Sannai is a unique work-live settlement specially developed for practicing Tatara ironmaking. The objective of this article is to explore the domestic history of Important Tangible Folk Cultural Property, Sugaya Tatara Sannai Ironmaking Village, the only surviving example of its kind. However, the life history associated with the ironmaking practice is not fully interpreted today. This article focuses on alterations of dwelling units at Sangen Nagaya, the middle-class company accommodation, to analysis the process of modernisation in their kitchen spaces and the housework of female members who supported the ironmaking industry and the following charcoal production.
