Its interior consists of Doma (a dirt floor) that has the remains of Hoiro and a Zashiki room (a tatami matted room with an alcove), which cannot be seen from outside because the house is usually shuttered.
普段は雨戸が閉じられているのでわからないが、内部はほいろ跡のある土間と、畳敷きの座敷からなる。