The lead architect was Gustave Saintenoy, who designed it in a neoclassical style, in keeping with the other buildings around the Place du Luxembourg/Luxemburgplein, which were built around the same time.

[1] Prior to its reconstruction in the 1990s and 2000s, the station was ground level with its front building facing the Place du Luxembourg.

It was redesigned as a subsurface-track station to make way for the European Parliament and a pedestrian link between the Place du Luxembourg and Leopold Park.

There, visitors can find many gadgets, such as an impressive augmented reality model of the complex, offering information on the Parliament, its buildings, its history and the famous personalities who came to visit.

The plan also hopes to make the city's railway stations more inter-connected, allowing for easier transfers between Brussels-South, Brussels-Schuman, and Brussels-Luxembourg.