Hôtel Thiroux de Lailly, hôtel particulier dans le 3e arrondissement de Paris
Hôtel Thiroux de Lailly is a private mansion in the Marais district of the 3rd arrondissement, built between 1739 and 1741 after designs by architect Michel Tannevot. The façade displays Louis XV style with a triangular pediment, ornate windows, rocaille scrollwork, and stone masks beneath the window ledges.
The original estate belonged to the Montmorency family until the early 1600s, one of France's most powerful noble families. In the 1700s, Jean-Louis Thiroux de Lailly purchased the property and had it redesigned between 1739 and 1741 in rocaille style, creating the structure seen today.
The mansion is named after Jean-Louis Thiroux de Lailly, the postal administrator who reshaped it in the 1700s. Its ornate façade with shell carvings and decorative moldings reflects how wealthy Parisians displayed their taste and status through architectural details.
The building is located at 5 rue de Montmorency in the Marais and is within walking distance of the Rambuteau metro station. Since the building is currently used by the French government, visits are restricted to guided tours, so check ahead before planning your visit.
Several rooms of the original wooden wall panels were removed in the 20th century and transported to Waddesdon Manor in England, where the Rothschild family incorporated them into their collection. This makes the house a striking example of how European treasures crossed borders and were reassembled elsewhere.
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