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Tuesday, 11 August 2026 · LondonENع
Rayan Azhari.Sustainability · Energy · Carbon · Built EnvironmentOccasional detours into philosophy, religion or programming, wherever curiosity leads
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Article 10: Time to Retire ECG-19? Updating Office Benchmarks With Evidence From 6,000 Greater London Buildings

A series mining the PhD thesis London and UK Office Buildings (Azhari, 2025). Key takeaway. The UK mainstream office benchmarks ECG-19 and CIBSE TM46 rest on a 1992 study, and the Greater London data shows actual offices nowhere near those values, so a refresh is overdue.

By Rayan Azhari · 9 min read · Essays
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