SCHEDULE 2Permitted development rights

PART 7Non-domestic extensions, alterations etc

Class J – hard surfaces for industrial and warehouse premises

ConditionsJ.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.