| 1970 | The Cherry Orchard | Anton Chekov | Richard Drinkwater |
| Next Time I’ll Sing for You | James Saunders | Christopher Powell |
| The Changeling | Thomas Middleton and William Rowley | Paul Clements |
| Present Laughter | Noel Coward | Bert Briscoe |
| Back to Methuselah | George Bernard Shaw | Kenneth Hill |
| Barefoot in the Park | Neil Simon | Bryn Davies |
| Hedda Gabler | Henrik Ibsen | Richard Drinkwater |
| The School for Scandal | Richard B. Sheridan | Brian Swindell |
| 1971 | Zigger Zagger | Peter Terson | Paul Clements |
| Much Ado About Nothing | William Shakespeare | Thelma Jonsson |
| The Ruling Class | Peter Barnes | Richard Drinkwater |
| Who’s Afraid of Virginia Woolf | Edward Albee | Ron Barber |
| A Day in the Death of Joe Egg | Peter Nicholls | Christopher Powell |
| Separate Tables | Terence Rattigan | Audrey E. Waterson |
| The Caretaker | Harold Pinter | Kenneth Hill |
| A Man For All Seasons | Robert Bolt | Robert Leach |
| The Hollow Crown | John Barton | Thelma Jonsson |
| The Happiest Days of Your Life | John Dighton | Terence Coates |
| 1972 | The Rehearsal | Jean Anouilh | Ron Barber |
| Oedipus / Fratricide Punished | Sophocles / Anon. | Kenneth Hill |
| A Delicate Balance | Edward Albee | Richard Drinkwater |
| Andromache | Racine | Bert Briscoe |
| Our Town | Thornton Wilder | Anne Jones |
| Hay Fever | Noel Coward | Bryn Davies |
| The Seagull | Anton Chekov | Ron Barber |
| Guys and Dolls | Frank Loesser | Richard Drinkwater |
| The Owl and the Pussycat | Sheila Ruskin and David Wood | Christopher Powell and Keith Withall |
| 1973 | The Daughter-in-Law | D. H. Lawrence | Robert Leach |
| Twelfth Night | William Shakespeare | Thelma Jonsson |
| The Italian Girl | James Saunders and Iris Murdoch | Anne Jones |
| The Price | Arthur Miller | Gareth Owen |
| Dear Octopus | Dodie Smith | Terence Coats |
| Forget-Me-Not Lane | Peter Nicholls | Terry Fletcher |
| The Rivals | Richard B. Sheridan | Patty McGregor |
| Beauty and the Beast | Nicholas Stuart Gray | Bryn Davies |
| 1974 | The Dance of Death | August Strindberg, translated by C. D. Locock | Richard Drinkwater |
| Landscape / Silence | Harold Pinter | Brian Swindell |
| Romeo and Juliet | William Shakespeare | Ron Barber |
| The Lion In Winter | James Goldman | Bert Briscoe |
| The Trojan Women / Lysistrata | Euripides / Aristophanes | Thelma Jonsson |
| Arms and the Man | George Bernard Shaw | Patty McGregor |
| Fred Who? | James Clayton, Bryn Davies, Terry Fletcher and Eddie Matthews | James Clayton, Bryn Davies, Terry Fletcher and Eddie Matthews |
| Dangerous Corner | J. B. Priestley | Bert Briscoe |
| Charley’s Aunt | Brendan Thomas | Joan Stevens |
| 1975 | Getting On | Alan Bennett | Kevan Brighting |
| The Merchant of Venice | William Shakespeare | Brian Swindell |
| Home | David Storey | Ella Lane |
| A Streetcar Named Desire | Tennessee Williams | Ron Barber |
| An Ideal Husband | Oscar Wilde | Bert Briscoe |
| Thunder | Richard Crane | Thelma Jonsson |
| Lloyd George Knew My Father | William Douglas Home | Joan Stevens |
| A Month in the Country | Ivan Turgenev | Ron Barber |
| Gaslight and Garters | Various | Margaret Powell |
| 1976 | The Sea | Edward Bond | John Lane |
| Old Times | Harold Pinter | Terry Fletcher |
| The Winter’s Tale | William Shakespeare | Richard Drinkwater |
| Puttin’ on the Ritz | Various | Ron Barber and Brenda Beasley |
| Pygmalion | George Bernard Shaw | Thelma Jonsson |
| Gigi | Anita Loos | Joan Stevens |
| Death of a Salesman | Arthur Miller | Kevan Brighting |
| Gaslight and Garters | Various | Margaret Powell |
| 1977 | What the Butler Saw | Joe Orton | Ian Hudson |
| The Duchess of Malfi | John Webster | George Harrison |
| Puttin’ on the Style | Various | Ron Barber and Brenda Beasley |
| Wait Until Dark | Frederick Knott | Ella Lane |
| Habeas Corpus | Alan Bennett | Thelma Jonsson |
| Crown Matrimonial | Royce Ryton | Patty McGregor |
| The Entertainer | John Osborne | Terry Fletcher |
| The Curse of the Werewolf | Kenneth Hill | Ian Hudson |
| 1978 | The Misanthrope | Moliere | Ron Barber |
| Staircase | Charles Dyer | Kevan Brighting |
| Stop the World I Want to Get Off | Leslie Bricusse and Anthony Newley | Richard Drinkwater |
| Awake and Sing | Clifford Odets | Ella Lane |
| Mrs Warren’s Profession | George Bernard Shaw | Stephen Downing |
| Absent Friends | Alan Ayckbourn | Vernon Hicks |
| Royal Hunt of the Sun | Peter Shaffer | Euan C. Rose |
| The Wizard of Oz | L. Frank Baum, Harold Arlen & E. Y. Harburg | Richard Drinkwater |
| 1979 | Dusa, Fish, Stas and Vi | Pam Gems | Thelma Jonsson |
| Kennedy’s Children | Robert Patrick | Euan C. Rose |
| Richard III | William Shakespeare | George Harrison |
| Alice in Dreamsville | Gareth Owen | Gareth Owen |
| Blithe Spirit | Noel Coward | Joan Stevens |
| Semi Monde | Noel Coward | Ronald Barber |
| The Philanthropist | Christopher Hampton | Vernon Hicks |
| Murder in the Cathedral | T. S. Eliot | Stephen Downing |
| Something’s Afoot | James MacDonald, David Vos and Robert Gerlach | Robert Fox |