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Membership FAQs

Why join CIBSE?
Have a look at CIBSE’s Membership Benefits which include unlimited access to the Knowledge Portal, a subscription to the CIBSE Journal, discounts on publications and events, professional recognition of your qualifications, opportunities for CPD, and countless networking opportunities. You can become a part of the solution to the threat of climate change and pioneering improvements in energy efficiency.

How do I join CIBSE?
Have a look at our various Membership Grades to determine which is the most suitable for you. Each grade details out the various requirements for joining.

What Grade of membership is for me?
If you are unsure about the grade that you should be applying for, please check the competence criteria that are associated with each of our corporate Membership Grades

I’ve got a general interest in building services, but not the experience/qualifications to be fully qualified – can I still be a member?
Anyone can join CIBSE as an Affiliate member. There are no entry requirements for this grade and you will be able to receive all of the great benefits of membership. Have a look at our benefits and join today!

How do I upgrade my membership?
If you are currently a CIBSE member and want to upgrade, please have a look at our Membership Grades page which includes details on the requirements for each grade. Please note there is no application fee required if you hold active membership.

I’m in the process of applying and want some help and advice
For sample engineering practice reports and development action plans, please see our Help for Applicants page. We also run Membership Application Workshops focusing on ACIBSE & MCIBSE applications, webinars and offer draft application reviews across the UK in our phone surgery appointments. If you want some advice on the content of your application, you could also ask your sponsor for advice. 

I have submitted my application but haven’t heard back regarding my interview
If you are based in the UK, interviews are held twice yearly during the months of April/May, and October/November. If you have received a letter asking for your dates of availability then your interview is currently being arranged.

How do I get professional registration with the Engineering Council?
As a licensed body of the Engineering Council, CIBSE facilitates the Registration process. We may nominate those who are appropriately qualified and professionally competent for EngTech, IEng, and CEng registration. Each of these levels of registration are aligned with one of our Membership Grades. Find out more about applying for Professional Registration.

How much does it cost to join?
CIBSE offers varying fees depending on the Membership Grade that you are applying for, please see our Subscription rates and fees for a comprehensive list.

Who do I contact if I have a question?
You can submit an enquiry to our membership team - please email We will endeavour to respond as soon as possible.

I'm suffering hardship - can you help with my membership fees?
Please see our details of our reduced subscription rate here.  

I am a CIBSE member and require proof of membership, how do I obtain this?
CIBSE no longer issue membership cards however proof of membership can still be obtained in the form of a membership certificate and for corporate members with Engineering Council registration a membership letter. Please either contact CIBSE vie telephone on 0208 772 3650 or email to request proof of your CIBSE membership.

My membership has lapsed how do I reinstate?
If you were a CIBSE member at any grade of membership and your membership has now lapsed you can reinstate by making payment of the fees currently on your record. If your membership lapsed this current subscription year you can issue payment by accessing your CIBSE members area on the website or by using once of the payment methods detailed above. If your membership has been lapsed for longer than a full subscription year please contact CIBSE direct on 0208 772 3650 or

I have not received my copy of the CIBSE Journal recently.
If you have not received your CIBSE Journal recently please contact our Communications and Marketing department on 0208 772 3697 or email

How do I update my personal details?
If you have recently moved home, changed jobs or have any other type of personal contact information you would like to update please either access your CIBSE members area on the CIBSE website and update your details or contact the Membership Department on 0208 772 3650 or email