His villa on Higashiyama is the prototype of the Shoin-zukuri style (a traditional Japanese style of residential architecture that includes a 'tokonoma' (alcove in a traditional Japanese room where art or flowers are displayed)) which came later - in short, it is the origin of the traditional style of Japanese architecture.
義政の東山山荘は、後の書院造の原型であり、日本の伝統的住宅建築のルーツとなるものである。