5. An appeal under section 71(3) of the Act (where the relevant authority decide otherwise than in the complainant’s favour), may be made on either of the following grounds—
(a)that the relevant authority could not reasonably conclude that the height of the high hedge specified in the complaint is not adversely affecting the complainant’s reasonable enjoyment of the domestic property so specified;
(b)that, having concluded that the height of the high hedge specified in the complaint is adversely affecting the complainant’s reasonable enjoyment of the domestic property so specified, the authority could not reasonably conclude that no action should be taken with a view to remedying that adverse effect or preventing its recurrence.