The aim of this study is to clarify characteristics of facade design in refurbished traditional Japanese timber houses, focusing on roof shape and exterior elements after refurbishing. Firstly, roof shape is analyzed according to frame construction system, surface materials, the relationship to outer structure and skylight. Secondly, analyzing arrangement of window and exterior design as "exterior element", 3 types of composition are pointed out. In conclusion, 10 types of facade design are pointed out, and their characteristics are clarified.