This section applies where it appears to a local planning authority ... that—
The authority may issue a temporary stop notice if, having regard to the effect of the works on the character of the building as one of special architectural or historic interest, they consider it is expedient that the works (or part of them) be stopped immediately.
A temporary stop notice must be in writing and must—
A temporary stop notice may be served on a person who appears to the authority—
The authority must display a copy of the notice on the building; and the copy must specify the date on which it is first displayed.
A temporary stop notice takes effect when the copy of it is first displayed in accordance with subsection (5).
A temporary stop notice ceases to have effect—
But if the authority withdraws the notice before the time when it would otherwise cease to have effect under subsection (7), the notice ceases to have effect on its withdrawal.
A local planning authority may not issue a subsequent temporary stop notice in relation to the same works unless the authority have, since issuing the previous notice, taken other enforcement action in relation to the contravention referred to in subsection (1)(b).
The reference in subsection (9) to taking other enforcement action includes a reference to obtaining an injunction under section 44A.
A temporary stop notice does not prohibit the execution of works of such description, or the execution of works in such circumstances, as the Secretary of State may by regulations prescribe.