You will find the promotional entry code box on the checkout page, underneath the basket overview. To apply the discount, enter the promotion code into the designated field and click 'Apply'. The total price displayed at the checkout is inclusive of discount (where applicable). Discounts and promotional codes do not apply to delivery charges unless otherwise stated.
Please see specific terms for each offer or promotion, however, unless specifically stated, promotional codes will not be valid if you hold an account that already has a discount, such as professional and staff accounts.