Duration of planning permission
61.—(1) Subject to this section, every planning permission granted or deemed to be granted shall be granted or, as the case may be, deemed to be granted subject to the condition that the development to which it relates must be begun within—
(a)5 years of the date on which the permission is granted; or
(b)such other period (whether longer or shorter) as the authority concerned with the terms of the planning permission considers appropriate having regard to the provisions of the local development plan and to any other material considerations.
(2) If planning permission is granted without the condition required by subsection (1), it shall be deemed to have been granted subject to the condition that the development to which it relates must be begun within 5 years of the date of the grant.
(3) Nothing in subsections (1) and (2) applies—
(a)to any outline planning permission;
(b)to any planning permission granted by a development order;
(c)to any planning permission granted for a limited period;
(d)to any planning permission granted for development carried out before the grant of that permission;
(e)to any planning permission granted by an enterprise zone scheme; or
(f)to any planning permission granted by a simplified planning zone scheme.