“I should also make it clear that the approach which I have sought to identify is not intended to be a charter to developers to ignore conditions which are intended to be complied with before a planning permission is implemented. If it is not already clear, I make it absolutely clear now, that if a developer does not comply with a condition he can have enforcement action or any other available action taken against him. The only consequence of the approach indicated in this judgment is that when the merits of the enforcement proceedings come to be considered, it is necessary to take into account the situation as it exists at the time and in particular whether or not at that time any approval required by condition has been obtained.”
“… there is an important principle of planning law. It is that a grant of planning permission is made in the public interest—so as to ensure that the amenities of our countryside are preserved for the good of all. The protection of the public interest is entrusted to the representative bodies and to the ministers. It would be quite wrong that it should be pre-empted by …” [in that case] “… a mistaken issue by a clerk of a printed form—without any authority in that behalf. When such a mistake is brought to the attention of the court by the Attorney-General, or anyone else with a sufficient interest, the court can and should declare the grant to be void and of no effect. It does not follow that all the consequences that follow from it are void also.”