Phobos, 2025
2025
Phobos
Location
Streetname, Maarssen
Size
25897 m2
Type
Residential
Phobos is a residential building within the Mars sub-area, forming one of two volumes alongside Deimos. Located along the Ruimteweg, Phobos plays a key role in mediating between the existing urban fabric and the new residential landscape.

Building Development
A diverse residential building embedded in the urban fabric
Phobos combines a substantial housing programme with shared facilities, green outdoor space, and strong connectivity. The building is designed to support everyday comfort while contributing to a complete and self-sufficient neighbourhood.
A varied and inclusive housing mix
Shared spaces that activate daily life
Designed for comfort, daylight, and sustainability

our story
Key Milestones in Redevelopment
Our journey
2019
2019
2021
2021
2023
2023
2025
2025
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Gallery



Statistics
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SURFACE AREA (m2)
30K SURFACE AREA (m2)
Residential units provided
450M Residential units provided
total homes
520 total homes

Challenge
Accommodating density without losing human scale
The challenge for Phobos was to integrate a high number of homes within a single building while maintaining liveability and accessibility. The project had to balance density, programme diversity, parking, and shared amenities without compromising spatial quality or neighbourhood character.

Approach
Layering programme, mobility, and community
Phobos is organised through a clear spatial logic that separates private living, shared facilities, and public functions. By combining diverse housing types with communal spaces, bicycle infrastructure, and a strong plinth, the building supports both individual living and collective urban life.
impact
Creating value beyond housing
Phobos contributes to long-term urban quality by strengthening social inclusion, sustainability, and resilience within the Mars district.
Social Impact
Environmental Impact
Economic Impact



