Therefore, they renovated the old home of TAIRA no Kiyomori which was located in Rokuhara, south of Shirakawa City, where they could instantaneously grasp movements at the Imperial Court, into a government office, and stationed Yasutoki HOJO and Tokifusa HOJO in the north and south of Rokuhara for this task, while gokenin from the west were reorganized to guard Kyoto, monitor the Imperial Court, perform military operations, etc.
そこで、朝廷の動きをいち早く掴める白河市南の六波羅にあった旧平清盛邸を改築して役所にし、北条泰時・北条時房の二人が六波羅の北と南に駐留してこの作業にあたり、西国の御家人を組織し直して京の警備・朝廷の監視・軍事行動などを行わせた。