Paragraph A Permitted development
Development by or on behalf of the Historic Buildings and Monuments Commission for England, consisting of—
(a)
the maintenance, repair or restoration of any building or monument;
(b)
the erection of screens, fences or covers designed or intended to protect or safeguard any building or monument; or
(c)
the carrying out of works to stabilise ground conditions by any cliff, water-course or the coastline;
where such works are required for the purposes of securing the preservation of any building or monument.