For help with your savings account, or if you have any questions about our savings accounts, please get in touch with our Customer Service Team and we will be happy to help you:

  • Phone: call us on (Freephone) 0808 164 5000, between 9am and 5pm Monday to Friday
  • Email: email us at – please take care not to send us sensitive personal information by email, also please be aware we are unable to accept maturity instructions sent via email
  • Post: write to us at Castle Trust Bank, PO Box 78430, London, N17 1HE.

If you are calling from outside the UK, please call +441256 274986.

Be careful with your personal information

We want to help you keep your personal information safe from fraudsters. You should never send any personal information to us unless you are confident that the contact details you are using are genuine, and relate to a legitimate request from Castle Trust Bank.

If you are in any doubt about the validity of any request you have received, please contact on our published telephone number of 0808 164 5000 and we will be happy to help you.


If you have a query about an existing mortgage please call (Freephone) 0800 652 0008.  

If you're having difficulty in paying your mortgage, find out how we can help.

Our products are only available via authorised financial intermediaries, so please contact your adviser if you would like to find out more about Castle Trust Bank.

If you wish to make a complaint, please let us resolve the issue as quickly as we can. Read our Complaints Procedure.

Your home may be repossessed if you do not keep up repayments on your mortgage. Loans are subject to status, terms and conditions. This website is for information purposes only. If you are in any doubt regarding suitability of our products please seek advice from an accredited independent mortgage adviser.

Your eligible deposits with Castle Trust Bank are protected up to a total of £85,000 by the Financial Services Compensation Scheme, the UK’s deposit guarantee scheme. Any deposits you hold above the limit are unlikely to be covered. For further information about the compensation provided by the FSCS, refer to the FSCS website at

Castle Trust Bank means Castle Trust Capital plc, a company incorporated in England and Wales with company number 07454474 and registered office at 10 Norwich Street, London, EC4A 1BD. Castle Trust Capital plc is authorised by the Prudential Regulation Authority and regulated by the Financial Conduct Authority and the Prudential Regulation Authority, under reference number 541910.

© 2024 Castle Trust Bank. All rights reserved.

This website is for authorised intermediaries only. This information has not been approved for use with customers and is not intended for public or customer use. Please confirm that you are an intermediary before accessing information on this website.

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