Contact us

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:  

• Call us: 0330 333 4030
• You may also be able to switch your mortgage online

For new mortgage enquiries: 

• Call a mortgage expert: 0330 333 4002
• Complete an enquiry form to arrange a call back with a mortgage expert

For general mortgage questions:

• Call us: 0330 333 4000

Worried about paying your mortgage or arrears:

• Call us: 0330 333 4020 

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.