The church was a basilica without arch, built in such a way that the two side naves were lower than the central one. On the west side of the church a dividing wall blocked off part of the naves. In the remaining section the naves were divided by arches resting on columns. The roof was of wood.

The interior of the Madonnina during demolition work, 1961 (Liana Starida)
The interior of the Madonnina during demolition work, 1961 (Liana Starida)