Portcullis House All rooms in the building are fitted with "annunciators" (monitors which announce in real-time the current business in the Chambers of the House of Commons, the House of Lords, or both). "Division bells" are also installed throughout the building, which alert MPs to the calling of a division (vote) in the Chamber of the House of Commons. Along with this, visual aids (a flashing image of a bell) are displayed on television sets and computer desktops in MPs' offices when the Division bell sounds. On the ground floor are a range of services including a waiter-service restaurant ("The Adjournment"), informal
House of Commons of the United Kingdom House may also sit at weekends. Sittings of the House are open to the public, but the House may at any time vote to sit in private, which has occurred only twice since 1950. Traditionally, a Member who desired that the House sit privately could shout "I spy strangers" and a vote would automatically follow. In the past, when relations between the Commons and the Crown were less than cordial, this procedure was used whenever the House wanted to keep its debate private. More often, however, this device was used to delay and disrupt proceedings; as a result, it was