A.1. Development is not permitted by Class A if—
(a) the solar PV or solar thermal equipment would protrude more than 200 millimetres beyond the plane of the wall or the roof slope when measured from the perpendicular with the external surface of the wall or roof slope;
A.2. Development is permitted by Class A subject to the following conditions—
(a) solar PV or solar thermal equipment shall, so far as practicable, be sited so as to minimise its effect on the external appearance of the building;
(b) solar PV or solar thermal equipment shall, so far as practicable, be sited so as to minimise its effect on the amenity of the area;