the interior includes pavement slabs in granite on the ground floor and wood on the remain floors. the walls alternate between granite blocks and plastered and painted walls in white, while the ceilings are plastered and stuccos on the ground floor and decorated in wood frames on the remains levels. access to the two volumes is made across ad arched doorway and truncated angular door on the second floor. in the taller volume, all the floors are covered by central pillar of granite; the access from the ground floor and the second follows a stone staircase, addorsed to the western wall. between the second and third-floors the staircase is addorsed to the western wall, while between the second and third floors there is a steel staircase addorsed to the north.