Contact Us

Existing customers can get in touch by logging in and sending a secure message.

Mon to Fri: 9:30am - 5pm
Saturday: 9am - 1pm

General enquiries:
0330 333 4000 *

New mortgage enquiries:
0330 333 4002 *

Renewing the rate on your existing mortgage:
0330 333 4030 *
You may be able to switch your mortgage deal online.

Arrears or if you are in financial difficulties:
0330 333 4020 *
Monday to Friday: 9:30am - 5pm only

You can find out more by visiting our Customer Support pages.

*Calls to this number are part of inclusive minutes from mobile and landline packages.

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

To help us maintain our service and security standards, telephone calls may be monitored or recorded.

Online Form
If you have a general enquiry you can get in touch by completing our Contact Us Form.

You can write to us at:

Principality Building Society
Principality Buildings
PO Box 89
Queen Street
Cardiff
CF10 1UA

We have more than 65 branches and agencies across Wales and the Borders. That means you’ll never be too far away from a friendly face.

Use our Branch Finder to find a branch near you.