Only small problem being I'll have to do them all again plus a little bit more to get ATPL theory should I need that, which I probably will in future to have any real hope of a job in the EU - although on paper a EASA CPL/MEIR should suffice, and I'll just be stuck right seat for the rest of my life, never getting a command.
No you won't. You are not eligible for any job in a multi crew environment without an ATPL exam pass.