The House of Lords is the upper house of the Parliament of the United Kingdom. Like the lower house, the House of Commons, it meets in the Palace of Westminster in London, England. One of the oldest institutions in the world, its origins lie in the early 11th century and the emergence of bicameralism in the 13th century.
Peerages in the United Kingdom form a legal system comprising both hereditary and lifetime titles, composed of various ranks, and within the framework of the Constitution of the United Kingdom form a constituent part of the legislative process and the British honours system. The British monarch is considered the fount of honour and is notionally the only person who can grant peerages, though there are many conventions about how this power is used, especially at the request of the British government. The term peerage can be used both collectively to refer to the entire body of titled nobility, and individually to refer to a specific title. British peerage title holders are termed peers of the Realm.
The Peerage Act 1963 is an Act of the Parliament of the United Kingdom that permits women peeresses and all Scottish hereditary peers to sit in the House of Lords and allows newly inherited hereditary peerages to be disclaimed.
The Peerage of the United Kingdom is one of the five Peerages in the United Kingdom. It comprises most peerages created in the United Kingdom of Great Britain and Ireland after the Acts of Union in 1801, when it replaced the Peerage of Great Britain. New peers continued to be created in the Peerage of Ireland until 1898
The House of Lords Act 1999 is an Act of the Parliament of the United Kingdom that reformed the House of Lords, one of the chambers of Parliament. The Act was given Royal Assent on 11 November 1999. For centuries, the House of Lords had included several hundred members who inherited their seats ; the Act removed such a right. However, as part of a compromise, the Act did permit ninety-two hereditary peers to remain in the House. Another ten were created life peers to enable them to remain in the House.
The hereditary peers form part of the peerage in the United Kingdom. As of August 2023, there are 805 hereditary peers: 30 dukes, 34 marquesses, 189 earls, 110 viscounts, and 442 barons.
The history of the British peerage, a system of nobility found in the United Kingdom, stretches over the last thousand years. The current form of the British peerage has been a process of development. While the ranks of baron and earl predate the British peerage itself, the ranks of duke and marquess were introduced to England in the 14th century. The rank of viscount came later, in the mid-15th century. Peers were summoned to Parliament, forming the House of Lords.
In the United Kingdom, life peers are appointed members of the peerage whose titles cannot be inherited, in contrast to hereditary peers. Life peers are appointed by the monarch on the advice of the prime minister. With the exception of the Dukedom of Edinburgh awarded for life to Prince Edward in 2023, all life peerages conferred since 2009 have been created under the Life Peerages Act 1958 with the rank of baron and entitle their holders to sit and vote in the House of Lords, presuming they meet qualifications such as age and citizenship. The legitimate children of a life peer appointed under the Life Peerages Act 1958 are entitled to style themselves with the prefix "The Honourable", although they cannot inherit the peerage itself. Prior to 2009, life peers of baronial rank could also be so created under the Appellate Jurisdiction Act 1876 for senior judges.
Lords of Appeal in Ordinary, commonly known as Law Lords, were judges appointed under the Appellate Jurisdiction Act 1876 to the British House of Lords, as a committee of the House, effectively to exercise the judicial functions of the House of Lords, which included acting as the highest appellate court for most domestic matters.
The Life Peerages Act 1958 established the modern standards for the creation of life peers by the Sovereign of the United Kingdom.
The Lords Temporal are secular members of the House of Lords, the upper house of the British Parliament. These can be either life peers or hereditary peers, although the hereditary right to sit in the House of Lords was abolished for all but ninety-two peers during the 1999 reform of the House of Lords. The term is used to differentiate these members from the Lords Spiritual, who sit in the House as a consequence of being bishops in the Church of England.
Robert Washington Shirley, 13th Earl Ferrers,, styled Viscount Tamworth between 1937 and 1954, was a British Conservative politician and member of the House of Lords as one of the remaining hereditary peers. He was one of the few people to serve in the governments of five prime ministers.
Since 1997 the United Kingdom government has been engaged in reforming the House of Lords, the upper house of the Parliament of the United Kingdom. The history of reform before 1997, is set out in sections below about reforms of composition and powers carried out in the past and of unsuccessful proposals and attempts at reform in the twentieth century. Proposals include decreasing the number of lords, introducing a system where lords are democratically elected, or abolition of the House of Lords in favour of a unicameral Parliament.