Check the buyer Feedback profile  for > >

Location ( = currently based  in ?) ...  and for ...  

Country of  Registration ... click their > 'Items for sale/View listings' < links to see Seller information in the left column  ... they can often be very different and if registered/situated anywhere outside the UK , (ie. International) it will trigger an additional 20% VAT fee. 

 https://www.gov.uk/guidance/vat-and-overseas-goods-sold-to-customers-in-the-uk-using-online-marketpl...