Class J – hard surfaces for industrial and warehouse premisesE+W
Permitted developmentE+W
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 permittedE+W
J.1 Development is not permitted by Class J if the development would be within the curtilage of a listed building.
ConditionsE+W
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.