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Why Join CIBSE?

CIBSE members belong to a global network of professional support and expertise, working in partnership with other professional bodies, construction, and engineering firms worldwide.
No matter what stage you are at in your career or which field of building services you work in, CIBSE membership is here to support you on a day to day basis and help you to achieve your professionals goals.

Join Now - Select the appropriate entry grade below

Affiliate Membership

There are no entry qualification rules at this grade and you will get instant access to the full list of member benefits below. (£142 per annum). Apply Now

Graduate Membership

For those who have completed an engineering degree within the past 10 years and are planning to work towards the Associate or Member grade. (£113 per annum). Apply Now

Student Membership

Those studying full-time can access all benefits for free, or at a significantly reduced rate if studying part-time. (£42 per annum). Apply Now


We also have Licentiate, Associate, Member and Fellow grades which are based on your level of competence and experience. For further information on these grades, please visit 


We Empower

CIBSE empowers its members through the sharing and dissemination of knowledge and training. We enable people to access the skills and knowledge they require to fulfil their potential.

We Inspire

We inspire our members to strive for better and safer building performance. We encourage committed people, from every background, to join our community.

We Champion

Membership acknowledges and accredits expertise so those who are competent can be recognised widely and reliably. We celebrate the skills and experience of our members, raising their profile and giving prominence to the best engineers who value good building performance.

  • Work your way up through a variety of membership grades and levels of professional registration

  • Designatory letters to show your professional status

  • Free assessment of non-accredited qualifications for Engineering Council registration

We Lead

CIBSE is leading the conversation on equipping the built environment for a changing climate. We are a trusted authority on the present and future challenges facing the built environment.

Together #WeAreCIBSE