1958

Louis and Berthe Wittamer-De Camps buy the Hôtel Solvay to set up their haute-couture workshops.

1976

Relocation of the couture workshops. Louis and Berthe Wittamer devoted themselves to restoring this exceptional building to its pristine condition and preserving it.

1983

The Hôtel Solvay becomes a private house open on request for guided tours. The Hôtel Solvay is emptied of all commercial activity, and restoration work continues unabated.

2000

The Hôtel Solvay is inscribed on UNESCO's World Heritage List as a masterpiece of Art
Nouveau architecture.

2021

Recognition of the museum status of the Hôtel Solvay and launch of the platform for individual visitors.

2022 - 2024

Major restoration project.

January 2022: Start of restoration of the façade

June 2023: Start of restoration work on the roof and glass roofs

October 2024

Hôtel Solvay unveils its restored façade

2025

The Hôtel Solvay celebrates the 25th anniversary of its UNESCO classification. To mark this anniversary, a new book on the Hôtel Solvay will be published, and an exhibition dedicated to the Valens fashion house, which saved the building from demolition, will be organised.