Regulation 3
Meaning of “last approved use”
of Planning (Development of Land Authorisation for Last Approved Use) Notification 2017
For any land or building in respect of which written permission is granted or an authorisation is given for the most recent development or works within a conservation area to be carried out on the land or building, the last approved use is —
where the written permission is a permanent permission, the purpose the land or building is authorised to be used under the penultimate permanent permission granted for the land or building; or
in any other case, the purpose the land or building is authorised to be used under the last permanent permission granted for the land or building.