The Town and Country Planning (Control of Advertisements) Regulations 1992

10.    Conditions and Limitations.

(1) No such advertisement may exceed 0.2 square metre in area.

(2) No such advertisement may be displayed on highway land without the consent of the highway authority.

(3) The local planning authority shall, at least 14 days before the advertisement is first displayed, be given particulars in writing of the place at which it is to be displayed and a certificate—

(a) that the scheme has been properly established;

(b) that the police authority have agreed to the display of the advertisement; and

(c) where relevant, that the consent of the highway authority has been given.

(4) Any such advertisement shall be removed within 14 days after—

(a) the relevant scheme ceases to operate;

(b) the relevant scheme ceases to be approved by the police authority; or

(c) the highway authority withdraw their consent to its display.

(5) Illumination is not permitted.

(6) No character or symbol on the advertisement may be more than 0.75 metre in height, or 0.3 metre in an area of special control.

(7) No part of the advertisement may be more than 3.6 metres above ground level.