The building of the present-day church began in the XIVth century, on the site of the tomb of Saint Saturnin, whose name became changed over the passage of time to Saint Sernin. His tomb is now situated in the Basilica that bears his name and that can be visited nearby.

The Church of Notre-Dame du Taur has a large bell-tower with numerous crenelations and a triangular gable characteristic of Toulouse and the surrounding area. Its recently restored façade attracts the attention of the passer-by en route from the Capitole to Saint-Sernin.