Preifatrwydd a Diogelwch

We are committed to protecting your privacy and ensuring that any personal information provided by you is secure.

In this section you can find out more information on data we collect, why we collect it and ways in which we keep that information safe.

If you have any concerns or queries about your privacy and security, please call us on 0330 333 4000

Alternatively, you can write to us: 
Customer Contact Centre
Principality Building Society
PO Box 89
Queen Street
CF10 1UA


  • If you have any questions or comments, or want more information, you can call us. See our Contact Us page for more details. Or you can contact our Data Protection Officer as follows. Email: or Post: Principality Data Protection Officer, Principality Building Society, Principality House, The Friary, Cardiff, CF10 3FA.

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