Only the successor is permitted to copy Ennan, the tea room which is the symbol of the Yabunouchi family, and only if it is copied absolutely identically, and if the original room at the head of the school is lost, the oldest copy must be donated to the head; the current building was a copy which was located in Settsu-Arima and transferred to the current location.
なお藪内家を象徴する茶室である燕庵は、相伝を受けた者に限り絶対忠実に写すことを許され、また家元で失なわれた際には最も古い写しが家元に寄付されるという定めがあり、このとき摂津有馬にあった写しが移築されて現在に伝わっている。