Conditions of permitted development
1(1)Planning permission granted by virtue of section 15(1) is subject to the condition that development is carried out in accordance with such requirements as the Secretary of State may by notice in writing to the developer specify for the purpose of—
(a)avoiding a breach of a relevant undertaking, or
(b)securing that the environmental effects of carrying out the development are not materially different from those envisaged by the relevant environmental assessment.
(2)The power conferred by sub-paragraph (1) is exercisable after, as well as before, development is commenced.
(3)The power conferred by sub-paragraph (1) includes power, exercisable in the same manner, to vary or revoke a notice under that sub-paragraph.
(4)The condition imposed by sub-paragraph (1) is in addition to any condition to which the planning permission may be subject apart from this paragraph.