The hereditary peers form part of the peerage in the United Kingdom. As of October 2025, there were 799 hereditary peers: 29 dukes, 34 marquesses, 189 earls, 108 viscounts, and 439 barons.
The House of Lords, sitting in its old chamber, burned down in 1834, as drawn by Augustus Pugin and Thomas Rowlandson for Rudolph Ackermann's Microcosm of London, 1808–1811
Letters patent granting the Dukedom of Marlborough to Sir John Churchill were later amended by Parliament.
In 1984 Harold Macmillan, a former prime minister, was the last non-royal recipient of a hereditary peerage, the Earldom of Stockton.
Matt Ridley, science writer and conservative journalist, is the Viscount Ridley.
The Lord Great Chamberlain of England is the sixth of the Great Officers of State, ranking beneath the Lord Privy Seal but above the Lord High Constable. The office of Lord Great Chamberlain was first
The Lord Great Chamberlain, Lord Carrington, on the occasion of a royal visit to the Palace of Westminster in 2023 (wearing his scarlet court uniform with gold key insignia and carrying his wand of office).
The Lord Great Chamberlain, the 7th Marquess of Cholmondeley (left), holding his white staff of office; the Lord Speaker, Baroness Hayman; and the Speaker of the House of Commons, John Bercow, showing US President Barack Obama around Members' Lobby during a tour of the Palace in May 2011.
6 May 2023: Lord Carrington (Lord Great Chamberlain since 2022) on his way to the Coronation of Charles III and Camilla (with Baroness Manningham Buller).