“22. To my mind this description is clearly indicative of the intention to retain at least parts of the existing structure and therefore is at least part retrospective. The LDC applied for in relation to this appeal relates to the extension, which has a large pitched roof and small “extended area” with a flat roof. The increased plan area, volume of the roof and height, compared to what was subsequently permitted, results in the substantially bulkier and very different structure from that approved under the (2009) application and those subsequent.”
“(a) that planning permission should be granted for the development to which the notice relates; (d) that, at the date when the notice was issued, no enforcement action could be taken in respect of any breach of planning control which may be constituted by those matters; (f) that the steps required by the notice to be taken, or the activities required by the notice to cease, exceed what is necessary to remedy any breach of planning control which may be constituted by those matters or, as the case may be, to remedy any injury to amenity which has been caused by any such breach.”
"23. When an application for planning consent is made for a single operation, it is made in respect of the whole of the building operation. There are two reasons for this. The first is the practical one that an application for permission partially to erect a building would, save in exceptional circumstances, fail. The second is that the concept of final permission requires a fully detailed building of a certain character, not a structure which is incomplete. This is one of the differences between an outline permission and a final permission: s.92 of the Act. As counsel for Mr Sage accepted, if a building operation is not carried out, both externally and internally, fully in accordance with the permission, the whole operation is unlawful. She contrasted this with a case where the building has been completed but is then altered or improved. … . "23. When an application for planning consent is made for a single operation, it is made in respect of the whole of the building operation. There are two reasons for this. The first is the practical one that an application for permission partially to erect a building would, save in exceptional circumstances, fail. The second is that the concept of final permission requires a fully detailed building of a certain character, not a structure which is incomplete. This is one of the differences between an outline permission and a final permission: s.92 of the Act. As counsel for Mr Sage accepted, if a building operation is not carried out, both externally and internally, fully in accordance with the permission, the whole operation is unlawful. She contrasted this with a case where the building has been completed but is then altered or improved. … . 24. The same holistic approach is implicit in the decisions on what an enforcement notice relating to a single operation may require. Where a lesser operation might have been carried out without permission or where an operation was started outside the four year period but not substantially completed outside that period, the notice may nevertheless require the removal of all the works including ancillary works: Ewen Developments Ltd v Secretary of State for the Environment [1980] JPL 439, CA; Howes v Secretary of State for the Environment [1984] JPL 439, Hodgson J; SomakTravel v London Borough of Brent [1987] JPL 630 Stuart Smith J. … 25. These decisions underline the holistic structure of planning law … ."