© Ton van der Wal
De Burcht in Amsterdam was designed by H.P. Berlage between 1897 and 1900 as the headquarters of the Algemene Nederlandsche Diamantbewerkersbond (ANDB), one of the most influential trade unions in the Netherlands. The building was commissioned by union leader Henri Polak and became an important symbol of the emerging labour movement.
The architecture combines Berlage’s early rationalist principles with references to Italian Renaissance civic architecture. The robust brick façade, crowned with battlements and a prominent tower, gives the building the appearance of a small urban fortress — the reason it soon became known as De Burcht, meaning “The Citadel”. A distinctive glass diamond lantern crowns the tower, directly referring to the profession and identity of the diamond workers.
The building is particularly significant as a Gesamtkunstwerk. Berlage designed the architecture, interior, furniture and many of the details as one coherent composition. Other artists, including Richard Roland Holst and Lambertus Zijl, contributed murals, sculpture and decorative elements. The large meeting room became an important space for the visual expression of the ideals of solidarity, education and social progress.
The building was deliberately designed to give the workers' movement a sense of dignity and permanence. Architecture became a means of expressing social ideals rather than simply providing functional accommodation.
After several restorations, including a major restoration between 2008 and 2010, much of Berlage’s original design and decoration has been recovered. Today, De Burcht houses the Scientific Bureau for the Trade Union Movement and provides spaces for conferences, meetings and cultural events.
© Rijksdienst voor het Cultureel Erfgoed
