Events from the year 1827 in the United Kingdom.
- 17 January – The Duke of Wellington becomes Commander-in-Chief of the Forces.[1]
- 1 March – St David's College, Lampeter, Wales, opens its doors to its first students.
- 7 March – Shrigley abduction: Ellen Turner, a wealthy 15-year-old heiress from Cheshire, is abducted by Edward Gibbon Wakefield. On 14 May Wakefield, his brother and a servant are sentenced to three years' imprisonment for the crime. Wakefield later becomes a colonial politician.
- 7 April – John Walker begins selling his invention, the "Lucifer" friction match.[1]
- 10 April – George Canning succeeds Lord Liverpool as British Prime Minister following the latter's resignation due to ill health after almost fifteen years in office.[2]
- 18 May – Red Barn Murder in Suffolk: Maria Marten is shot by her lover.
- 21 May – launch of the London Standard newspaper.
- 21 June – the first of Peel's Acts begin to consolidate the criminal law. Hue and cry and benefit of clergy are abolished[3] and the setting of mantraps to catch poachers is made illegal.
- 6 July – Treaty of London between France, Britain and Russia to demand that the Turks agree to an armistice in Greece.
- 8 August – Prime Minister George Canning dies in office only 119 days after being appointed, making him the second shortest serving Prime Minister in British history.
- 31 August – Frederick John Robinson, 1st Viscount Goderich is appointed Prime Minister following the death of Canning, continuing the Canningite Government as the Goderich Ministry; he will serve for only 144 days.
- 20 October – Battle of Navarino (Greek War of Independence): British, French and Russian naval forces destroy the Turko-Egyptian fleet in Greece.[1] This is the last naval action to be fought under sail alone.
- November – the term "socialist" is coined by Robert Owen in his London periodical, The Co-operative Magazine and Monthly Herald.[4][5][6]
- 7 January – Sandford Fleming, Scottish-born civil engineer, "father of time zones" (died 1915 in Canada)
- 14 January – Enderby Jackson, pioneer of the British brass band (died 1903)
- 24 February – Lydia Becker, suffragette (died 1890)[9]
- 4 March – Henrietta Keddie ('Sarah Tytler'), Scottish-born novelist (died 1914)
- 7 March – John Hall Gladstone, chemist and physicist (died 1902)
- 14 March – George Frederick Bodley, architect (died 1907)
- 16 March – Edward Binyon, landscape painter (died 1876)[10]
- 25 March – Edward Bradley ('Cuthbert Bede'), novelist (died 1889)
- 2 April – William Holman Hunt, Pre-Raphaelite painter (died 1910)
- 5 April – Joseph Lister, 1st Baron Lister, pioneer of antiseptic surgery (died 1912)
- 14 April – Augustus Pitt Rivers, né Lane-Fox, archaeologist (died 1900)
- 4 May – John Hanning Speke, explorer (died 1864)
- 16 July – William McEwan, Scottish-born brewer and politician (died 1913)
- 17 July – Sir Frederick Abel, chemist (died 1902)
- 16 August – Frances Buss, pioneer of women's education (died 1894)
- 19 September – J. P. Seddon, architect (died 1906)
- 24 October – George Robinson, 1st Marquess of Ripon, Liberal Party politician (died 1909)
- Henry Gray, anatomist (died 1861)
- Margaret Eleanor Parker, social reformer (died 1896)
- 2 January – John Mason Good, writer (born 1764)
- 5 January – Prince Frederick, Duke of York and Albany, heir-presumptive to the throne (born 1763)
- 28 February – Thomas Holloway, portrait painter and engraver (born 1748)
- 21 April – Thomas Rowlandson, artist and caricaturist (born 1757)
- 26 June – Samuel Crompton, inventor (born 1753)
- 21 July – Archibald Constable, Scottish publisher (born 1774)
- 8 August – George Canning, statesman, Prime Minister from April (born 1770)
- 12 August – William Blake, poet, painter and printmaker (born 1757)[11]
Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 255–256. ISBN 0-7126-5616-2.
Harrison, John (2009). Robert Owen and the Owenites in Britain and America: The Quest for the New Moral World. London: Routledge. p. 35. ISBN 9780203092354.
Billington, James H. (1999). Fire in the Minds of Men: Origins of the Revolutionary Faith. New Brunswick, NJ: Transaction Publishers. p. 245. ISBN 9780765804716.
Williams, Raymond (2014). "Socialism". Keywords: A Vocabulary of Culture and Society. Oxford University Press. p. 224.
Bright, Richard (1827). Reports of Medical Cases, Selected with a View of Illustrating the Symptoms and Cure of Diseases by a Reference to Morbid Anatomy. Vol. 1. London: Longmans.
Tusan, Michelle Elizabeth (2005). Women Making News: Gender and Journalism in Modern Britain. Urbana: University of Illinois Press. p. 263. ISBN 978-0-2520-3015-4.
Liverpool, England, Quaker Registers, 1635-1958; England & Wales, Quaker Birth, Marriage, and Death Registers, 1578-1837