Bathhouses were of the most important buildings of a city. They were usually located at the center of
towns or near the bazars and main roads. From the pre-Islamic era the remainders of private bathrooms were
discovered in Persepolis (Achaemenian era) and Assyrian Palace (Parthian era). But the development of the
traditional bathhouses, that were used until the time before the modern urban piping emerge, date back to the
Islamic era. Since bathing includes several steps, therefore Iranian traditional bathhouses had spaces with
different functions.
In this research, study architecture of bathrooms in Qajar era. The research method is documental. In order to
collecting data, was referred to organizations such as cultural heritage. Also, was used internet and library.
Finding shows, Iranian bathrooms were made very cleverly and had a variety of spaces fitting perfectly with its
functions. Iranian baths were built very intelligently. They built the bathrooms with convoluted corridor
between corridor and the entrance of the bathroom to adjust the temperature difference of outside and inside.
The interior of the warm house was divided into several place for cleaning and pools. There were three pools;
one for warm water, other for cool water and the last for latter water. Bathrooms were association place as well
as the market in addition to certain operations. Important events such as henna ceremony, wedding shower,
delivery, and etc. have also been done there.