Originally Posted by
craigthemif
60k.
Some people have managed an OC6 to NC5 for 30k, which is as you'd expect.
OC6 has 30K additional value than OC5, that is why it is only another 30K to NC5.
I guess for upgrade to only one level up is easier than jumps two levels. Hope the poster have better luck with UK agents and achieve a 2 levels upgrade.