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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 membership@cibse.org or on +44 0 20 8772 3650 to reinstate your membership. See www.cibse.org/reinstate for more information.

Affiliate membership gives you:.

  • Access to the Knowledge Portal with unlimited downloads of all guides and publications
  • A free monthly copy of the CIBSE Journal -  the leading magazine for the building services industry.
  • Countless networking opportunities through our regions, special interest groups, societies, and Young Engineers Network (YEN).
  • Free attendance to regular CPD events and webinars
  • 15% off online learning and virtual training courses
  • 50% off hard-copy publications
  • Over 30% off tickets to the Technical Symposium
  • Free assessment of non-accredited qualifications for Engineering Council registration (IEng & CEng)
  • Affiliate membership also acts as a springboard into corporate grades of membership with professional registration, including Licentiate (LCIBSE), Associate (ACIBSE), Member (MCIBSE) and Fellow (FCIBSE). 

Membership Fees
CIBSE Code of Professional Conduct