I've recently managed to agree a reduced settlement with them but obviously when agreeing this, I didn't tell them about the impending sale!
The main point for me was if I could sell THEN pay the reduced amount (thereby avoiding having to loan the money) or if I might be able to "get away" with paying them what I currently pay them monthly.
Looking at the above, best course of action is probably to clear it now and then it's done. Just not ideally what I wanted to do!
Thanks for your help.