Material Circularity Focus: This database tracks physical material reuse — concrete slabs, steel beams, brick, timber, windows, and fixtures recovered from donor buildings and integrated into new construction. We document quantities (tonnes, m²), donor sources, and processing methods.
CBC Four Pathways: Projects are assessed using the Circular Buildings Coalition framework:
Build Nothing New Build for Long-term Build Efficiently Build with Right Materials
Data Tiers: Tier 1 projects have deep-dive documentation (budgets, material breakdowns, stakeholder interviews). Tier 2/3 projects have standard documentation from public sources. All data is cited with URLs.