European Heritage Days 2026 at the Niemeyer Space, the Communist Party’s Paris headquarters

For the 2026 Heritage Days, take a tour of the iconic Niemeyer Space, the headquarters of the French Communist Party. Designed by Brazilian architect Oscar Niemeyer, this futuristic building with bold, sculptural forms is opening its doors for an exceptional, immersive experience.

The Journées du Patrimoine are back on September 20 and 21, 2025, offering an exceptional opportunity to discover, free of charge, emblematic sites that are often inaccessible to the general public. This not-to-be-missed cultural event celebrates the richness of France's heritage, offering a wide range of guided tours, exhibitions and conferences across the country. Among the treasures to be explored, theEspace Niemeyer, headquarters of the French Communist Party, awaits you for this 2024 edition.

TheEspace Niemeyer, located in the 19th arrondissement of Paris, is an architectural masterpiece designed by the famous Brazilian architect Oscar Niemeyer. Inaugurated in 1980, this futuristic building with its curved, organic forms perfectly embodies the avant-gardism of its creator, also known for his work on the United Nations headquarters in New York and the city of Brasilia. The building is distinguished by its white dome, a true emblem of modern architecture, and its luminous interior, where volumes unfold with fluidity. A symbol of creativity and daring, theEspace Niemeyer is steeped in history and symbolism.

As well as admiring the work of one of the greatest architects of the 20th century, you'll discover a place where architecture meets the political history of France. Visitors can explore various spaces or take part in lectures. An enriching visit for lovers of art, architecture and history, not to be missed!

The Journées du Patrimoine 2025 program at the Espace Niemeyer in Paris :

Conference at the Niemeyer Space
On the occasion of European Heritage Days, Espace Niemeyer opens its doors once again for an exceptional weekend of discovery.

Come explore the architectural universe envisioned by the renowned Brazilian architect Oscar Niemeyer and wander freely through the venue’s iconic spaces, nestled in the heart of Paris’s 19th arrondissement.

Throughout the weekend, enjoy a diverse program blending guided tours, screenings, meetings and talks focused on the building’s history, its distinctive architecture and the people who bring it to life today.

For only €3 per person, access the roof terrace and take in a breathtaking panoramic view of Paris and its landmarks. You’ll also discover a little-known facet of the site: the beehives on the roof and their fascinating inhabitants—the bees.

Dates and times

Saturday, 20 September 2025: 10:00–18:00

Sunday, 21 September 2025: 10:00–18:00

Last entries at 17:00

Conferences (20 to 30 minutes): Relive over four decades of history at the French Communist Party headquarters through a special presentation staged in the iconic room designed by Oscar Niemeyer.

Speaker: Gérard Pellois and several surprise guests.
Participation conditions: Free admission from 10 a.m. to 6 p.m. (last entries at 5 p.m.) / Rooftop terrace tickets €3 – Free
Hours: Saturday, September 19, 2026 — 10:00 to 17:30 | Sunday, September 20, 2026 — 10:00 to 17:30

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