This paper aims to evaluate the space utilization of small-scale day service facilities renovated from traditional timber houses, analyzing relationship between space layout and utilizing pattern. The result of the evaluation contributes to examine the possibility of using traditional house as day service facilities. The crucial point of the findings of the study is that it is important to select houses with spacious regular square rooms in order to secure the provision of places for the inmates spending their free time, lunch and afternoon sleeping respectively. Even if this space condition could not be satisfied, it would be worthwhile to arrange furniture separating territorial space for relaxing and taking lunch in a room in addition to improve space planning appropriate for afternoon sleeping, physical exercise or recreation.
