Rule 173 Matters to be taken into account when considering an application for permission
(1)
Permission to appeal shall be granted only where—
(a)
the court considers that the appeal would have a real prospect of success; or
(b)
there is some other compelling reason why the appeal should be heard.
(2)
An order giving permission may—
(a)
limit the issues to be heard; and
(b)
be made subject to conditions.