I don't think anyone over there would call them anything but pekin, as they are just so similar. The legs are the only difference I can see with the naked eye. The legs are much shorter on the pekin.
Cochin
Pekin
http://pekinclub.backyardpoultry.com/
also on this website, the front page has a picture of a lavender cuckoo pekin - which looks very similar to our version of blue barred. Thing is - lavender here is really called Self Blue in the standards. I don't use the lavender term at all. I've been...
Did you know Cochins (Pekins) were used to make the Orp? Probably why it looked so similar to you. Orps look a lot like cochins without feathered legs (and with more of a tail), but orps have white/pink legs and feet, and cochins have yellow (under the fluff).
Yes, large and bantam.
Blue Barred is a project colour. You could attempt to make it over there with your own stock - though not sure how. nicalandia would be who you would ask how.
I've ended up with ghost barring (white with light cream barring) but never anything as cool as blue barred...