Zandkasteel, Office complex in Bijlmermeer, Netherlands.
Zandkasteel is an office complex in Amsterdam-Oost with eight floors arranged in an S-shaped formation, featuring hexagonal floor plans connected by lower structures that avoid straight angles. The building spans about 4,000 square meters and currently provides rental spaces for offices and events.
The structure was completed in 1986 by architects Alberts & Van Huut and initially served as headquarters for ING Bank. Its designation as a municipal monument in 2017 recognized its contribution to organic architecture in the Netherlands.
The name comes from its sandy-colored exterior and organic shapes that resemble natural formations rather than typical office buildings. This approach to design shows how commercial spaces can break away from conventional geometric patterns and embrace more flowing forms.
The building sits about three minutes' walk from BijlmerArena station and is easily accessible by public transport. Visitors can explore the organic forms from outside and may walk through the lobby to appreciate the architectural details.
The building earned its playful name from its sandy-colored exterior and resemblance to sandcastles, an unexpected choice for a modern office complex. This whimsical concept reflects the architects' creative approach to designing a commercial structure.
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