The church, which overlooks Piazza Vittoria, the ancient Roman forum of the city, was rebuilt in the second half of the 11th century and was consecrated by Pope Urban II in 1096, when the pontiff visited Pavia.

Even at the end of the eighteenth century, the rectory still possessed discrete land properties, concentrated above all in the Pavia area, equivalent to 76.5 hectares.

Illumination is guaranteed by some single lancet windows and internally there are traces of frescoes (the knights of the Apocalypse, the figure of an angel) also dating back to the late 11th century.

The church underwent radical structural changes in the 16th century: two of the original apses were demolished (only the southern one remains intact) and the central one was replaced by a rectangular choir.

Of the original late 10th century building, part of the masonry of the bell tower is preserved, decorated with small arches and clearly visible on the side of the facade.