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Built Environment

BS 40104: The New Standard for Retrofit Assessment

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Supporting quality and consistency in domestic retrofits

Introducing BS 40104:2025 at Net Zero Week, risk-based retrofit assessments ensuring consistency, quality and best practice in UK housing.

Aligned with and expanding on PAS 2035.
Comprehensive guidance on detailed retrofit assessment.
Supporting safer, healthier and more energy-efficient homes.
Clear use cases for assessors, coordinators, manufacturers and specifiers.

Insights & Media

Browse our resources to stay ahead of developments in net zero

Our blogs, insights, webinars and resources will help you understand and stay current on net zero challenges, trends and advances.

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Setting The Foundations For a Sustainable Beauty and Cosmetics Industry

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Collaborating on the Journey to Net Zero

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Building Trust in Circularity in the Built Environment

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IEC General Meeting 2024 Impact Report

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Achieving excellence with our quality and safety certifications

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Achieving Sustainability Goals with BIM

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