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Affiliate Grade

Are you interested in innovative, energy efficient buildings and making those buildings work? Then join CIBSE today as an Affiliate member and become a part of the solution to the threat of climate change and pioneering improvements in energy efficiency.  There are no entry qualification rules at this grade.

Join online as an Affiliate today

If you have previously held Affiliate membership with CIBSE, please contact the Membership Department at or on +44 0 20 8772 3650 to reinstate your membership. See for more information.

Affiliate membership gives you:

  • Access to CIBSE's renowned Best Practice Advice. CIBSE is the recognised standard setter and authority on Building Services Engineering and energy efficient buildings.
  • Member only access to the CIBSE Knowledge Portal with free unlimited downloads of all CIBSE publications.
  • Networking opportunities and knowledge sharing with other members and employers all over the world
  • A free monthly copy of the authoritative CIBSE Journal.
  • Monthly Newsletter to keep you up to date with what's going on at CIBSE and throughout the built environment.
  • Free membership of special interest groups.
  • Support for Continued Professional Development (CPD) through our training, events and online learning modules.
  • Affiliate membership can also be a springboard to becoming a professional membership of CIBSE and can help you develop your career to its maximum potential.
  • Valuable discounts on CIBSE events, conferences and training courses.

Membership Fees
CIBSE Code of Professional Conduct