ISO 21929:2019

ISO 21929-1:2019 – Sustainability in buildings and civil engineering works – Sustainability indicators – Part 1: Framework for the development of indicators and a core set of indicators for buildings

ISO 21929:2019 is an internationally recognized standard developed by the International Organization for Standardization (ISO) that outlines a systematic approach to defining and using sustainability indicators in the built environment. The standard offers:

1. A core set of sustainability indicators for buildings
2. A framework for customizing project-specific metrics
3. Guidance on evaluating life cycle performance of construction
4. Criteria aligned with environmental responsibility, resource efficiency, and social equity

This standard is essential for stakeholders seeking to demonstrate sustainability commitments across the building lifecycle—from design and procurement to construction and use.

🌱 For Project Owners & Developers

1. Clear benchmarks to evaluate sustainable performance
2. Demonstrate alignment with client, investor, and public expectations
3. Enhance brand reputation through verified sustainability practices

📊 For Engineers & Planners

1. Consistent, standardized metrics to inform planning and design
2. Ability to integrate sustainability into lifecycle assessments
3. Improved stakeholder collaboration through shared frameworks

📋 For Compliance & Reporting Teams

1. Credible documentation for ESG, CSR, and regulatory filings
2. Supports third-party certifications like LEED, BREEAM, IGBC
3. Reduces risk by following globally accepted norms