He rebuilt the apse into a rectangular shape and added a large stained-glass quadrifore window. Starting in 1310 he created the current façade up to the level of the bronze statues of the symbols of the Evangelists.
The apse was remodeled by him into a rectangle shape and a large stained-glass window with four openings was added. Beginning in 1310, he built the present façade up to the level of the bronze statues depicting the Evangelists.