UK Property Law
Get UK Property Law Questions Answered by Experts
Form for what? To register it?
Yes, the appropriate Land Registry form to register the charge against the Title.
It is registered as a restriction because the property is jointly owned.
The charge is only against one person is equitable share and therefore it cannot be a legal charge. I am assuming that the charge is against one of the proprietors and not both
Use form RX1.
Here is everything you need to know http://www.landregistry.gov.uk/professional/guides/practice-guide-19