We ship at the best rate possible for the item weight you have purchased. This is irrespective of what country you are buying from. To calculate shipping cost, we simply use the rates provided by Royal Mail, our preferred shipping partner, as these are totally transparent to you as a buyer. You can see the rates we use by visiting the Royal Main website at   https://www.royalmail.com/current-postage-prices  or you can simply download a copy of their current prices,as of 25th March, 2019 by visiting this link - Royal Mail Shipping Costs (pdf, 530.51 KB).