Maison Cauchie: Brussels' Most Personal Art Nouveau House

What Is Maison Cauchie?

Maison Cauchie is a three-storey Art Nouveau townhouse at 5 Rue des Francs in the Etterbeek municipality of Brussels, designed and built in 1905 by the Belgian artist and decorator Paul Cauchie in collaboration with an architect. It served simultaneously as his private residence and professional atelier, a combination that explains why the building feels less like a public monument and more like a statement of personal artistic philosophy. Every decorative element, from the sgraffito panels on the facade to the interior wall treatments, was conceived as an integrated whole.

The house has been open to visitors since 1994, offered exclusively through guided tours on limited opening days rather than independent roaming. This format is not a limitation; it is, in practice, the appropriate way to experience a building where context, technique, and biographical detail deepen almost every surface you look at.

If you are building an Art Nouveau itinerary across Brussels, Maison Cauchie pairs logically with the Horta Museum in Saint-Gilles and the Hotel Solvay on Avenue Louise, though each represents a distinct strand of the movement.

The Facade: Brussels' Most Striking Sgraffito Wall

Standing on Rue des Francs, the first thing you register is the facade, and it is genuinely arresting. Sgraffito, the technique of scratching through layers of differently coloured plaster to create images, covers much of the upper face of the building. Cauchie used it to depict a procession of elongated female figures in flowing robes, surrounded by stylised organic motifs. The palette is muted: ochres, greens, and pale terracotta against a grey Brussels sky. In morning light, the relief textures catch shadows that are largely invisible by midday.

The inscription above the figures reads 'Par Nous, Pour Nous' (By Us, For Us), a declaration that the house was entirely the couple's own creative project. Paul Cauchie's wife, Marie Koch, was also an artist and contributed to the decorative programme. That detail, often glossed over in passing references to the building, matters considerably when you look at the interior, where her influence on the textile and applied art elements is visible.

The Interior: Decoration as Total Environment

Access to the interior is through guided tours only, conducted in French, Dutch, and English. The format keeps group sizes small, which means you can actually stand close to details rather than viewing them from a rope barrier. The ground floor contains the studio and reception spaces, where the integration of furniture, wall decoration, and architectural elements demonstrates what Art Nouveau designers meant by the Gesamtkunstwerk, the idea of a unified total artwork.

The wall treatments inside use the same sgraffito technique as the facade, creating a visual continuity between exterior and interior that few Art Nouveau buildings achieve at this scale. Colour is handled with unusual restraint compared to some of the movement's more exuberant interiors: the effect is harmonious rather than overwhelming, which suits the domestic scale of the rooms.

The upper floors contain the private living quarters, preserved in a state that communicates how the Cauchies actually inhabited their creation. This lived-in quality distinguishes the house from the more thoroughly museumified Art Nouveau buildings in Brussels. The smell of old plaster and wood is present throughout, and the slightly uneven floors remind you that this is a structure well over a century old.

Paul Cauchie: The Artist Behind the Building

Paul Cauchie (1875-1952) was a painter and decorative artist who also worked to a limited extent as an architect, primarily in Brussels in the early decades of the twentieth century. He was a practitioner of sgraffito at a moment when several Brussels architects, including Adolphe Crespin and Gustave Strauven, were using the technique to enliven building facades across the city. What distinguishes Cauchie is the density and sophistication of his application: the facade of Maison Cauchie is among the finest examples of sgraffito work from the period anywhere in Europe.

Cauchie was also a committed exhibitor, showing his work at the Libre Esthétique and other salons associated with the Belgian avant-garde. The house at Rue des Francs was in part a deliberate advertisement for his skills, designed to be visible and legible from the street to potential clients. This dual purpose, home and portfolio, gives the building its particular character: it was meant to impress professionally while functioning as a genuine domestic space.

For a broader view of Art Nouveau's footprint across Brussels, the Art Nouveau Brussels guide covers the movement's key buildings, designers, and neighbourhoods across the city.

Planning Your Visit: Logistics and Timing

Maison Cauchie operates on restricted public visiting hours. Regular individual visits typically take place on Saturdays, with morning sessions running from 10:00 to 13:00 and afternoon sessions from 14:00 to 17:00, though schedules can vary by season. The house also participates in special event programmes such as Nocturnes Brussels, when evening guided visits are offered on selected dates. Advance reservation is strongly recommended for all visit types, and checking the official website at cauchie.be before planning your trip is essential, as schedules change.

Admission fees for adults are reported in the range of €7 to €9.50, with reduced rates for students and seniors. The official site publishes current 2025 fee information and handles reservations via the info@cauchie.be email address. Group visits can also be arranged outside standard hours with prior booking.

Getting there by public transport is straightforward from the city centre. Merode metro station on lines 1 and 5 is the most direct option, placing you a short walk from Rue des Francs. Tram 81 and buses 22, 27, 61, and 80 also stop nearby. The surrounding Etterbeek neighbourhood is quiet on weekend mornings, so the walk from Merode is pleasant and unhurried.

Art Nouveau Context: Where Maison Cauchie Fits

Brussels produced more Art Nouveau buildings per square kilometre than almost any other European city during the period between roughly 1893 and 1914. The movement here was driven by patrons with new money, an unusually permissive building culture, and a cluster of exceptionally talented designers who knew each other and competed fiercely for commissions. Victor Horta is the name most associated with Belgian Art Nouveau internationally, but the reality was a wide field of practitioners working at different scales and price points.

Maison Cauchie sits at the more modest end of that spectrum in terms of footprint, but not in terms of ambition or quality. Where Horta's great private houses were built for wealthy industrialists with large budgets, Cauchie built his house for himself, with a practitioner's knowledge and without an intermediary client to satisfy. The result is arguably more personal and more architecturally coherent than some larger commissions from the same period.

The Art Nouveau facades of Saint-Gilles offer a complementary outdoor experience if you want to see how the style played out at the neighbourhood scale, without the constraint of museum hours.

Accessibility and Practical Notes

Maison Cauchie is a historic private house rather than a purpose-built visitor facility, and mobility access may be limited in certain areas given the building's age and protected status. The official contact page includes a dedicated accessibility section, and the house can be reached by phone at +32 (0)473 64 26 97 during opening days for specific accessibility queries. Visitors with mobility requirements are advised to contact the house in advance to understand exactly which spaces are accessible.

Brussels has an oceanic climate with regular rainfall throughout the year, and weekend mornings in autumn and winter can be genuinely cold and damp. The tour takes place largely indoors, so the weather does not significantly affect the core experience, but the exterior photography conditions vary considerably by season. A light layer is advisable year-round.