Given its immense ecological footprint and impact on human wellbeing, the built environment is a key leverage point in achieving the goals put forward in the Paris Agreement as well as many other sustainability objectives.

Together we are leading the way to a circular built environment.

Six winners of 2025 Open Call!

CBC is thrilled to announce the six winners of the 2025 Open Call! Congratulations to La Rue, ERFMI, Ressurssentral, Material Index, Circue Aps, and Biesmans Group!​We are happy to see this space in the industry deepening and broadening and are excited to see how the winning projects will evolve!​
Read about the projects here

Our events

Upcoming events
September 25, 2025
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Sep 25, 2025
CBC 2025 Open Call Winner Presentation
Join our webinar! 25th September 15-16 CET. This hour offers exclusive insights into the six winning projects of the CBC 2025 Open Call. Tune in to hear from front-running solutions in the circular economy - looking forward to seeing you!
Register

Resources

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Building Confidence
A deep-dive into risks of using secondary construction products and the potential role of insurance for reuse

Our new paper: Building Confidence, dives into the perceived risks of using secondary construction products, highlighting how traditional insurance—designed for virgin materials—creates ambiguity and deters their adoption. Despite huge potential CO2 savings (4.4–12.6 Mt in Europe by 2050) and upcoming EU regulations driving demand, the 'insurance issue' remains a key barrier.

This report explores these risks across the value chain, examines current mitigation strategies, and proposes collaborative pathways for insurers to clarify policies, support vital standardization, and develop innovative products to mainstream reuse in construction.

Read here
Explore
Just Transition to Circular Construction in Europe

This briefing outlines the barriers and measures that need to be considered when designing policies for a just transition in the EU’s construction industry. It is intended for social partners—including trade unions and sectoral branch organisations—governments, and other institutions in the EU. The briefing dives into two of the circular building pathways from the Circular Building Coaltion’s 2024 Four Pathways Report: 1) Build with the Right Materials; and 2) Build Nothing. These pathways are explored alongside their regulatory and market-level drivers, barriers and the measures needed to safeguard workers. 

Read here
Explore

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