HC Deb 30 June 1981 vol 7 c361W
Mr. Skinner

asked the Secretary of State for the Environment what is the cost of the installation of the experimental bird repellent device on the Terrace of the Palace of Westminster; and what will be the cost of providing the device along the whole length of the Terrace.

Mr. Geoffrey Finsberg

Installation costs were £154. Extending the device along the remainder of the Terrace would cost about £1,230.