According to the plans of the insula in Notizie degli Scavi, 1897, (pages 14, 269 and 460) the doorways on the west side of the insula were numbered with Roman numerals, this doorway was shown as No. VII.
VI.15.19 Pompeii. September 2005. Entrance on Vicolo del Labirinto, looking east.
VI.15.19 Pompeii. September 2005. Looking east.
According to NdS, the VII doorway (on the west side of the insula) gave access to a room containing a staircase, which probably went up above the room on the north side of the entrance doorway at VI.15.20.
See Notizie degli Scavi, June 1897, (p.275)
VI.15.19 Pompeii. July 2008. Looking north at latrine. Photo courtesy of Barry Hobson.
VI.15.19 Pompeii. Late 19th Century.
Photo looking across the upper levels above area of VI.15.19/20/21, looking south-west towards north end of VI.11, and across to long restored roof of 6.9.2 (rear), on right.
Photo courtesy of Rick Bauer.