Events from the year 1925 in the United Kingdom.

Incumbents Monarch – George V Prime Minister – Stanley Baldwin (Conservative)

Events January – Construction of the Royal Tweed Bridge in Berwick-upon-Tweed begins. February – The statue of Eros is taken away from Piccadilly Circus in London so that the new Underground station can be built. It will not return until 1931. 9 March–1 May – Pink's War: The British Royal Air Force bombards mountain strongholds of Mahsud tribesmen in South Waziristan. 9 April – Administration of Estates Act abolishes the legal rule of primogeniture in England and Wales and the remnants of gavelkind in Kent; Law of Property Act modernises the law relating to real estate (both Acts come into effect 1 January 1926). 28 April – Presenting the Baldwin ministry's budget, Chancellor of the Exchequer Winston Churchill announces Britain's return to the gold standard (the gold bullion standard rather than the specie standard). 1 May – Cyprus becomes a Crown Colony. 29 May – Last communication from the British explorer Percy Fawcett, a telegram to his wife, before he disappears in the Amazon. 10 June – Dibbles Bridge coach crash: a tour coach runs away following brake failure and falls off a bridge near Hebden, North Yorkshire, en route to Bolton Abbey, killing seven passengers. 1–30 June – The second-driest month in the EWP series (and driest of the twentieth century) with an average rainfall of only .Hadley Center Ranked EWP. 27 July – The British Broadcasting Company's Daventry transmitting station on Borough Hill, Daventry in central England opens as the world's first longwave broadcast radio transmitter, taking over from its Chelmsford facility. 31 July – Red Friday: the Government announces that it will grant a subsidy to the coal industry for nine months to maintain existing wage levels while a Royal Commission conducts an inquiry into the industry's problems. 5 August – Establishment of political party Plaid Genedlaethol Cymru, initially focussing on Welsh language issues. 7 August Honours (Prevention of Abuses) Act 1925 passed in the aftermath of Lloyd George's sale of peerages and other honours for political party funds. National Library of Scotland established by Act of Parliament to take over the national responsibilities of the Advocates' Library in Edinburgh. 2 October – In London: John Logie Baird successfully transmits the first television pictures with a greyscale image. The city's first double-decker buses with covered top decks are introduced. 29 October – Observer Corps established as a volunteer civil defence organisation for the visual detection, identification, tracking and reporting of raids by aircraft over Britain. 2 November – Eigiau Dam disaster kills seventeen in the North Wales village of Dolgarrog. 3 November – Alfred Hitchcock's first (silent) film, The Pleasure Garden, completed (but not released in the UK until 16 January 1927). 7 November – The Morning Post, a Conservative London newspaper, publishes a leaked report of the Irish Boundary Commission's (limited) proposals for altering the border between the Irish Free State and Northern Ireland, which are contrary to the Free State's view; publication effectively ends the work of the commission. 12 November – Submarine sinks in the English Channel after collision with a civilian surface vessel with the loss of all 69 hands. 16 November – Carmaker Vauxhall Motors of Luton is purchased by American giant General Motors for $2.5 million. 1 December – Locarno Treaties signed in London. The United Kingdom is a joint guarantor of the boundaries of Belgium, France and Germany. 3 December – A settlement on the boundary question between the Irish Free State and Northern Ireland is presented in London. Controversially, there is no change to the border, in exchange for the Free State's liability for service of the U.K. public debt in respect of war pensions being dropped. The agreement is approved during this month by the U.K. and Free State legislatures. 10 December – Austen Chamberlain wins the Nobel Peace Prize for his work on the Locarno Pact.The Nobel Peace Prize 1925. 16 December – Construction of the Queensway Tunnel beneath the River Mersey begins.

Undated Clough Williams-Ellis begins construction of Portmeirion in North Wales. American newspaper magnate William Randolph Hearst buys the medieval St Donat's Castle in the Vale of Glamorgan.

Publications Elinor Brent-Dyer's schoolgirl story The School at the Chalet, first in the Chalet School series. G. K. Chesterton's book The Everlasting Man. Agatha Christie's novel The Secret of Chimneys. Warwick Deeping's novel Sorrell and Son. T. S. Eliot's poem "The Hollow Men". Aldous Huxley's novel Those Barren Leaves. Margaret Kennedy's novel The Constant Nymph. Virginia Woolf's novel Mrs. Dalloway.

Births 3 January – Jill Balcon, actress (died 2009) 7 January – Gerald Durrell, naturalist, zookeeper, author and television presenter (at Jamshedpur, India) (died 1995) 8 January – James Saunders, playwright (died 2004) 13 January – David Francis Clyde, physician (died 2002) 19 January – Nina Bawden, writer (died 2012) 24 January – Owen Maddock, racing car designer (died 2000) 26 January Desmond Cassidi, admiral (died 2019) David Jenkins, Anglican bishop (died 2016) 31 January – Fred Brown, virologist (died 2004) 3 February – John Gingell, air marshal (died 2009) 11 February – Peter Berger, admiral (died 2003) 13 February – Stuart Wagstaff, English-Australian actor (died 2015) 10 February – Joseph McKeown, photojournalist (died 2007) 12 February – Anthony Berry, British Conservative politician (murdered by IRA terrorists in the Brighton hotel bombing 1984) 17 February – Ron Goodwin, composer and conductor (died 2003) 28 February Harry H. Corbett, actor (died 1982) Billy March, footballer (died 1974) 4 March – Alan R. Battersby, organic chemist (died 2018) 7 March – Richard Vernon, actor (died 1997) 11 March – Peter R. Hunt, film director (died 2002) 14 March John Jacobs, English golfer (died 2017) John Wain, writer (born 1994) 15 March – Francis Dennis Ramsay, portrait painter (died 2009) 20 March – Billy Elliott, footballer (died 2008) 21 March Peter Brook, theatre and film director (died 2022) Ronald Whittam, scientist (died 2023) 23 March – David Watkin, cinematographer (died 2008) 24 March – Bill Nankeville, Olympic middle distance runner (died 2021) 25 March – Anthony Quinton, philosopher (died 2010) 26 March Ted Graham, Baron Graham of Edmonton, politician (died 2020) Michael Ward, mountaineer and surgeon (died 2005) 27 March – Henry Plumb, Baron Plumb, farmer and politician (died 2022) 28 March - Morris Perry, actor (died 2021) 1 April – Kathy Stobart, saxophonist (died 2014) 2 April – George MacDonald Fraser, author (died 2008) 3 April – Tony Benn, politician (died 2014) 9 April – Michael Richardson, investment banker (died 2003) 12 April – Oliver Postgate, animator, puppeteer and writer (died 2008) 14 April – William Lucas, actor (died 2016) 15 April – Geraint Howells, politician (died 2004) 21 April – John Swinton of Kimmerghame, English general and politician (died 2018) 22 April – George Cole, actor (died 2015) 23 April – Alec Penstone, naval veteran (died 2026) 24 April – Leslie Alcock, archaeologist (died 2006) 25 April Tony Christopher, Baron Christopher, businessman and politician (died 2026) Patrick David Wall, neuroscientist (died 2001) 27 April – Vere Harmsworth, 3rd Viscount Rothermere, newspaper publisher (died 1998) 1 May – Helen Bamber, psychotherapist and academic (died 2014) 4 May – Rex Roe, air marshal (died 2002) 11 May – Rhodes Boyson, English educator and politician (died 2012) 14 May – Tristram Cary, composer (died 2008) 15 May – Roy Stewart, actor (born in Jamaica; died 2008) 26 May – Alec McCowen, actor (died 2017) 27 May – John L. Harper, biologist (died 2009) 30 May – John Marks, physician and author (died 2022) 3 June – Thomas Winning, Archbishop of Glasgow (died 2001) 4 June – Gerald Sim, actor (died 2014) 5 June – Bill Sellars, television producer (died 2018) 6 June – Michael ffolkes, illustrator and cartoonist (died 1988) 9 June – Margaret Rhodes, aristocrat and courtier (died 2016) 15 June – Richard Baker, broadcaster (died 2018) 18 June – Carmel Budiardjo, human rights activist (died 2021) 19 June Charlie Drake, comedian, actor and singer (died 2006) Oliver Frederick Ford, interior designer (died 1992) 22 June – Frank Hindle, footballer (died 2013) 23 June – Miriam Karlin, actress (died 2011) 26 June – Richard Waring, comedy writer (died 1994) 29 June – Mervyn Alexander, Roman Catholic bishop (died 2010) 11 July – David Graham, actor and voice artist (died 2024) 12 July – Rosie Harris, author (died 2024) 17 July – Hugh David, actor and director (died 1987) 18 July – Hubert Doggart, sports administrator, cricketer and schoolmaster (died 2018) 19 July – Jack Petchey, businessman (died 2024) 27 July – Harry Towb, actor (died 2009) 28 July Kenneth Alwyn, conductor, composer and writer (died 2020) John Stonehouse, disgraced government minister (died 1988) 29 July – Matthew White Ridley, 4th Viscount Ridley, nobleman (died 2012) 30 July Stan Stennett, Welsh comedian, actor and jazz musician (died 2013) Alexander Trocchi, Scottish writer (died 1984) 1 August – Pam Gems, English playwright (d. 2011)Lyn Gardner Obituary: Pam Gems, The Guardian, 16 May 2011 11 August – Michael Argyle, psychologist (died 2002) 12 August Norris McWhirter, co-founder of the Guinness Book of Records (died 2004) Ross McWhirter, co-founder of the Guinness Book of Records (killed 1975) 18 August – Brian Aldiss, science fiction author (died 2017) 22 August Honor Blackman, actress (died 2020) Ivor Salter, actor (died 1991) 26 August – Sangharakshita, born Dennis Lingwood, Buddhist teacher (died 2018) 27 August – Nat Lofthouse, footballer (died 2011) 28 August – Philip Purser, author and television critic (died 2022) 2 September – Ronnie Stevens, comedian and actor (died 2006) 5 September – Patrick Leo McCartie, Roman Catholic bishop (died 2020) 6 September – Nina Lowry, judge (died 2017) 8 September – Peter Sellers, comedian and actor (died 1980) 10 September – Dick Lucas, minister and cleric 15 September – John Eden, Baron Eden of Winton, politician (died 2020) 22 September William Franklyn, actor (died 2006) Stratford Johns, actor (died 2002) 23 September – Denis Twitchett, Cambridge scholar and Chinese historian (died 2006) 27 September – Robert Edwards, physiologist and pioneer of in vitro fertilisation (died 2013) 1 October Christine Pullein-Thompson, English children's novelist (died 2005) Diana Pullein-Thompson, English children's novelist (died 2015) 5 October – Ken Middleditch, motorcycle speedway racer (died 2021) 6 October – John Stanier, field marshal (died 2007) 13 October – Margaret Thatcher, Prime Minister of the United Kingdom (died 2013) 14 October – Christopher French, judge (died 2003) 15 October Tony Hart, artist and television presenter (died 2009) Jean Briggs Watters, cryptanalyst and Women's Royal Naval Service personnel (died 2018) 16 October – Angela Lansbury, actress (died 2022) 17 October Harry Carpenter, boxing commentator (died 2010) Patricia Kneale, actress (died 2008) 19 October – Bernard Hepton, stage and television actor and director (died 2018) 27 October Paul Fox, television executive (died 2024) Monica Sims, radio executive (died 2018) 29 October Paul Daneman, actor (died 2001) Sir William Gladstone, 7th Baronet, aristocrat and Chief Scout (died 2018) Robert Hardy, actor (died 2017) 31 October John Pople, chemist, Nobel Prize laureate (died 2004) Tommy Watt, jazz bandleader (died 2006) 1 November – Dickson Mabon, politician (died 2008) 9 November – Ken Ashton, journalist and trade unionist (died 2002)