Leiden University is constructing a new building for the Faculty of Science in three phases, featuring state-of-the-art research and teaching facilities. The second phase was completed in 2024 and includes, among other things, a stunning entrance with a mathematical touch. With this development, the faculty has established a visible presence at the Leiden Bio Science Park.

Phase 1 (2013-2016)

The first phase of the Gorlaeus Building has a gross floor area of 46,000 m2. A booklet has been created about the first phase: Gorlaeus Building, unlimited possibilities. 

Phase 2 (2017-2024)

In Phase 2, the central main axis was completed and three new side wings were added to the building, completing its distinctive comb-shaped layout. Shared facilities were also introduced, including a brasserie, a bar and a library.

The new main entrance, featuring a striking canopy with a Voronoi pattern, now enjoys a prominent position right on the campus square. Together with the iconic lecture hall building, the Gorlaeus Building now forms the 'face' of the faculty.

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Phase 3 (2025-2028)

The Gorlaeus Building will be completed by expanding on the side of the building where the LMUY building is situated. Currently, research is being conducted on the most sustainable way to proceed here, through the demolition or renovation of the LMUY building. 

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