In 1777 Chalgrin partly remodelled the interior of Church of Saint-Sulpice, which had been given a thoroughly neoclassical façade by Chalgrin's former master Servandoni over forty years before.
In 1777, Chalgrin made alterations to the interior of the Saint-Sulpice Church, which had previously been adorned with a neoclassical façade designed by Chalgrin's previous mentor, Servandoni, some forty years earlier.