Class C – developments on operational Crown landE+W
Permitted developmentE+W
C. Development carried out by or on behalf of the Crown on operational Crown land for operational purposes consisting of—
(a) the installation of additional or replacement plant or machinery;
(b) the provision, rearrangement or replacement of a sewer, main, pipe, cable or other apparatus; or
(c) the provision, rearrangement or replacement of a private way, private railway, siding or conveyor.
Development not permittedE+W
C.1 Development described in Class C(a) is not permitted if—
(a)it would materially affect the external appearance of the premises; or
(b)any plant or machinery would exceed a height of 15 metres above ground level or the height of anything replaced, whichever is the greater.
Interpretation of Class CE+W
C.2 In Class C, “Crown land” does not include land in or adjacent to and occupied together with a mine.