The type of material used, stone, is also unusual for this kind of construction even if it goes some distance to explaining its survival. This type of civil structure was normally built out of wood as neither the local nor the state authorities usually had the means to finance projects on this scale.
In decorative terms, there are the fine medallions that run around both the external and internal cornices some of them depicting scenes using Romanesque imagery. The interior is spacious with seating along the walls with the main wall broken up by two doors. The windows have plain frames except for seven which are embellished with a starry pattern. The cover, a mansard roof, was put on in the 20th century as part of a major restoration.