Insights
The standards, methods and thinking behind circular lighting.
Short reads from the workshop, the audit and the standards committees — written for the people making lighting decisions on real estates.
Fluorescent lamp ban UK: what happened, and how to upgrade to LED
The GB dates as they actually stand, the February 2027 metal halide and sodium deadline, and the three honest options for replacing fluorescent lighting.
Read article →TM65: How to report on embodied carbon effectively
What CIBSE TM65 and TM65.2 measure, how they compare to EPDs, and how we use TM65.2 evidence in the Lighting Decision Audit.
Read article →TM66: Measuring whether a light fitting is actually circular
What CIBSE TM66 and CEAM-Make measure, how the circularity score works, and how the DfR Panel scores against it.
Read article →BS 8887-221:2024 — the standard for remanufactured lighting
What the first British standard for luminaire remanufacture covers, why it matters, and how EGG — a contributor to the standard — works to it.
Read article →BS 5266-1:2025 explained — what the emergency lighting revision changes
Wider scope, five-year photometric verification, and a heavier evidence burden — what the 2025 revision means for the responsible person.
Read article →The true conspiracy of planned obsolescence
Brian O'Reilly on where planned obsolescence came from, where it went wrong, and how designing for reuse and remanufacture puts it right.
Read article →Justification for Remanufacture in the Lighting Industry
The 2021 paper co-authored by EGG Lighting and the University of Strathclyde — the technical, economic and environmental case for remanufacture, before there was a British Standard.
Read article →Conversation, not tender
Start with a conversation.
No tender process required. No sales pressure. A straight answer about what your estate is worth.