We are finally in the top three biggest currencies in terms of market capitalization. (coinnoob.com)
EOS seems to be doing pretty well even though lots of big currencies out there are dizzily dropping. (globalcoinreport.com)
To start with, you are right, there shouldn't be any additional fees other than the currency exchange fee - I'm not sure of the exact fee for Natwest, but for Halifax this was around 2.5 % for big currencies like the Euro. (money.stackexchange.com)