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

Class I – industrial and general business conversions

Permitted development

I.  Development consisting of a change of use of a building—

(a) from any use falling within Class B2 (general industrial) or B8 (storage or distribution) of the Schedule to the Use Classes Order, to a use for any purpose falling within Class B1 (business) of that Schedule;

(b) from any use falling within Class B1 (business) or B2 (general industrial) of the Schedule to the Use Classes Order, to a use for any purpose falling within Class B8 (storage or distribution) of that Schedule.

Development not permitted

I.1  Development is not permitted by Class I, where the change is to or from a use falling within Class B8 of that Schedule, if the change of use relates to more than 500 square metres of floor space in the building.