| Miss Julie Suite | 1976/2000 | orchestra | 18-19 | William Alwyn |
| Miss Julie | 1973-76 | opera in 2 acts | 120 | William Alwyn |
| Juan or The Libertine | 1965-71 | opera in 4 acts | 120 | William Alwyn |
| The Running Man | 1963 | orchestra | 11 | William Alwyn |
| Twelve Diversions for the Five Fingers | 1963 | piano | | William Alwyn |
| In Search of the Castaways – Ship’s Waltz and Rhumba | 1962 | orchestra | 5½ | William Alwyn |
| Swiss Family Robinson | 1960 | orchestra | 9 | William Alwyn |
| Concerto for Piano and Orchestra No. 2 | 1960 | piano and orchestra | 32 | William Alwyn |
| Shake Hands with the Devil | 1959 | solo violin and orchestra | 14 | William Alwyn |
| Fanfare for a Joyful Occasion | 1958 | brass and percussion | 4 | William Alwyn |
| A Night to Remember - Main Titles | 1958 | orchestra | 2-3 | William Alwyn |
| Fortune is a Woman - Prelude | 1957 | orchestra | 4-5 | William Alwyn |
| The Black Tent | 1956 | orchestra | 15-16 | William Alwyn |
| The Moor of Venice: Dramatic Overture | 1956 arr. 2001 | orchestra | 10 | William Alwyn |
| The Ship that Died of Shame - Main Titles | 1955 | orchestra | 2-3 | William Alwyn |
| Geordie | 1955 | orchestra | 17 | William Alwyn |
| Farewell, Companions | 1954-55 | ballad opera for soloists, chorus and orchestra | 80 | William Alwyn |
| The Million Pound Note - Waltz Theme | 1954 | orchestra | 3 | William Alwyn |
| Svengali - 'Libera Me' | 1954 | solo soprano, SATB chorus and orchestra | 3 | William Alwyn |
| The Master of Ballantrae | 1953 | orchestra | 5-6 | William Alwyn |
| Saturday Island - Prelude | 1952 | orchestra | 3 | William Alwyn |
| The Card Suite | 1952 | orchestra | 12-13 | William Alwyn |
| The Crimson Pirate - Overture | 1952 | orchestra | 8 | William Alwyn |
| The Magic Box | 1951 | orchestra | 15 | William Alwyn |
| State Secret | 1950 | orchestra | 16 | William Alwyn |
| Waltz from 'The Cure for Love' | 1950 | solo piano | | William Alwyn |
| The History of Mr Polly | 1949 | orchestra | 20-21 | William Alwyn |
| The Cure for Love - Waltz | 1949 | orchestra | 3-4 | William Alwyn |
| The Rocking Horse Winner - Paul's Last Ride | 1949 | orchestra | 4 | William Alwyn |
| The Fallen Idol | 1948 | orchestra | 20-21 | William Alwyn |
| The Winslow Boy | 1948 | orchestra | 11 | William Alwyn |
| Three Winter Poems | 1948 | string quartet | 9 | William Alwyn |
| Manchester Suite | 1947 | orchestra | 14 | William Alwyn |
| Take My Life - Aria | 1947 | solo soprano and orchestra | 3 | William Alwyn |
| Miranda - Mermaid's Song | 1947 | soprano - harp - strings | 3-4 | William Alwyn |
| Overture in the Form of a Serenade | 1946 | soprano solo, SATB chorus and chamber orchestra | 6 | William Alwyn |
| Odd Man Out | 1946 | orchestra | 26-27 | William Alwyn |
| Prelude and Fugue formed on an Indian Scale | 1946 | solo piano | 3-4 | William Alwyn |
| The Rakes Progress - Calypso | 1945 | orchestra | 4 | William Alwyn |
| The True Glory - March | 1945 | orchestra | 3 | William Alwyn |
| Short Suite II - Sonatina No. 2 | | viola and piano | 8-9 | William Alwyn |
| On Approval | 1944 | orchestra | 6-7 | William Alwyn |
| The Way Ahead - March | 1944 | orchestra | 2 | William Alwyn |
| Desert Victory - Prologue | 1943 | orchestra | 15 | William Alwyn |
| Green Girdle | 1941 | orchestra | 10 | William Alwyn |
| Penn of Pennsylvania | 1941 | orchestra | 11 | William Alwyn |
| Short Suite - Sonatina No. 1 | 1941 | viola and piano | 8 | William Alwyn |
| They Flew Alone | 1941 | orchestra | 7 | William Alwyn |
| Overture to a Masque | 1940 | orchestra | 9-10 | William Alwyn |
| Three Songs | 1940 | voice and piano | 6-7 | William Alwyn |
| Night Thoughts | 1939-40 | solo piano | 5 | William Alwyn |
| Harvest Home | 1938 | piano solo | 6 | William Alwyn |
| Two Irish Folk Songs | | cello quartet | 7-8 | William Alwyn |
| Haze O'Noon (or Haze of Noon) | 1938 | solo piano | 3 | William Alwyn |
| Concerto for Violin and Orchestra | 1937-39 | violin and orchestra | 40 | William Alwyn |
| French Suite | 1937 | chamber ensemble of 4 players | 14 | William Alwyn |
| Scenes from Old London | 1936 | piano solo | | William Alwyn |
| Tragic Interlude | 1936 | small orchestra | 8 | William Alwyn |
| Seven Irish Tunes | 1936 | suite for small orchestra | 9 | William Alwyn |
| String Quartet No. 13 | 1936 | string quartet | 18 | William Alwyn |
| Suite for Small Orchestra | 1935 | small orchestra | 10 | William Alwyn |
| Wooden Walls - Suite of Sea Pieces for Piano | 1935 | piano solo | | William Alwyn |
| Green Hills | 1935 | solo piano | 3 | William Alwyn |
| Fantasia (String Quartet No. 12) | 1935 | string quartet | 12 | William Alwyn |
| Three Negro Spirituals | 1935 | cello and piano | 4-5 | William Alwyn |
| Cricketty Mill | 1935 | solo piano | 4 | William Alwyn |
| By the Farm-yard Gate | 1934 | solo piano | | William Alwyn |
| Seven Negro Spirituals | 1933 | solo piano | | William Alwyn |
| String Quartet No. 11 in B Minor | 1933 | string quartet | 25 | William Alwyn |
| The Marriage of Heaven and Hell – Part 1 | 1933-38 | SATB choir and orchestra | 60 (or 80 with Part 2) | William Alwyn |
| An English Overture “The Innumerable Dance” | 1933 | orchestra | 11 | William Alwyn |
| String Quartet No. 10 | 1932 | string quartet | 17 | William Alwyn |
| Aphrodite in Aulis (after George Moore) | 1932 | small orchestra | 5 | William Alwyn |
| Serenade | 1932 | orchestra | 9-10 | William Alwyn |
| Funeral Rites for the Death of an Artist | 1931 | solo piano | 5 | William Alwyn |
| Two Country Pieces | 1931 | two flutes and piano | | William Alwyn |
| Wood Magic | 1931 | voice - violin - piano | 4 | William Alwyn |
| Caravans | 1931 | solo piano | | William Alwyn |
| Lament of the Tall Tree | 1931 | voice - violin - piano | 1 | William Alwyn |
| The Weather Vane | 1931 | piano solo | 5 | William Alwyn |
| Spring Morning | 1931 | piano solo | | William Alwyn |
| Two Intermezzi | | two pianos | | William Alwyn |
| String Quartet No. 8 in D Minor | 1931 | string quartet | 13 | William Alwyn |
| String Quartet No. 9 in C Major | 1931 | string quartet | 12 | William Alwyn |
| Cuckoo | 1931 | voice and piano | | William Alwyn |
| Heaven-Haven | 1931 | voice and piano | | William Alwyn |
| Songs of Innocence | | voice and string quartet | 13 | William Alwyn |
| I've been roaming | 1930 | vocal duet, flute and piano | | William Alwyn |
| Contes Barbares | 1930-33 | solo piano | 15-16 | William Alwyn |
| Concerto No. 1 for Piano and Orchestra | 1930-31 | piano and orchestra | 15 | William Alwyn |
| “Ad Infinitum” A Satire for Orchestra | 1929 | orchestra | 7 | William Alwyn |
| String Quartet No. 7 in A Minor | 1929 | string quartet | 30 | William Alwyn |
| From Ireland | 1928-1931 | solo piano | | William Alwyn |
| Phantasy Trio | | string trio | 15 | William Alwyn |
| Midsummer Night | 1928-1936 | solo piano | 4-5 | William Alwyn |
| Duna | 1927 | voice, flute and piano | 3-4 | William Alwyn |
| Five Preludes | 1927 | orchestra | 6 | William Alwyn |
| String Quartet No. 6 in E Minor | 1927 | string quartet | 30 | William Alwyn |
| Blackdown | 1926 | solo violin and orchestra | 5 | William Alwyn |
| Peter in the Park | 1926 | piano solo | | William Alwyn |
| Fancy Free | 1926 | solo piano | | William Alwyn |
| Two Irish Pieces | 1926 | solo piano | 4 | William Alwyn |
| Prelude for Orchestra | 1925 | orchestra | 2 | William Alwyn |
| Prelude to the Opera “The Fairy Fiddler” | 1925 | solo violin and orchestra | 6-7 | William Alwyn |
| Derrybeg Fair-Prelude to Scene III of the Opera - “The Fairy Fiddler” | 1925 | solo violin and orchestra | 6-7 | William Alwyn |
| Peter Pan | 1923 | suite for small orchestra | 5 | William Alwyn |
| Seven Irish Tunes | 1923 | string quartet | 9 | William Alwyn |
| Three Irish Folk Tunes | 1920s | flute, cello and piano | | William Alwyn |
| Prelude for Piano | | solo piano | 2 | William Alwyn |
| The Wind and the Rain | | solo piano | | William Alwyn |
| On Milton Hill | | solo piano | | William Alwyn |
| Two Pieces | | viola and piano | | William Alwyn |
| Two Folk Tunes | | viola and harp | | William Alwyn |