For help call us on
0330 333 4000
This could be your maiden name or a previous married name.
There may not be an exact match to your occupation - please enter the closest category
You must be aged 16 or over to apply for this account.
HMRC require this for all customers with an ISA account
Please give us your existing savings or mortgage account number so we can match
up your accounts and enable you to see all your accounts online. Your account number
can be found on your passbook, certificate, or statement.
We may need to contact you about your application. Please give us at least one contact
number (including code).
Find your address by entering your postcode and choose from the list shown. If you do not know your postcode, or if your address cannot be found using the postcode search, please enter your address here.
Please enter your house name, house number or flat number
e.g. Village or suburb if you have this in your address.
As you have been at your current address for 3 years or less, please enter your previous address details below:
As you have been at your current and previous address for 3 years or less, please enter your previous address details below:
YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE
Principality Building Society is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and Prudential Regulation Authority, Authorisation Number 155998. Principality Building Society, Principality Buildings, Queen Street, Cardiff, CF10 1UA.