Domaine de BagatelleCastle Renovation
HistoryInitial BuildDomaine de BagatelleDelivered2023
Historical Facts
- 1720
- Marshal d'Estrées obtained the right to enjoy the estate and had an elegant pleasure pavilion built. The site quickly became a popular meeting place for the Parisian aristocracy.
- 1775
- The Count of Artois, brother of Louis XVI and future Charles X, acquired the Bagatelle estate.
- 1777
- Following a wager made by Marie-Antoinette, the Château de Bagatelle was built in just sixty-four days by architect François-Joseph Bélanger. The estate became the famous "Folie d’Artois."
- 1810
- Napoleon I bought back Bagatelle and had it restored for his son, the King of Rome.
- 1835
- The estate was acquired by the Marquess of Hertford, who undertook major transformations of the park and enriched his collections.
- 1872
- Sir Richard Wallace had the Trianon de Bagatelle built by the architect Léon de Sanges and refurbished the château's main courtyard.
- 1905
- The City of Paris acquires the estate. Jean-Claude Nicolas Forestier is tasked with its rehabilitation and the development of its gardens.
- 1980
- Creation of the Association of Friends of Bagatelle, which relaunches the cultural programming and contributes to the restoration of the château and the park.
- 2019
- The Mansart Foundation is responsible for the restoration of the Château and the Trianon in preparation for their reopening to the public.
- 2021
- Start of studies for the restoration work on the facades, roofs and joinery of the Château and the Trianon.

InterventionDomaine de BagatelleIn progress2020
The Château – Exterior RestorationBuilding envelopeDomaine de BagatelleCompleted2021–2023
The Château – Interior RestorationHistoric interiorDomaine de BagatelleIn progress2023–2023
ABC
The Trianon – Exterior RestorationBuilding envelopeDomaine de BagatelleCompleted2023–2024

The Trianon : interiorsInterior decorDomaine de BagatelleIn progress2025
Infos
- Client
- Fondation Mansart
- Year
- 2023
- Status
- In progress
Partners
- Perrot & Richard Architects
- Chief Architects of Historical Monuments
- Cabinet Pilté
- Economist
- Atelier Gildas Geffroy
- Fluid design office
- Dynatech
- Health and Security (H&S) coordinator
- ARCOA
- Conservators-restorers and painters in heritage decorations
- Mériguet
- Painters and gilders
- Maison Dureau
- Painters
- SOE
- Stuc and staff
- Roger Dubois
- Electrician
- Balas
- HVAC
- H.Chevalier
- Masonry
- CRT
- Reinforcement and wood treatment
















































