In Paris, this sumptuous 3,000 m² Haussmann palace reopens its doors to the public after 2 years of renovation – and you can visit it free of charge in September.

Usually closed to the public, the Hôtel du Châtelet is finally unveiling its treasures: monumental staircases, a rare library and historic rooms to be discovered free of charge in September.

Bénédicte Vicent • September 4, 2025

Haussmann palace Paris — Hôtel du Châtelet © Chambre des notaires de Paris palais haussmannien Paris

Did you think you’d seen everything in Paris? Visited everything? Think again! The City of Light still has its share of surprises… Among the most secret places, we’ve found an absolutely dazzling Haussmann palace: the Hôtel du Châtelet. Closed for renovation for the past two years, it’s finally reopening to the public (and to visitors). And you’ll even be able to visit it for free in September!

A sumptuous Haussmann palace, totally unknown in Paris

But who would have thought that such a jewel could be hidden away in Paris? Located on Place du Châtelet, this immense 3,000 m² Haussmann palace has been home to the Paris Chamber of Notaries since 1856. A masterpiece of the 19th century, this magnificent edifice has seen crowned heads and world leaders pass through its halls: from revolutionaries to eminent members of the clergy.

palais haussmannien Paris — Hôtel du Châtelet © Chambre des notaires de Paris

Entirely financed by Paris notaries, the Hôtel du Châtelet has been closed for two years for restoration work. A titanic undertaking, it was necessary to respect the period architecture while modernizing the premises! But you’ll soon be able to visit this sublime palace… The Hôtel du Châtelet, usually inaccessible to the public, will open its doors to visitors on Saturday, September 20, during the Journées du Patrimoine (Heritage Days).

Hôtel du Châtelet © Chambre des notaires de Paris

You’ll discover a resplendent setting, composed of several rooms. The majestic entrance hall, with its monumental stone staircase. The Chamber’s meeting room, with its breathtaking view of the Palais de Justice, the former Conciergerie of the Palais Royal, the Tour Saint-Jacques and the Hôtel de Ville. The library, with its precious books, including an original copy of Diderot and d’Alembert’s Encyclopédie!

You’ll discover all the secrets behind this ground-breaking renovation, and various anecdotes about the building’s history. What’s more, an immersive exhibition will explain the fascinating history of the notary’s office, through period objects, books and archive documents.

An astonishing place, rarely open to the public, but well worth a visit!

📍 Location: 12, avenue Victoria, 75001 Paris
🗓️ Date: Saturday, September 20, 2025, from 10am to 6pm
💶 Price: Free – booking essential

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