This is a summary of 1970 in music in the United Kingdom, including the official charts from that year.

• 4 January – The Who drummer Keith Moon fatally runs over his chauffeur with his Bentley while trying to escape a mob outside a pub. The death is later ruled an accident.
• 16 January – John Lennon's London art gallery exhibit of lithographs, Bag One, is shut down by Scotland Yard for displaying "erotic lithographs"
• 26 January – Simon & Garfunkel release their final album together, Bridge Over Troubled Water. It tops the album chart at regular intervals over the next two years, and becomes the best-selling album in Britain during the 1970s.
• 11 February – The film The Magic Christian, starring Peter Sellers and Ringo Starr, is premiered in New York City. The film's soundtrack album, including Badfinger's "Come and Get It" (written and produced by Paul McCartney), is released on Apple Records.
• 14 February – The Who records Live at Leeds in Yorkshire, England.
• 28 February – Led Zeppelin perform in Copenhagen under the pseudonym The Nobs, to avoid a threatened lawsuit by Count Eva von Zeppelin, descendant of airship designer Ferdinand von Zeppelin.
• 19 March – David Bowie marries model Angela Barnett.
• 21 March – British-born singer Dana wins the 15th annual Eurovision Song Contest for Ireland with the song "All Kinds of Everything".
• 10 April – Paul McCartney publicly announces the break-up of The Beatles. His first solo album is released 10 days later.
• 8 May – The Beatles' last album, Let It Be, is released.
• 16 May – The Who release Live at Leeds which is their first live album. Since its initial reception, Live at Leeds has been cited by several music critics as the best live rock recording of all time.
• 23/24 May – Hollywood Festival, Newcastle-under-Lyme is staged featuring a line-up including The Grateful Dead, Black Sabbath, Free, and Jose Feliciano. Everyone is completely upstaged by the previously unknown Mungo Jerry, whose debut single "In the Summertime" becomes the best-selling hit of the year.
• 16 May – The first ever late night Prom, starting at 10pm and finishing after midnight, features jazz rock band Soft Machine at the Royal Albert Hall.
• 26–30 August – The Isle of Wight Festival 1970 takes place on East Afton Farm off the coast of England. Some 600,000 people attend the largest rock festival of all time. Artists include Jimi Hendrix, The Who, The Doors, Chicago, Richie Havens, John Sebastian, Joan Baez, Ten Years After, Emerson, Lake & Palmer and Jethro Tull.
• 17 September – Jimi Hendrix makes his last appearance, with Eric Burdon & War jamming at Ronnie Scotts Club in London. Hendrix dies the following day from a barbiturate overdose at his London hotel, aged 27.
• 2 December – first production of Michael Tippett's opera The Knot Garden staged by the Royal Opera House.^[1]
• 28 December – Carl Davis marries actress Jean Boht.

• Sir Arthur Bliss – Concerto for Cello and Orchestra
• Alun Hoddinott
  • Violin Sonata 2
  • Cello Sonata 1
• Daniel Jones – String Trio
• William Mathias – Harp Concerto^[5]
• Stanley Myers – "Cavatina"
• Michael Tippett – Songs for Dov
• David Wynne – Duo for cello and piano

• Benjamin Britten – Owen Wingrave

• Frank Cordell – Cromwell, starring Richard Harris and Alec Guinness.
• Johnny Douglas – The Railway Children directed by Lionel Jeffries, starring Dinah Sheridan, Jenny Agutter, Sally Thomsett and Bernard Cribbins.
• Stanley Myers –
  • A Severed Head, starring Ian Holm, Claire Bloom, Lee Remick and Richard Attenborough.
  • Take a Girl Like You directed by Jonathan Miller, starring Hayley Mills and Oliver Reed.
  • The Walking Stick – includes "Cavatina" which was later made famous when used in the 1978 film The Deer Hunter.
• William Walton – Three Sisters, starring Alan Bates, Laurence Olivier and Joan Plowright.

• Let It Be (documentary about The Beatles
• Scrooge, starring Albert Finney.

• 14 January – Will Todd, composer and pianist
• 20 January – Mitch Benn, English comedian, singer-songwriter, and guitarist
• 31 January – Minnie Driver, actress and singer
• 1 March – Alison Stephens, mandolin player
• 27 March – Brendan Hill, drummer
• 11 April – Delroy Pearson, singer (Five Star)
• 16 April – Gabrielle, singer
• 1 May – Bernard Butler, singer and guitarist (Suede)
• 14 May – Lee Murray, singer and drummer (Let Loose)
• 19 June – MJ Hibbett, singer-songwriter
• 22 June – Alan Leach, drummer (Shed Seven)
• 6 July – Martin Smith, singer-songwriter and guitarist (Delirious?)
• 10 July – Jason Orange, singer (Take That)
• 16 July – Lee Baxter, singer (Caught in the Act)
• 17 July – Mandy Smith, singer
• 13 July – Julian Wagstaff, composer
• 11 August – Andy Bell, bassist (Oasis)
• 14 September – Mark Webber, guitarist (Pulp)
• 4 October – Andy Parle, drummer (Space)
• 13 October – Paul Potts, concert tenor
• 21 October – Tony Mortimer, singer (East 17)
• 24 October – Eds Chesters, drummer (The Bluetones)
• 7 November – Neil Hannon, Northern Irish musician (The Divine Comedy)
• 11 December – Matthew Strachan, composer and singer-songwriter
• 12 December – David Horne, composer
• 14 December – Beth Orton, singer-songwriter
• 14 December – Jonathan Cole, composer and head of composition, Royal College of Music.
• 18 December - Peshay, producer, DJ, remixer
• 29 December – Aled Jones, boy soprano, later baritone
• date unknown
  • David Bruce, composer
  • Julian Wagstaff, Scottish composer

• 26 February – Ethel Leginska, English-American pianist, music teacher, composer and conductor, 84
• 20 July – Oda Slobodskaya, Russian-born British soprano, 81
• 29 July – Sir John Barbirolli, conductor, 70
• 1 September – Alan Styler, operatic baritone, 44
• 6 September – Louie Pounds, actress and singer, 98
• November – J. Murdoch Henderson, fiddler, composer and music critic, 68
• 18 November – Gavin Gordon, singer, actor and composer, 68
• 31 December – Cyril Scott, composer and writer, 91
• date unknown
  • Frederic Bayco, organist and composer, 57
  • Frank Lawes, banjo player and composer, 66
  • Frederick William Wadely, organist and composer, 88

• 1970 in British radio
• 1970 in British television
• 1970 in the United Kingdom
• List of British films of 1970