| 1928 | Quatre chansons françaises | Confirmado | 15' |
| 1931 | Plymouth Town (ballet para pequena orquestra) | Confirmado | 25' |
| 1932 | Sinfonietta, op. 1 | Confirmado | 15' |
| 1932 | Sinfonietta, op. 1 (versão para small orchestra) | Confirmado | 15' |
| 1934 | Sinfonia simples, op. 4 | Confirmado | 17' |
| 1936 | Irish Reel (for orchestra) | Confirmado | 3' |
| 1936 | Irish Reel (for banda sinfónica) | Confirmado | 4' |
| 1936 | Our Hunting Fathers, op. 8 | Confirmado | 27' |
| 1936 | Russian Funeral (for brass and percussion) | Confirmado | 6' |
| 1936 | Soirées musicales, op. 9 (Suite of cinco andamentos de Rossini) | Confirmado | 11' |
| 1936 | Temporal Variations (for oboe and string orchestra) | Confirmado | 15' |
| 1937 | Mont Juic, op. 12 (Suite of Catalan Dances, with Lennox Berkeley) | Confirmado | 12' |
| 1937 | The Company of Heaven (cantata) · coro | Confirmado | 45' |
| 1937 | Variações sobre um tema de Frank Bridge, op. 10 | Confirmado | 25' |
| 1938 | Concerto para piano, op. 13 (versão original de 1938) | Confirmado | 34' |
| 1938 | Concerto para piano, op. 13 (versão revista de 1945) | Confirmado | 33' |
| 1939 | Ballad of Heroes, op. 14 · coro | Confirmado | 15' |
| 1939 | Canadian Carnival (Kermesse Canadienne), op. 19 | Confirmado | 14' |
| 1939 | Johnson over Jordan (complete música incidental) | Confirmado | 35' |
| 1939 | Johnson over Jordan: Suíte | Confirmado | 18' |
| 1939 | Les Illuminations, op. 18 | Confirmado | 21' |
| 1939 | The Spider and the Fly | TBD | 4' |
| 1939 | The Sword in the Stone: Concert Suite | Confirmado | 10' |
| 1939 | Concerto para violino, op. 15 | Confirmado | 31' |
| 1939 | Young Apollo, op. 16 | Confirmado | 10' |
| 1940 | Diversions on a Theme, op. 21 | Confirmado | 23' |
| 1940 | Sinfonia da Requiem, op. 20 | Confirmado | 20' |
| 1941 | Fourteen Folk Songs (arranged para voz e orquestra) | TBD | 16' |
| 1941 | Matinées musicales, op. 24 (Second Suite of cinco andamentos de Rossini) | Confirmado | 13' |
| 1941 | Abertura: Paul Bunyan (for orchestra) | Confirmado | 5' |
| 1941 | Abertura: Paul Bunyan (for symphonic banda sinfónica) | Confirmado | 7' |
| 1941 | Paul Bunyan, op. 17 (operetta in dois atos) · ópera · coro | Confirmado | 114' |
| 1941 | Scottish Ballad, op. 26 | Confirmado | 13' |
| 1942 | Movement para clarinete e orquestra | Confirmado | 6' |
| 1942 | Movements for a Concerto para clarinete (devised and orquestrado por Colin Matthews) | Confirmado | 17' |
| 1943 | Now Sleeps the Crimson Petal (rejected movement from the Serenade, op. 31) | Confirmado | 5' |
| 1943 | Prelúdio e Fuga for 18-part String Orchestra, op. 29 | Confirmado | 9' |
| 1943 | Serenata para tenor, trompa e cordas, op. 31 | Confirmado | 24' |
| 1945 | Quatro interlúdios marítimos de Peter Grimes, op. 33a | Confirmado | 17' |
| 1945 | Passacaglia de Peter Grimes, op. 33b | Confirmado | 7' |
| 1945 | Peter Grimes, op. 33 (ópera completa) · ópera · coro | Confirmado | 147' |
| 1946 | Abertura Occasional em dó, op. 38 | Confirmado | 8' |
| 1946 | The Rape of Lucretia, op. 37 (ópera completa, revista 1947) · ópera | Confirmado | 107' |
| 1946 | Guia da Orquestra para Jovens, op. 34 | Confirmado | 17' |
| 1947 | A Charm of Lullabies, op. 41 (orch. Colin Matthews) | Confirmado | 12' |
| 1947 | Albert Herring, op. 39 (complete comic opera) · ópera | Confirmado | 137' |
| 1947 | Men of Goodwill (variations on “God Rest Ye Merry, Gentlemen”) | Confirmado | 8' |
| 1948 | Lachrymae, op. 48a (reflections on a song of Dowland, para viola e cordas) | Confirmado | 15' |
| 1948 | Saint Nicolas, op. 42 · coro | Confirmado | 50' |
| 1948 | The Beggar's Opera, op. 43 (John Gay, realised by Britten) · ópera · coro | Confirmado | 108' |
| 1949 | Spring Symphony, op. 44 · coro | Confirmado | 45' |
| 1949 | The Little Sweep, op. 45 (the opera de Let's Make an Opera) · ópera · coro | Confirmado | 45' |
| 1953 | Gloriana, op. 53 (ópera completa, revista 1966) · ópera · coro | Confirmado | 148' |
| 1953 | Gloriana: Courtly Dances | Confirmado | 10' |
| 1953 | Gloriana: Suíte sinfónica, op. 53a | Confirmado | 26' |
| 1954 | The Turn of the Screw, op. 54 (ópera completa) · ópera | Confirmado | 101' |
| 1956 | The Prince of the Pagodas, op. 57 (ballet completo) | Confirmado | 119' |
| 1956 | The Prince of the Pagodas: Pas de Six, op. 57a | Confirmado | 12' |
| 1956 | The Prince of the Pagodas: Prelúdio and Dances, op. 57b (selected by Norman Del Mar) | Confirmado | 27' |
| 1957 | Noye's Fludde, op. 59 (the Chester miracle play) · ópera · coro | Confirmado | 50' |
| 1957 | The Prince of the Pagodas: Suíte (compiled Cooke & Mitchell) | Confirmado | 47' |
| 1958 | Noturno, op. 60 | Confirmado | 25' |
| 1959 | Cantata academica, carmen basiliense, op. 62 · coro | Confirmado | 22' |
| 1960 | Sonho de uma Noite de Verão, op. 64 (ópera completa) · ópera · coro | Confirmado | 144' |
| 1960 | Billy Budd, op. 50 (ópera completa, revista two-act version) · ópera · coro | Confirmado | 158' |
| 1962 | Requiem de Guerra, op. 66 · coro | Confirmado | 85' |
| 1963 | Cantata misericordium, op. 69 · coro | Confirmado | 20' |
| 1963 | Sinfonia para violoncelo e orquestra, op. 68 | Confirmado | 34' |
| 1964 | Curlew River, op. 71 (first parable for church performance) · ópera · coro | Confirmado | 71' |
| 1966 | The Burning Fiery Furnace, op. 77 (second parable for church performance) · ópera · coro | Confirmado | 64' |
| 1967 | The Building of the House, op. 79 (overture, versão orquestral) | Confirmado | 6' |
| 1967 | The Building of the House, op. 79 (overture, symphonic banda sinfónica) | Confirmado | 6' |
| 1968 | The Prodigal Son, op. 81 (third parable for church performance) · ópera · coro | Confirmado | 72' |
| 1969 | Children's Crusade, op. 82 (ballad para children's vozes) · coro | Confirmado | 19' |
| 1971 | Owen Wingrave, op. 85 (ópera completa) · ópera | Confirmado | 106' |
| 1973 | Death in Venice, op. 88 (ópera completa) · ópera · coro | Confirmado | 145' |
| 1973 | Suíte de Death in Venice, op. 88a | Confirmado | 27' |
| 1974 | Suíte on English Folk Tunes, op. 90 “A Time There Was…” | Confirmado | 14' |
| 1975 | Phaedra, op. 93 (dramatic cantata) | Confirmado | 15' |
| 1976 | Praise We Great Men (completed Colin Matthews) · coro | Confirmado | 7' |
| 1976 | Welcome Ode, op. 95 · coro | Confirmado | 8' |