This Act makes provision about the registration of title to—
unregistered legal estates which are interests of any of the following kinds—
an estate in land,
a rentcharge,
a franchise,
a profit a prendre in gross, and
any other interest or charge which subsists for the benefit of, or is a charge on, an interest the title to which is registered; and
interests capable of subsisting at law which are created by a disposition of an interest the title to which is registered.