Château de Pompignan the Gallo-Roman era, whose villa was sited on the edge of the hillside about a kilometer south of the present chateau. There is evidence to suggest that a ninth-century feudal manor house existed on or close to the present chateau site. The modern village grew up at the foot of the chateau in the time of the Lefrancs, and its layout and facilities were shaped by the needs and gifts of the owners. The chateau was built on the foundations of the existing manor house in the emerging neo-classical style, similar in some respects to the Petit Trianon at Versailles
Palace of Versailles and more graceful neoclassical Louis XVI style of the Petit Trianon, completed by Ange-Jacques Gabriel in 1768. The palace was largely completed by the death of Louis XIV in 1715. The eastern facing palace has a U-shaped layout, with the corps de logis and symmetrical advancing secondary wings terminating with the Dufour Pavilion on the south and the Gabriel Pavilion to the north, creating an expansive cour d'honneur known as the Royal Court (Cour Royale). Flanking the Royal Court are two enormous asymmetrical wings that result in a facade of in length. Encompassing the palace has 700 rooms, more than