It subsequently experienced heavy modifications including the addition of a triple-arched portico.

According to the Renaissance art historian Giorgio Vasari, Filippo Brunelleschi built here a chapel, the Ridolfi Chapel, in which he studied, in smaller scale, architectural elements later used in his famous dome of Santa Maria del Fiore.

The entrance portico was remade by order of Cosimo I de' Medici in 1580, using the architect Bernardino Radi.

Repairs of the church after flood led to the restoration of some of the historical architectural features,[2] and the discovery of columns belonging to the original Romanesque church in the Baroque interior.

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