Analysis and Investigation of Lasting Architectural Projects and Plans in Housing in Post Era of Ghajar, Tehran

The goal of present research is to investigate the ways employed in Qajar residence blocs of Tehran, in a manner that the architecture used have what extent of adaptation with architectural durable planning and designing for Qajar residential buildings. The structural and frame limit of this survey, has been selected and investigated from different buildings like (Mosques, coffee shops, ice houses, schools, markets, wind-breakers, residential architecture), residential architecture i.e. the old residential buildings of Ghajar time. Time duration of the investigation of case samples links to the buildings had been built at the last period of Ghajar {third period of Ghajar governance during 1934} and the beginning period of Phalavi period and used then. The way of research, lies in the developmental researches area, and the research has applied two methods, 1- Historical research method which has engaged in the perception and the investigation of historical movement of the events 2- Expressive research method that has engaged in the description of components of a situation or condition relation. The tool to collect the data encompasses the library method (table, map, notes taking, plan and chart, document) observation, and field and face to face understanding. Following two methods have been employed to analyze the data: 1- comparative analysis and 2- descriptive analysis. As this investigation follows the answer to the question of Ghajar houses adaptation level to the lasting architectural standards and criterion, after conducting the study it indicated that the housing blocs of Ghajar’s end period in city of Tehran had high adaptation with sustainable architectural designing and planning.