Check the Your Clubcard Price on the item hasn’t expired. Check that you have selected the correct size and product as shown in Your Clubcard Prices. Your Clubcard Prices are valid for 7 days and you will receive discounts on new products at 00.00am every Wednesday that are valid until 11.59pm on the following Tuesday.
You should make sure your discount has been ‘unlocked’ before shopping.
For online home shopping, payments are processed on the day your order is delivered/collected, so the Your Clubcard Price must be valid on your day your shopping is delivered/collected. There is no way to get missed Your Clubcard Prices discount retrospectively.