CIBSE members belong to a global network of professional support and expertise, working in partnership with other professional bodies, construction, and engineering firms worldwide.
Anyone can become an Affiliate member of CIBSE today and access all the benefits of membership. No matter what stage you are at in your career or which field of building services you work in, CIBSE is here to support you on a day-to-day basis and help you to achieve your professional goals. We offer a range of support services tailored to engineers working towards their Professional Registration with the Engineering Council.
Join as an Affiliate
Thinking about joining CIBSE? There’s never been a better time.
Become an Affiliate member by 31 July 2025 to receive 18 months of membership for the price of 12*. That’s six extra months, completely free.
*Please note that this offer is only open to new members who haven’t previously held CIBSE membership.
Why Join CIBSE?
Member benefits
Renew your membership
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Companies
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CPD
CIBSE members are required to maintain their Continuing Professional Development (CPD)
Find out moreAny questions?
Explore our FAQs pages for more information about how to join CIBSE, the membership types, the application process for professional registration, or other enquiries you might have.
