The Town and Country Planning (General Permitted Development) Order 1995

A.1    Condition

Development is not permitted by Class A if it consists of or includes—

(a)the erection, construction, alteration or extension of any building, bridge, aqueduct, pier or dam, or

(b)the formation, laying out or alteration of a means of access to any highway used by vehicular traffic,

unless the prior approval of the appropriate authority to the detailed plans and specifications is first obtained.