8.—(1) Where all the conditions in sub-paragraph (2) are satisfied, the amount of fee payable in respect of an application is reduced by one quarter.
(2) The conditions are—
(a)the application relates solely to—
(i)the carrying out of operations for the alteration of a dwellinghouse (but not including the extension of or the erection of a dwellinghouse), or
(ii)other operations within the curtilage of a dwellinghouse (but not including the extension of or the erection of a dwellinghouse),
(b)the dwellinghouse is in a conservation area,
(c)the application relates solely to development within one or more of the classes specified in schedule 1 of the General Permitted Development Order, and
(d)the only reason planning permission is not granted by article 3(1) of the General Permitted Development Order is that the development would be in a conservation area.