- Learn with confidence
The built environment never stands still.
From changing regulations and emerging technologies to sustainability and best practice, staying current is essential.
Affiliate membership gives you access to trusted technical knowledge, professional guidance, publications and industry insights that help you make informed decisions, broaden your expertise and remain confident in an evolving profession.
- Belong to a professional community
Professional growth doesn't happen in isolation.
As an Affiliate Member, you'll become part of a global community of professionals committed to improving the built environment.
Through CIBSE's special interest groups (SIG’s) and Societies, networking events and technical communities, you'll have opportunities to exchange ideas, learn from experienced professionals, build valuable relationships and become part of conversations shaping the future of the industry.
Membership isn't simply about joining an organisation - it's about belonging to a profession.
- Build your professional credibility
Demonstrate your commitment to professional excellence and continuous development.
Affiliate membership shows employers, colleagues and clients that you're committed to staying informed, developing your expertise and maintaining high professional standards.
You'll also receive discounted access to CIBSE training, CPD opportunities, events and technical publications, making it easier to continue investing in your professional development throughout your career.
- Build towards what's next
Every career develops differently.
Whether your ambition is to broaden your knowledge, expand your professional network or work towards Professional Registration in the future, Affiliate membership provides a strong foundation to support your next step.
Limited time offer
Receive 18 months of Affiliate membership for the price of 12
Join before 31 July and enjoy six additional months of membership at no extra cost.
That's six more months to access trusted knowledge, build professional connections, continue your development and be part of a community shaping the future of the built environment.
Offer available to new Affiliate Members who have not previously held CIBSE membership.
Frequently asked questions
Graduates, early-career professionals, and individuals working in related fields who are not yet fully qualified engineers or simply those who are interested in knowing more about building services engineering.
The annual subscription for Affiliate membership is £165.
No, that this grade of membership does not offer the use of any designatory letters.
Journals, technical guides, webinars, and exclusive member events.
Yes, Affiliate Members can participate in CIBSE Societies to connect with experts and explore specialised interests.
The application process to become an Affiliate member of CIBSE is simple and can be completed online:
- Complete the online application - Fill out the Affiliate membership application form on the CIBSE website. No formal qualifications are required.
- Submit payment - Pay the annual membership fee securely online.
- Instant access - Once your application and payment are processed, you will receive immediate access to CIBSE member benefits, including the member discounts, Knowledge Portal, CIBSE Journal, and networking opportunities.
Access to industry resources, networking opportunities, career development support, and involvement in CIBSE Societies.
Membership fees across all member grades help:
- Support the creation, maintenance, and distribution of a wide range of technical resources, publications, standards and other resources that make up our Knowledge Portal.
- Contribute to the organisation of our events, conferences and various networking opportunities, which our members attend at discounted prices.
- Fees help develop career development services, that include mentoring programs, job listings, career guidance, etc.
- Support educational initiatives such as scholarships, awards and grants.
- Maintaining our various special interest groups which provide the opportunity for engagement, collaboration and collective thinking, learning and debate.
- To maintain our quality of service and product offerings, fees support in the development of new products and resources, where we try and advance the discipline of building services engineering through research and development.
Yes, Affiliate members of CIBSE can upgrade to a higher membership grade if they meet the eligibility criteria for that grade.
Opportunities for professional development, networking, and gaining industry recognition.
Once you submit your online application for CIBSE Affiliate membership, you receive instant access to all CIBSE membership benefits. This means you can start enjoying exclusive resources, networking opportunities, and discounts right away.
