If it goes to court, make sure that either you or your counsel, *insist* on the production of the original mortgage deed. That could be the key: if you don't ask, you don't get.(posted 8445 days ago)Some lenders don't seem to have some mortgage deeds.
If the lender cannot produce the original mortgage deed, and you can show that you asked to see it in the pre-lit negotiating stage, things could be rather awkward for the lender.