Prime Minister of the United Kingdom the convention developed that the Prime Minister should always sit in the lower house. As leader of the House of Commons, the Prime Minister's authority was further enhanced by the Parliament Act of 1911 which marginalised the influence of the House of Lords in the law-making process. The Prime Minister is "ex officio" also First Lord of the Treasury and Minister for the Civil Service. Certain privileges, such as residency of 10 Downing Street, are accorded to Prime Ministers by virtue of their position as First Lord of the Treasury. The status of the position as Prime Minister means that
Civil Service (United Kingdom) three posts were split from the single holder. The last person to hold all three positions together was Gus O'Donnell, Cabinet Secretary, Head of the Home Civil Service and Cabinet Office Permanent Secretary, September 2005 – January 2012. The postholder is responsible for ensuring that the Civil Service is equipped with the skills and capability to meet the everyday challenges it faces and that civil servants work in a fair and decent environment. They also chair the Permanent Secretary Management Group and the Civil Service Steering Board which are the main governing bodies of the Civil Service. It was announced