Class I – developments relating to an industrial processE+W
Permitted developmentE+W
I. Development carried out on industrial land for the purposes of an industrial process 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
I.1 Development described in Class I(a) is not permitted if—
(a)it would materially affect the external appearance of the premises of the undertaking concerned; 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 IE+W
I.2 For the purposes of Class I, “industrial land” means land used for the carrying out of an industrial process, including land used for the purposes of an industrial undertaking as a dock, harbour or quay but does not include land in or adjacent to and occupied together with a mine.