The aim of this paper is to get natural design principles of different type of traditional houses in Bangladesh according to availability of local materials. The different kinds of house are developed in different regions of Bangladesh such as mud house, bamboo house, stilts house and timber house. Many designer are now interested in adapting traditional feature to modern design but such attempts have had limited success because traditional house design have themselves not been clearly understood. This study can help to convey a good understanding by analysing different types of traditional house in Bangladesh.