If listed building consent or conservation area consent is refused, or granted subject to conditions, whether by the local planning authority or by the [Secretary of State for the Environment] [Secretary of State for Wales], and the owner of the land claims that the land has become incapable of reasonably beneficial use in its existing state and cannot be rendered capable of reasonably beneficial use by the carrying out of any works which have been or would be permitted, he may serve on the council of the district, or London borough in which the land is situated (or, where appropriate, on the Common Council of the City of London) a purchase notice requiring that council to purchase his interest in the land in accordance with the provisions of section 32 of the Planning (Listed Buildings and Conservation Areas) Act 1990.