In the regency period, the dairi in Heian-kyu palace was still recognized as the primary imperial palace, and the satodairi was rarely used as the imperial palace when the dairi in Heian-kyu palace was available; in the cloistered government period, however, the satodairi was commonly used as the imperial palace irrespective of the presence of the dairi in the Heian-kyu palace.
摂関期にはまだ平安宮内裏が本来の皇居であると認識されており、平安宮内裏が健在であるのに里内裏を皇居とする例はほとんど無かったが、院政期以降になると、平安宮内裏の有無に関わらず里内裏を皇居とする例が一般化した。