From the figures you set out above, there was a £500 gross surplus achieved on the sale of the property (save for costs incurred), and that assumes it was an interest only mortgage (was it ?)(posted 8355 days ago)Personally, I would be fascinated, as I am sure others would who regularly visit this site, to know how a £500 surplus becomes minus nearly £20,000 (twenty grand)?
Have Eagle Star provided you with this essential information ? Please also inform us who your lender was.
Personally I wouldn't pay them anything further until they provide the information to prove the debt is genuinely due - to your satisfaction !
Stand your ground !