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Newcastle Building Society

Switching your mortgage

Using our online service, you can switch your mortgage in minutes.

There's been a problem

9 digit reference number, found on your mortgage maturity letter
For example, 13 02 1991

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The following checkbox is a security feature to help protect you from fraud.

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© Newcastle Building Society. All Rights Reserved. Principal Office, 1 Cobalt Park Way, Wallsend, NE28 9EJ.

Newcastle Building Society is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority.

Newcastle Building Society is registered on the Financial Services Register under the firm reference number 156058.