You can enter your coupon or discount number in the 'Enter a coupon code' field which is to the left when you are in the checkout page.
Once you have entered the coupon/discount code just press submit
Once submitted - you will see the sub-total change as the discount is applied.
**Please note that discount codes do not apply to following categories on the site - Furniture, Stamps, Ink & toner & Technology are excluded.
All discount codes can only be applied at point of sales i.e at the checkout page. Vouchers codes cannot be applied once the order is process and a confirmation email received
Coupon codes can only be used once unless otherwise stated**