| 195 runs | Warwickshire v Minor Counties | Osborne Avenue, Jesmond | a9808 |
| 168 runs | Gloucestershire v Ireland | Castle Avenue, Dublin | a9833 |
| 166 runs | Hampshire v Ireland | County Ground, Southampton | a9797 |
| 152 runs | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | a9799 |
| 128 runs | Yorkshire v Scotland | Headingley, Leeds | a9840 |
| 107 runs | Essex v British Universities | County Ground, Chelmsford | a9815 |
| 104 runs | Derbyshire v Durham | Queen's Park, Chesterfield | a9794 |