The Town and Country Planning (General Permitted Development) (England) Order 2015 No. 596

SCHEDULE 2 Permitted development rights

PART 7 Non-domestic extensions, alterations etc

Class J – hard surfaces for industrial and warehouse premises

Permitted development

J.  Development consisting of—

(a) the provision of a hard surface within the curtilage of an industrial building or warehouse to be used for the purpose of the undertaking concerned; or

(b) the replacement in whole or in part of such a surface.

Development not permitted

J.1   Development is not permitted by Class J if the development would be within the curtilage of a listed building.

Conditions

J.2  Development is permitted by Class J subject to the following conditions—

(a) where there is a risk of groundwater contamination the hard surface must not be made of porous materials; and

(b) in all other cases, either—

(i) the hard surface is made of porous materials, or

(ii) provision is made to direct run-off water from the hard surface to a permeable or porous area or surface within the curtilage of the industrial building or warehouse.