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SLL Guidance and Subscriptions

Guidance Notes
Guidance to applicants for election and transfer
Critical Report Guidance
Professional Review Statement Guidance

Application Dates

The deadline for applications for AMSLL and MSLL to be received will be by Midday on the following Mondays. 

  • 22nd January 2024
  • 19th February 2024
  • 18th March 2024
  • 22nd April 2024
  • 20th May 2024
  • 24th June 2024
  • 22nd July 2024
  • 19th August 2024
  • 23rd September 2024
  • 21st October 2024
  • 18th November 2024

They will be sent to the Membership Review Panel during this week and we will try and confirm your application is successful within a month. 

Affiliate membership and FSLL are reviewed on an ad-hoc basis, Please allow a month for these to be reviewed. 

Subscription Fees

All subscription fees run on an annual basis from 1st January to 31st December each year. Fees are not dependent on the date of joining and therefore not prorated. 

Fees due when applying for membership

All SLL Affiliates, Associates, Members and Fellows will automatically become CIBSE Affiliates if they are not already a member of CIBSE see Subscription Fees | CIBSE. You will be invoiced on successful application of your membership.

If you are applying to upgrade your membership, your current subscription fees must be paid in full for your membership to remain active. Once the application has been approved, you will be charged for the remaining amount associated with your new grade of membership.

Membership Grade Application fee* Subscription Rates Supplementary Costs
Student - full time - Free for duration of course  Free
Student - part time - £46 Free
Affiliate Free online £153 Free
Associate Member £27 £153 £10
Member £27 £153 £20
Fellow £27 £153 £30

 *Application fees are payable by all applicants who do not hold an active membership of CIBSE and are non-refundable

Please note, if you are an existing member of CIBSE, you can become an Affiliate of the Society of Light and Lighting for no additional cost. Please email if you would like to join as an SLL Affiliate. 


All annual subscription fees are due for renewal on 1 January. For information on how to renew your membership, please see Renewing Your Membership | CIBSE or email SLL.  

Reduced Subscription Rate

A reduced subscription rate is available to renewing members who meet the criteria listed at Reduced Subscription Rate | CIBSE.

Members who hold Engineering Council registration must pay an additional annual registration fee. The reduced fee is not applicable for Interim CEng or IEng registration.

For more information about reduced CIBSE annual subscription fee, the application form and the reduced Engineering Council registration fees see Reduced Subscription Rate | CIBSE.

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