“1. On an application made to a local planning authority, the planning permission which may be granted includes planning permission for development carried out before the date of the application. 2. Subsection (1) applies to development carried out… (a) without planning permission… (b) in accordance with planning permission granted for a limited period; or (c) without complying with some condition subject to which planning permission was granted.” (a) without planning permission… (b) in accordance with planning permission granted for a limited period; or (c) without complying with some condition subject to which planning permission was granted.”
“Where there has been a breach of planning control consisting in the carrying out without planning permission of building… operations .. on.. land, no enforcement action may be taken after the end of the period of four years beginning with the date on which the operation was substantially completed.”