| 1 | 313* | SJ Cook | for Somerset | Sophia Gardens, Cardiff | 1990 | f38689 |
| 2 | 277* | RG Twose | for Warwickshire | Edgbaston, Birmingham | 1994 | f41074 |
| 3 | 322* | MB Loye | for Northamptonshire | County Ground, Northampton | 1998 | f43715 |
| 4 | 302 | WR Hammond | for Gloucestershire | Rodney Parade, Newport | 1939 | f16499 |
| 5 | 225 | JH Parsons | for Warwickshire | Edgbaston, Birmingham | 1927 | f12105 |
| 6 | 266 | DJ Vilas | for Lancashire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2019 | f59566 |
| 7 | 197 | J Whitehouse | for Warwickshire | Edgbaston, Birmingham | 1980 | f33216 |
| 8 | 142 | PH Edmonds | for Middlesex | St Helen's, Swansea | 1984 | f35251 |
| 9 | 130 | JL Clare | for Derbyshire | County Ground, Derby | 2011 | f53280 |
| 10 | 94 | D Klein | for Leicestershire | Sophia Gardens, Cardiff | 2018 | f58833 |
| 11 | 90* | JV Murdin | for Northamptonshire | County Ground, Northampton | 1925 | f11252 |