The Town and Country Planning (General Permitted Development) (England) Order 2015

[F1Class I – industrial conversionsE+W

Permitted developmentE+W

I.  Development consisting of a change of use of a building from any use falling within Class B2 (general industrial) of Schedule 1 to the Use Classes Order, to a use for any purpose falling within Class B8 (storage or distribution) of that Schedule.

Development not permittedE+W

I.1.  Development is not permitted by Class I if the change of use relates to more than 500 square metres of floor space in the building.]