Maintenance Charge The cost that are incurred by a freeholder for tepairing and mainaining internal and external communal parts of a building which is passed to the leaseholder.Maisonette a property that is arranged over more than one floor, but forming part of a shared property.Mortgage The sum of money which is advanced by a lender that is secured against a property.Mortgage deed The legal document relating to the mortgage lender's interest in the property and containing all terms and conditions of the mortgage.Mortgage Rate This is the rate of interest paid to the mortgage lender dependent upon what mortgage option has been chosen.