Hôtel Solvay, Art Nouveau mansion in Avenue Louise, Brussels, Belgium
The Hôtel Solvay is a four-storey Art Nouveau town house at 224 Avenue Louise in Brussels, built of blue and white stone. Its symmetrical upper facade has projecting side bays with two-level oriels and a central bow-window curved like a crossbow, above a rusticated granite base. Inside, a polished dark wood partition with curved glazed panels and an oval opening stands near tall windows.
Armand Solvay, son of the chemist and industrialist Ernest Solvay, commissioned Victor Horta in 1894 to build a winter residence; the building permit was filed in July 1895, the shell was finished in June 1898, and interior work ran until 1903. Horta, then 33 and the city's most expensive architect, was given an almost unlimited budget. The house was listed as a monument in 1977 and inscribed on the UNESCO World Heritage list in 2000.
The residence displays hallmark Art Nouveau features through its flowing lines and organic forms visible in the curved balconies and ornate facade details. These design principles shape the experience visitors have while moving through its rooms and hallways.
The house opened as a museum on 23 January 2021 and receives visitors five days a month, at selected time slots; booking ahead is required. The entrance sits on the side, under a porch that once let carriages drive through to the stables at the back of the garden. The rear facade and its garden can be seen from the rooms facing that side.
The residence features mobile enameled panels that divide the dining room from reception spaces, showing how Victor Horta created innovative solutions for flexible room usage. This detail reveals the practical creativity embedded in the artistic design.
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