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Cardiff Council

How to join a library

​​​​​​You can now join the library online.

Please click Join the Library​​​​​​​​​​​​​​​Link opens in a new window, which appears as an option on our catalogue​​​​​​​​​​​​​Link opens in a new window. ​

At a later date, a physical library card can be arranged.​

It's free to join our libraries. You can borrow books and use the computers for free, but we charge for other services like borrowing CDs and DVDs. You can borrow up to 15 items at a time from any location.


To join, visit one of our libraries and show one form of identification. This could be a: 

  • Driving licence
  • Credit or debit card
  • Utilities bill
  • Benefit card or book
  • Bank or credit card statement
  • Passport
  • NUS or student ID card, including International Student Identification Card (ISIC) and International Youth Travel Card (IYTC)


If you're already a member of another library service in Wales, England, or Northern Ireland, you can join Cardiff Libraries by presenting your existing valid library card. 

Under 16s

If you are under 16 your parent or carer will need to show one form of ID and sign the application. ​


Babies can join as soon as they’re born! Find out about Bookstart and Baby Bookcrawl from any library. Babies love books, so more and more are coming to our Rhymetimes. Check out the date of the next session by contacting your local library. 


If you haven't quite finished with the item that you have borrowed you may be able to renew it, as long as it hasn't been reserved by someone else. You can renew the book by:



Don't forget, you'll need your library card and PIN if you’re renewing online. If you have forgotten your PIN contac​t us.

Overdue items

If you forget to bring your item back on time you will have to pay a small fine. Check library fines and charges for the latest information. There are no fines on children’s books but please get them back to us as close to the due date as you can. 

Help to use the computers 

If you are not confident using computers just ask a member of staff to help you get started. We also provide a wide range of daytime and evening classes, to help you improve your computer skills. Ask at your local library for details.