Planning and Development Act 2000
General obligation to obtain permission.
32.—(1) Subject to the other provisions of this Act, permission shall be required under this Part—
( a) in respect of any development of land, not being exempted development, and
( b) in the case of development which is unauthorised, for the retention of that unauthorised development.
(2) A person shall not carry out any development in respect of which permission is required by subsection (1), except under and in accordance with a permission granted under this Part.