There were villas for the government officials and their families inside the Daidairi, and those villas were connected with a corridor to the Seiryoden (name of one of the Imperial Palaces during the Heian period) inside the palace.
官僚やその家族の邸宅も大内裏の内部にあり、それらの殿舎は内裏の清涼殿に廊下でつながっていた。