About us

Sustainable and Future-proof real estate
C2N is a specialized consultancy firm based in The Hague, focused on sustainability advisory, Technical Due Diligence (TDD), and project management for real estate.
Since 2004, we have supported institutional investors, governments, asset managers, developers, and engineers in making real estate more sustainable and optimized.We manage renovation, restoration, and new construction projects using an integrated approach, covering both commercial real estate and residential developments. Our strength lies in combining technical expertise with strategic insight to deliver future-proof real estate solutions.
What makes C2N unique?
Thanks to our strong European network, we serve international clients with in-depth knowledge of local markets. Through the unique integration of Transactional Services, Sustainability Services, and Project Management, we guide our clients seamlessly from transaction through implementation.
International Experience
International project management requires extra focus. We prevent misunderstandings by proactively managing cultural differences, regulations, and communication nuances. Thanks to our experience and international network, we ensure smooth collaboration worldwide.
Comprehensive Approach
Sustainability consulting, TDD, and project management all under one roof.
Results-Oriented
Practical, actionable advice with a focus on both returns and sustainability.
Experienced & Innovative
Over 20 years of expertise and a portfolio of award-winning projects.
Our core values
Solution-Oriented and Decisive
Clear, applicable advice without compromising on quality.
Transparency and Integrity
Independent, honest advice with a clear and structured approach.
Collaboration and Respect
Effective cooperation with all stakeholders in complex projects.
Professional and Flexible
Innovative where possible, structured where necessary.
Why choose C2N?
- More than 20 years of experience in real estate advice and sustainability
- Specialist in sustainable real estate, risk analysis and energy efficiency
- Proven track record in commercial real estate and residential construction
- Personal and customer-oriented approach
- International expertise and strong market knowledge
Looking to collaborate?
Looking for a trusted partner in sustainable, future-proof real estate? We’d be glad to assist you.

Sustainability isn’t an add-on – it’s the foundation of any real estate strategy.
True value is created when performance and responsibility reinforce each other.