Château du Vert-Bois

The estate is organized around a long, straight approach that establishes a strong visual axis across the grounds. A roughly 340-metre avenue runs to the house from the southwest and ends at the gate complex. At the avenue’s western terminus a two-leaf wrought-iron gate stands between square masonry piers capped with spherical finials, forming a formal threshold to the estate.

Immediately beyond the gate is the conciergerie, a broad two-winged gatehouse largely dating to the later 17th century. Its wings meet at an obtuse angle and are joined by a tall, square gate tower that once served as a dovecote. The carriage passage through the tower takes a basket-shaped arch whose keystone is carved with the date 1743. The main entrance is framed by rusticated pillars that support a moulded cornice and a triangular pediment decorated with a coat of arms and foliage. At the rear, the ground floor opens to a series of round arches that have since been filled with masonry.

Northeast of the gatehouse a farmyard opens onto a courtyard of economy buildings, an orangery and two brick pavilions set beside the château’s surrounding moat. These pavilions were built in 1751 and received light-stone facing in 1772, dates that appear on internal fabric and in gable fields. The northern pavilion bears sculpted gable reliefs of the Baptism of Jesus and a Crucifixion scene and was most likely used as a chapel; the southern structure, named the Flora Pavilion, appears to have served earlier as a cold storage room for fruit.

The main residence occupies the west corner of an island encircled by a wide moat. It is a rectangular, two-storey block with a steep, slate-covered mansard roof and a taller ground floor underlining its principal level. The entrance (south) face is arranged in seven bays, with the central three forming a projecting three-bay section capped by a shallow triangular pediment and articulated by classical columns; the garden-facing north façade echoes this order without the central projection. Behind the house two small square garden pavilions, described as having Chinese-inspired character, stand close to the formal garden; until 1937 these served respectively as an icehouse and as a garden pavilion.

Inside, surviving decorative work and movable collections document the estate’s taste and collecting history. Visitors encounter examples of carved wood panelling in the Louis XV manner, a stock of eighteenth-century furniture and an assembled art collection that includes Persian and pre-Columbian ceramics, Delft faience and a broad range of paintings spanning the 17th and 18th centuries as well as contemporary works. Notable pieces on display include a large 16th-century Brussels tapestry titled “Triumph of Wisdom,” a 17th-century marine painting by Andries van Eertvelt that has been linked as a possibility to the Battle of Lepanto, an early-18th-century Régence ormolu commode by Charles Cressent, and a red-leather document folder once belonging to Napoleon Bonaparte. A mineral collection formerly exhibited in the house has been removed for security reasons.

The landscaped grounds combine a largely Baroque geometric plan, with straight alleys and long sightlines, and a northern sector laid out in the more naturalistic picturesque mode. The planted area is reported at roughly fifty to sixty hectares overall, with about forty-two hectares under nature protection, and the estate employs two full-time gardeners for its upkeep. Tree planting ranges from native lindens, plane trees and Lombardy poplars to exotic specimens such as black tupelo, Turkish hazel, sweetgum, a Japanese golden‑rain relative, tulip tree and Paulownia. The park also contains several sculptural works, among them Les Tolmens by Jean-Claude Bresler (Herzi), L’Humanité en Marche by Eugène Dodeigne and a ram statue transferred from the Prouvost factory at Roubaix, together with two bronze replicas after Giambologna: a Neptune dated 1567 placed in a central basin and a cast of the Rape of the Sabine Women.