Help needed with adding to an existing balance transfer

jimbowen_2

I currently have a balance with barclaycard which is on 0% until June 2014. I have also have a balance which is at 15% with another card and want to move it to a better deal. I have been offered 0% on balance transfers until June 2015 on my existing barclaycard but is this a bad idea.
When the first deal runs out will that balance be trapped by the new deal e.g will the new deal prevent me from transferring the the higher interest rate balance. Am I reading to much into this? Is it a simple case that when the first deal runs out I transfer the amount remaining at the higher interest rate to a new deal. Do your statements make it clear what how much is on each rate?

YorkshireBoy

You're making it much more complicated than it is.

Make the BT.