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BREEAM Wst01Industry insight 2025 · BREEAM · BRE Group

BREEAM In-Use and ESG Reporting: Why Construction Contractors Must Track Waste Data

Developer clients are increasingly requiring BREEAM In-Use certification and ESG waste data from their main contractors, creating a data gap that paper systems cannot fill.

Analysis

BREEAM In-Use is the certification standard applied to existing buildings, and it is growing rapidly as institutional investors and occupiers demand sustainability credentials from their real estate portfolios. Main contractors are now routinely asked to supply waste data — diversion rates, material volumes, carrier details, EWC codes — not just for the construction phase, but for ongoing operations. This data feeds directly into client ESG reports and investor disclosures under frameworks like TCFD and GRI. Contractors who cannot produce this data digitally, quickly, and in a consistent format risk losing repeat work to competitors who can. The days of waste data being a back-office function handled by a spreadsheet at project close are ending.

Key points

  • BREEAM In-Use and ESG frameworks require contractor waste data for client reporting
  • Institutional investors and occupiers demand monthly or quarterly waste performance data
  • TCFD, GRI, and GRESB frameworks reference construction waste in supply chain reporting
  • Contractors unable to supply digital data may lose preferred-supplier status
  • Real-time waste data is increasingly specified in main contractor procurement criteria

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