16Limit of duration of listed building consent
(1)Any listed building consent shall be granted subject to a condition that works permitted by that consent shall be commenced within such period as the planning authority may specify in the consent.
(2)If no time limit is specified in any grant of listed building consent under subsection (1), the grant shall be deemed to have been made subject to a condition that works in terms of the consent shall be commenced within 5 years from the date of the grant.
(3)Nothing in this section applies to any consent to the retention of works granted under section 7(3).
(4)The date of the granting or of the refusal of an application for listed building consent shall be the date on which the notice of the planning authority’s decision bears to have been signed on behalf of the authority.