Sirius A Leiden - Außenansicht gesamtes Gebäude

Sirius A Leiden

Total lettable area

6.234 m²

Type of use



Sirius A Leiden

The fund company’s object was named “Sirius A” after the brightest star in the night sky, in reference to its tenant Airbus Defence and Space Netherlands B.V.. The adjacent neighbouring building, which is not owned by the fund company, is called “Sirius B”. Together, the two buildings form a y-shaped building complex that is connected via a common staircase. The property was completed in 2008 and combines appealing architecture with high environmental standards.

The individual floors comprise underground parking spaces in the basement, the ground floor and four upper floors. On the ground floor there is a spacious reception area with a reception desk and seating for the tenant’s guests. Furthermore, there are meeting rooms and the company restaurant set up for the employees. The upper floors are used as office space. In addition, the property has outdoor parking spaces.

The object is located in the Bio Science Park in Leiden, which lies to the northwest not far from the city centre and the main railway station. With more than 150 companies and organisations at the site, it is the largest life science cluster in the Netherlands. Many companies work closely with the university and the university hospital, which are located in the vicinity of the park.

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Asset manager Paribus Immobilien Assetmanagement GmbH


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Type of property Office and administration building
Address Mendelweg 30, 2333 CS Leiden, Netherlands
Year of construction 2008
Plot size Around 4.369 m² (ground lease)
Total area Building with around 6.234 m² of lettable space
140 parking spaces (104 outside and 36 in the underground car park)
Tenant Airbus Defence and Space Netherlands B.V.


Sirius A Leiden - entrance area with reception
Sirius A Leiden - exterior view
Sirius A Leiden - hallway area to office rooms
Sirius A Leiden - exterior view entrance


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Thomas Böcher, Managing Director of Paribus Holding, Paribus Immobilien Assetmanagement and Paribus Invest
Thomas Böcher

Managing Director

  • Paribus Holding GmbH & Co. KG
Caroline Meeder, Managing Director of Paribus Holding GmbH & Co. KG
Caroline Meeder

Managing Director | In-house Counsel

  • Paribus Immobilien Assetmanagement GmbH
+49 40 8888 00 6-138
Martin Rolle, Managing Director of Paribus Immobilien Assetmanagement GmbH
Martin Rolle

Managing Director

  • Paribus Immobilien Assetmanagement GmbH
Roman Burger, Managing Director Paribus Real Estate Management B.V.
Roman Burger

Authorised Officer | Senior Assetmanager

  • Paribus Immobilien Assetmanagement GmbH