Changing your mind

If you no longer want your new credit card, you have 14 days from the day after you receive your card to tell us you want to withdraw from the agreement and cancel your credit card. You need to tell us before the end of the 14 days by writing to Santander UK plc, PO Box 983, Bradford, BD1 9FE or calling 0800 9 123 123.

If you have a balance on your card, we'll let you know how much to pay and how to make your payment. You then have up to 30 days from the day after you notify us to repay any amount you borrowed, along with any interest charged to your account.

Closing your credit card account

If your credit card account is no longer meeting your needs, please get in touch so we can check if we have something more suitable or to close your account. You can do this by:

  • sending us a message using chat in Online Banking
  • calling us on 0800 9 123 123
  • visiting one of our branches.

Financial difficulties

If you’re struggling or falling behind on your payments, we can help. Call us on 0800 389 6655. Lines are open 8.30am to 7pm Monday to Friday, and 9am to 1pm Saturdays. Also, visit our Money Worries page for helpful information and support.

Lost and stolen cards

The simplest way for you to report your card lost or stolen is using our Chat service, more information can be found on our chat with us page. Or, you can click the ‘Chat with us’ icon on the right hand side to get started now. 

You can freeze and unfreeze your Mastercard to block usage if it’s temporarily lost through the mobile app

Or, call us on 0800 9 123 123. Lines are open 24 hours a day, 7 days a week. If you’re abroad please call +44 1512 648 725. International calls will be charged at your standard network rate.

The replacement card will arrive in 4–5 working days, the PIN will arrive separately and can also be viewed in the Mobile App. Cards being sent overseas will arrive in 7 working days.

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