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 K – use of land by the Crown in relation to surveys etc E+W

Permitted development E+W

K.  The use of land by or on behalf of the Crown for the stationing and operation of apparatus in connection with the carrying out of surveys or investigations.