Switching your mortgage deal online

Important information about switching your deal

  • We only offer our own mortgages
  • There is no fee for using this option to change your mortgage, however, there may be a fee associated with the product you choose
  • By using this option to switch your deal you will not receive advice on the suitability of the mortgage product you choose

Choose options

You will not be credit scored as part of this process.

If you would like to borrow more or change your mortgage term or repayment method, please contact us on 0330 333 4030.

The products you are eligible for are based on the valuation of your property that we currently hold. If you’d like more information please call.


To help us maintain our service and security standards, telephone calls may be monitored or recorded. Your personal details may be used by Principality Building Society to contact you about your application.

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.