Will I have to pay VAT when I order at Thonk? A Will I have to pay VAT when I order at Thonk? No, because the UK has now left the european single market. EU customers will no longer pay VAT to Thonk on checkout. Post navigationPrevious post: Oh Thonk! How could you let Brexit happen?Next post: Will I have to pay customs charges and VAT when I receive my Thonk parcel?