Designed by the architect Jean-Baptiste Janssens in an eclectic style of Greco-Roman and Renaissance inspiration and completed in 1889, it is located at 20, rue du Comte de Flandre/Graaf van Vlaanderenstraat.

The then-mayor Henri Hollevoet [nl] appointed Jean-Baptiste Janssen, a municipal official in charge of public works, as architect.

[11] The mayor's office is majestic, located under the dome whose ceiling is lined with a allegorical painting by Amédée Lynen symbolising Education, Public assistance, Civil protection, Justice, Art and Letters and Marriage.

[12][1] The building holds major works of art by Pieter Bruegel the Elder, Anthony van Dyck, Jacob Jordaens, Léon Spilliaert, Eugène Laermans and Roger Somville, among others.

The collection is the result of an acquisition policy initiated by the municipality in the 1960s, as well as a major donation from the art critic and novelist Sander Pierron [fr], an illustrious local resident who died in 1945.