 He made few changes to the exterior of the château, but did build a new apartment for his companion Madame de Maintenon, furnished it with some major works of André-Charles Boulle and demolished the old apartments of the baths under the Gallery of Francis I to create new apartments for the royal princes, and he made some modifications to the apartments of the King.The architect Jules Hardouin-Mansard built a new wing alongside the "Galerie des Cerfs" and the "Galerie de Diane" to provide more living space for the Court.He did make major changes in the park and gardens; he commissioned André Le Nôtre and Louis Le Vau to redesign the large parterre into a French formal garden.