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Please note: Our phone lines will open at 10:00 am on Wednesday 6th November due to colleague training.

Contact us

We're here to help. Whatever you need, there are a few ways to get in touch with us.

Let's start a conversation

Just let us know what you would like help with and we can direct you to the right team. 

Our phone lines are open

Monday to Friday: 9:30am - 5pm

Saturday: 9am - 1pm


General enquiries: 0330 333 4000 

Log in to send us a secure message about:


  • changing your personal details
  • amending or changing a direct debit


Want to discuss a problem with your online account?


Call us: 0330 333 4000

Have a question about a new or existing savings account?


Call us: 0330 333 4000 


Request an email or call back

Complete our online form

Have a question about a new or existing mortgage?


Talk about switching your existing mortgage:  


For new mortgage enquiries: 

For general mortgage questions:


Worried about paying your mortgage or arrears:


If you're calling from abroad, you may wish to use +44 (0)29 2038 2000


Complete an online form

You can complete an online form and we’ll get in touch within 2 working days.

Please remember to not include any sensitive information when completing the form.


Write to us

Principality Building Society 


Principality Buildings


PO Box 89 


Queen Street

Cardiff 


CF10 1UA 


Visit a branch

We have over 60 branches and agencies across Wales and the borders. So, you’ll never be too far from a friendly face. 

Use our branch finder to find a branch near you.

Have you tried our support hub?

Designed to help you find answers to your questions about
 our products and services.

For commercial customers and legal practitioners