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The Chartered Institution of Building Services Engineers

Registered charity 278104, on the register since 19 November 1979. The 1,576th largest charity in England and Wales by income.

What it says it does

CIBSE publishes authoritative, internationally recognised Guidance and Codes and sets the criteria for best practice in building services engineering, with particular emphasis on the response to climate change. CIBSE accredits courses of study in further and higher education, approves work-based training programmes and provides routes to full professional registration.

In the charity's own words, as filed with the Charity Commission.

Its causes

Education/trainingEnvironment/conservation/heritage

Where it works

It names no single council area: it works across England and Wales, or further.

Check it yourself

Its entry on the Charity Commission register · its own website

Figures are the latest the charity has reported to the Charity Commission, current to 27 September 2026. How this site works.