Contact Customer Services and request that your USA registered account is transferred to the UK site using this link > https://www.ebay.co.uk/help/home
... then check that the Addresses and other details filed in your eBay account details are correct >
My eBay > Account > Personal information > Addresses > Edit >
https://accountsettings.ebay.co.uk/
https://www.ebay.co.uk/help/account/changing-account-settings/changing-account-settings?id=4193
https://sellercentre.ebay.co.uk/selling/getting-started .... << then start here
