In order to review what you have bought, there are several ways in which you can check. All the links are highlighted in the image below.
Hovering over this button allows you to quickly check what you have added to your cart. From here you can either View Cart or head straight to Checkout.
Before proceeding to checkout, Calculate Shipping within the Basket page.
Just input your details into the relevant boxes, and then click on Update Totals. It will automatically calculate the shipping for you and add it to your basket.