Class S – closed circuit television cameras for national security purposes
Permitted development
S. The installation, alteration or replacement by or on behalf of the Crown on Crown land of a closed circuit television camera and associated lighting for national security purposes.
Development not permitted
S.1 Development is not permitted by Class S if—
(a)the dimensions of the camera including its housing exceed 0.75 metres by 0.25 metres by 0.25 metres; or
(b)the uniform level of lighting provided exceeds 10 lux measured at ground level.
Conditions
S.2 Development is permitted by Class S subject to the following conditions—
(a)the camera is, so far as practicable, sited so as to minimise its effect on the external appearance of any building to which it is fixed; and
(b)the camera is removed as soon as reasonably practicable after it is no longer required for national security purposes.
Interpretation of Class S
S.3 For the purposes of Class S—
“camera”, except in paragraph S.1(a), includes its housing, pan and tilt mechanism, infra-red illuminator, receiver, mountings and brackets; and
“ground level” means the level of the surface of the ground immediately adjacent to the building to which the camera is attached or, where the level of the surface of the ground is not uniform, the level of the lowest part of the surface of the ground adjacent to it.