SCHEDULE 2Permitted development rights
PART 7Non-domestic extensions, alterations etc
Class G – hard surfaces for office buildings
Permitted development
G.
Development consisting of—
(a)
the provision of a hard surface within the curtilage of an office building to be used for the purpose of the office concerned; or
(b)
the replacement in whole or in part of such a surface.
Development not permitted
G.1
Development is not permitted by Class G if—
(a)
the cumulative area of ground covered by a hard surface within the curtilage (excluding hard surfaces already existing on 6th April 2010) would exceed 50 square metres; F1...
(b)
the development would be within the curtilage of a listed building F2; or
F3(c)
the building is in use as an office as permitted by Class JA (retail, takeaway, betting office, pay day loan shop, and launderette uses to offices) of Part 3 of this Schedule.
Conditions
G.2
Development is permitted by Class G subject to the following conditions—
(a)
where there is a risk of groundwater contamination, the hard surface is not 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 office building.