HC Deb 14 December 1967 vol 756 c192W
10. Dr. Winstanley

asked the Secretary of State for the Home Department what is the cost and how many man hours are involved as a result of the present disposition of police in Parliament Square.

Mr. Callaghan:

When Parliament is sitting, ten constables are employed for a total of 65.½ man hours a day, at a daily cost of £77 4s. 8d.