We are delighted that you are considering reinstating your CIBSE membership.
Reinstating your CIBSE membership reconnects you with the leading global institution in building services engineering - a hub of technical expertise, professional recognition, and career-boosting opportunities. Without membership, you’re missing access to cutting-edge best practices, thought leadership, and a global network of industry professionals that keep you informed and ahead of the competition.
If your membership has lapsed, the process to reinstate is simple, and we are here to help every step of the way.
Rejoin today
Reconnect with your CIBSE membership today.
Learn more about the reinstatement process below.
Why reinstate your membership?
By reinstating your membership, you will regain:
- Recognition and professional status – maintain your professional credibility and edge
- Access to exclusive resources – As a member you get 20% off on all CIBSE training and CPD materials and resources
- Networking and career growth – connect with professionals across the globe, attend events and expand your opportunities
- Support your career – no matter at what stage of your career you are at, stay informed on the latest trends and best practices in the industry
Reinstatement requirements by Member grade


Lapsed less than 12 months
Applicable for all Corporate grade members i.e. Licentiate, Associate, Member and Fellow

Lapsed over one, but less than three years
Applicable to all Corporate member grades i.e. Licentiate, Associate, Member and Fellow

Lapsed three, but less than five years
Applicable to all Corporate member grades i.e. Licentiate, Associate, Member and Fellow

Lapsed over five years
Applicable to all Corporate grade members i.e. Licentiate, Associate, Member and Fellow