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

SCHEDULE 2 E+W Permitted development rights

PART 19 E+W Development by the Crown or for national security purposes

Class N – development by the Crown on operational Crown land connected to shipping etc E+W

Permitted development E+W

N.  Development by or on behalf of the Crown or its lessees on operational Crown land where the development is required—

(a) for the purposes of shipping; or

(b) at a dock, pier, pontoon or harbour in connection with the embarking, disembarking, loading, discharging or transport of military or civilian personnel, military equipment, munitions, or other items.

Development not permitted E+W

N.1  Development is not permitted by Class N if it consists of or includes the construction or erection of a bridge or other building not required in connection with the handling of traffic.

Interpretation of Class N E+W

N.2  For the purposes of Class N, references to the construction or erection of any building or structure include references to the reconstruction or alteration of a building or structure where its design or external appearance would be materially affected.