housing today is an inevitable requirement, not a choice. mohammad saleh shakohi, professor of the faculty of urban planning , iran university of science and technology. some reasons for building small housing. the scale is prescribed because of the high cost of housing , while the high cost of housing is due to the lack of land supply, and another point is that small housing is against the country's policies, such as having children , the iranian islamic lifestyle is womb-centered and family-oriented. also, with the construction of small housing, small capitals also it comes to the housing market and this factor will be the housing price. dr. bijan khatib. ho