Office spaces for rent in Brussels for your team
Upoffiz BXL - Sixtie6
from 30 m² - 1,430 m² - ... m²
with bike, car and public transport
facilities
1,641 m² outdoor experience
Your private office in Brussels
The private offices range from 437 m², 1,430 m² or ... m² and are suitable for teams of 40 to 110 people per floor. They offer a flexible and efficient working environment that can grow with your organisation.
Climate ceilings, energy-efficient lighting, ventilation, raised floors, power and data supply, and sanitary facilities.
19 shared meeting rooms ideal for meetings, presentations, brainstorming sessions or training courses and an auditorium with foyer suitable for product launches, keynotes, networking events, etc.
1,641 square metres of green outdoor space with facilities for outdoor meetings and relaxation.
There is a locked bicycle shed and the option to rent underground parking spaces with charging points.
Would you like to learn more about the office options?
Smaller office spaces
The smaller private offices range from 30 m² to 61 m² and are suitable for teams of 4 to 12 people.
You will find desks with office chairs, a presentation screen with ClickShare, and a whiteboard.
A separate enclosed lunch area with a fridge and microwave is available. There is also a dedicated coffee corner.
A secure bicycle storage area is available, as well as the option to rent underground parking spaces with charging points.
Direct access to the outdoor area and shared facilities such as restrooms, lockers, phone booths, meeting and event spaces, the Bar Amelia food bar, and our Upoffiz coaching team.
Want to learn more about the possibilities?
Working at a prime location
Always easily accessible
Upoffiz BXL - Sixtie6 is located in the heart of the European Quarter in Brussels, within walking distance of Schuman Square and important EU institutions such as the European Parliament, the European Commission and the European Council. This prime location also offers excellent connections to numerous important hotspots.
Want to find out more about the prime location?
Shared meeting rooms
You can use no fewer than 19 shared meeting rooms (4–50 people). These are suitable for meetings, brainstorming sessions, pitches or training courses.
Green outdoor environment
The 1,641 m² green outdoor space connects the buildings and provides space for outdoor meetings and relaxation.
The Plectrum
Discover The Plectrum, an intriguing auditorium with foyer suitable for product launches, keynotes, networking events, etc. The Plectrum is centrally located on the site and can be booked via the app.
Foodbar: Bar Amelia
From breakfast to a quick lunch, a delicious cup of coffee or catering for your corporate event: at Bar Amelia, you will find everything delicious and sustainable!
Upoffiz coachteam
Upoffiz's best-kept secret? Its highly motivated team of coaches. The team has only one mission: to take care of everything for you and bring tenants together.
Community activities
Your employees can enjoy community activities organised by Upoffiz. These activities take place during lunchtime or in the evening and enable tenants to meet, inspire each other and share experiences and knowledge.
Campus app
From arrival to departure, Upoffiz tenants and visitors enjoy the ultimate user experience. The My Upoffiz app gives you access to your destination on campus.
Download the brochure
Discover the unique location
Find out more about the office spaces available to rent
What makes Upoffiz so unique?
Proud Upoffiz tenants
*These are tenants of office spaces in our Upoffiz Ghent – Loop5 project.
FAQ – Upoffiz BXL | Sixtie6
- 1. What is Upoffiz BXL – Sixtie6?
Upoffiz BXL – Sixtie6 is a high-end office concept located in the heart of the European Quarter in Brussels. The project offers fully customizable private offices, extensive shared facilities, and a strong focus on sustainability, flexibility, and community.
The site consists of two iconic buildings, connected by 1,641 m² of green outdoor space spread across three levels. More than 900 professionals will collaborate here daily in an inspiring and energizing environment.- 2. Where is the project located and is it easily accessible?
Upoffiz BXL – Sixtie6 is located in a strategic prime location in the European Quarter in Brussels, between Rue de la Loi 64–66, Rue Joseph II 41–47 and Rue des Deux Églises 7, within walking distance of Schuman Roundabout, the European Parliament, the European Commission and the European Council.
Accessibility by public transport
The site is perfectly accessible via:
- Arts-Loi metro station
- Schuman train & metro station
- Brussels Central Station
Accessibility by car and bicycle
The building features an underground parking facility with:
- 62 parking spaces for cars, each equipped with an electric vehicle charging point
- 144 bicycle parking spaces in a secured bike storage area
Additional parking spaces are available in the adjacent Interparking.
- 3. How does the project focus on sustainability?
Upoffiz BXL – Sixtie6 is an energy-efficient and future-oriented project in which ecological and social sustainability are central.
The project aims for a BREEAM Outstanding certification and achieves a WELL Equity Rating, with strong attention to the health, comfort and well-being of its users.
- 4. What makes Upoffiz BXL – Sixtie6 different from other offices in Brussels?
Upoffiz BXL – Sixtie6 offers more than just office space. The concept builds on the success of Upoffiz Ghent – Loop5 and combines high-quality infrastructure with service and community.
The project in Brussels includes:
- Fully customizable private offices
- High-quality shared facilities
- A professional coach team
- An active business community
Within Sixtie6, you also benefit from:
- 16 meeting rooms (4–27 people)
- Boardroom and training rooms (25–50 people)
- The Arena
- The Plectrum: auditorium for 200 people with foyer
- 1,641 m² of green outdoor space
- Bar Amelia (Gault&Millau Belux Catering Award – Sustainability)
This creates a workplace where business, experience and community come together in the heart of Brussels.
- 5. What type of companies is it suitable for?
Upoffiz BXL – Sixtie6 is aimed at:
- Start-ups
- Scale-ups
- SMEs
- Growing and international teams
Ideal for companies that require quality, flexibility and scalability, without compromising on image or comfort.
- 6. Which office spaces are available and are they customizable?
The project offers fully customizable private offices.
- Surface areas ranging from 437 m² to ± 1,430 m²
- Possibility of half floors (Joseph building)
- Private gardens or terraces on selected floors
The offices are delivered casco+ with a high-quality technical base and can be fully fitted out according to your brand identity and operational needs. In addition, Upoffiz BXL – Sixtie6 also offers smaller, fully fitted-out private offices for teams of 4 to 12 people.
- 7. Are smaller office spaces also available for rent?
Yes. In addition to the large customizable offices, Upoffiz BXL – Sixtie6 also offers fully fitted-out private offices on a dedicated floor in the Rue de la Loi building. The offering includes:
- 1 private office for 4 people
- 2 private offices for 8 people
- 2 private offices for 12 people
These offices are available on an all-in basis from €595/seat/month (excl. VAT), including shared facilities, community activities and access to the full range of services provided by the Upoffiz coach team. Ideal for smaller teams looking to get started immediately in a professional, inspiring environment without having to worry about fit-out.
- 8. Which facilities are available for meetings and events?
Tenants have access to:
- 16 shared meeting rooms (4–27 people)
- Boardroom and training rooms (25–50 people)
- The Arena
- The Plectrum: auditorium for 200 people with foyer
- 1,641 m² of green outdoor space
In addition, Bar Amelia provides healthy lunches and professional catering for meetings and events.
- 9. What is the Upoffiz coach team and are there community activities?
The Upoffiz coach team provides a next-level service and consists of:
- Hospitality & Community Coach
- Multimedia Coach
- Meeting & Event Host
- Facility Coach
They provide support with reception, technical questions, event organization and sustainable building management.
In addition, workshops, keynotes, afterworks and sports sessions are regularly organized to stimulate networking, knowledge sharing and collaboration.
- 10. What is included in the rental price?
- Private office (casco+) from 2027: €379/m²/year
- Next-level service & shared facilities: €49/m²/year
- Green outdoor environment: included
- Community activities: included
Parking:
- €2,000/parking/year
- 11. When will the offices be available?
- Loi building: delivery from 2027
- Joseph building: delivery from 2028
- 12. Can I request a viewing?
Yes, you are very welcome to schedule a non-binding tour.
Please contact:
Manon Deneef
📧 manon.deneef@upgrade-estate.be
📞 +32 472 08 26 23
She will be happy to provide further information or schedule a personal visit.
