This series of atmospheric vaulted rooms historically connected to the principal della Pura residence via a historic staircase that is currently walled in. It also has windows and two other entrances, onto Via Monte Grappa and Via Ospedale Vecchio. 

Each of these rooms can house a transformative function — and on certain days of the year be open to resident members and visitors — and free up even more valuable space in the principal living floor upstairs.  Options include a table tennis room, snooker room, Italian wine cellar, French wine cellar, spa, home cinema, archaeological museum room, and self contained residential apartment with its own front door to the street.