| Extras | B | LB | W | NB | Pen |
| 45 | | 2 | 19 | 24 | | v British Universities | FP Fenner's Ground, Cambridge | 1996 | a9850 |
| 40 | 2 | 20 | 16 | 2 | | v Nottinghamshire | Trent Bridge, Nottingham | 2000 | a12893 |
| 40 | 1 | 8 | 31 | | | v Leicestershire | Lord's Cricket Ground, St John's Wood | 2004 | a16039 |
| 39 | | 15 | 16 | 8 | | v Nottinghamshire | Lord's Cricket Ground, St John's Wood | 1999 | a11864 |
| 38 | 4 | 13 | 19 | 2 | | v Sussex | Lord's Cricket Ground, St John's Wood | 1980 | a2692 |
| 36 | | 7 | 20 | 9 | | v Leicestershire | Grace Road, Leicester | 1996 | a9954 |
| 36 | | 4 | 20 | 12 | | v New Zealanders | John Walker's Ground, Southgate | 1999 | a12074 |
| 34 | 5 | 6 | 3 | 20 | | v Yorkshire | Headingley, Leeds | 1996 | a9948 |
| 34 | 3 | 12 | 9 | 10 | | v Sussex | Lord's Cricket Ground, St John's Wood | 1998 | a11129 |
| 34 | | 5 | 29 | | | v Lancashire | Lord's Cricket Ground, St John's Wood | 2005 | a16586 |
| 34 | 4 | 9 | 11 | 10 | | v Leicestershire | Brunton Memorial Ground, Radlett | 2022 | a29321 |
| 33 | 6 | 16 | 3 | 8 | | v Yorkshire | Lord's Cricket Ground, St John's Wood | 1979 | a2403 |
| 33 | | 12 | 15 | 6 | | v Warwickshire | Lord's Cricket Ground, St John's Wood | 1996 | a9931 |
| 33 | | 9 | 14 | 10 | | v Essex | County Ground, Chelmsford | 1997 | a10479 |
| 33 | | 14 | 19 | | | v Ireland | Lord's Cricket Ground, St John's Wood | 1998 | a11153 |
| 33 | | 13 | 16 | 4 | | v Glamorgan | Lord's Cricket Ground, St John's Wood | 2000 | a12762 |
| 33 | 2 | 7 | 16 | 8 | | v Herefordshire | Mortimer Park, Kingsland | 2001 | a13569 |
| 32 | 3 | 14 | 15 | | | v Ireland | Castle Avenue, Dublin | 1997 | a10448 |
| 32 | | 13 | 17 | 2 | | v Somerset | Lord's Cricket Ground, St John's Wood | 1997 | a10506 |
| 32 | 1 | 11 | 18 | 2 | | v Essex | Uxbridge Cricket Club Ground, Uxbridge | 1998 | a11195 |
| 32 | | 18 | 14 | | | v Surrey | Woodbridge Road, Guildford | 1998 | a11300 |
| 32 | 5 | 21 | 6 | | | v Sussex | Old Deer Park, Richmond | 2001 | a13693 |
| 32 | 11 | 8 | 13 | | | v Hampshire | The Rose Bowl, Southampton | 2001 | a13704 |
| 32 | 2 | 10 | 20 | | | v Hampshire | The Rose Bowl, Southampton | 2003 | a15084 |
| 32 | 1 | 13 | 16 | 2 | | v Worcestershire | County Ground, New Road, Worcester | 2004 | a16010 |
| 32 | 5 | 11 | 16 | | | v Kent | Lord's Cricket Ground, St John's Wood | 2008 | a18959 |
| 31 | 4 | 21 | 5 | 1 | | v Somerset | County Ground, Taunton | 1980 | a2638 |
| 31 | 4 | 7 | 14 | 6 | | v Hampshire | County Ground, Southampton | 1998 | a11350 |
| 31 | 4 | 8 | 19 | | | v Derbyshire | County Ground, Derby | 2000 | a12690 |
| 31 | | 14 | 15 | 2 | | v Essex | County Ground, Chelmsford | 2000 | a12819 |
| 30 | | 14 | 12 | 4 | | v Glamorgan | Lord's Cricket Ground, St John's Wood | 1996 | a9836 |
| 30 | 1 | 7 | 20 | 2 | | v Somerset | Uxbridge Cricket Club Ground, Uxbridge | 1996 | a10051 |
| 30 | 5 | 7 | 14 | 4 | | v Yorkshire | John Walker's Ground, Southgate | 2004 | a16027 |
| 30 | 3 | 9 | 10 | 8 | | v Kent | St Lawrence Ground, Canterbury | 2011 | a21475 |
| 30 | 10 | 12 | 6 | 2 | | v Kent | Brunton Memorial Ground, Radlett | 2018 | a26414 |
