To update new card details, please continue to check out as normal by adding items to your basket. Once you have selected your delivery or collection options you will be directed to 'Order review and payment' where you can enter your new card details and select 'Save this card’ to use it for future payments.
To remove expired card details, please log in to your Waitrose account and follow the steps below:
Click the ‘My Account’ icon in the top right corner of the page
Click ‘Payment details and billing information’
Then click ‘Delete payment card’ for the card you wish to remove
This will remove the saved card details from your account.