| 191 runs | Kent v Norfolk | Manor Park, Horsford | a14312 |
| 189 runs | Kent Cricket Board v Leicestershire Cricket Board | Leicester Road, Hinckley | a13714 |
| 185 runs | Bedfordshire v Derbyshire Cricket Board | Lancot Park, Totternhoe | a13672 |
| 161 runs | Staffordshire v Hertfordshire | Digswell Park, Welwyn Garden City | a13678 |
| 143 runs | Yorkshire v Devon | The Maer Ground, Exmouth | a14308 |
| 128 runs | Kent v Warwickshire | St Lawrence Ground, Canterbury | a14357 |
| 125 runs | Sussex v Buckinghamshire | Wilton Park, Beaconsfield | a14306 |
| 103 runs | Suffolk v Herefordshire | The Victory Ground, Bury St Edmunds | a13720 |