Pro40 National League National League

| Season | _1st_Division | Relegated | _2nd_Division | Promoted |
|---|---|---|---|---|
| NatWest Pro40 | NatWest Pro40 | NatWest Pro40 | NatWest Pro40 | NatWest Pro40 |
| 2009 | Sussex | Not applicable | Warwickshire | Not applicable |
| 2008 | Sussex | Middlesex, Lancashire | Essex | Yorkshire |
| 2007 | Worcestershire | Warwickshire, Essex, Northamptonshire | Durham | Somerset, Middlesex |
| 2006 | Essex | Glamorgan, Durham, Middlesex | Gloucestershire | Worcestershire, Hampshire |
| totesport League | totesport League | totesport League | totesport League | totesport League |
| 2005 | Essex | Gloucestershire, Worcestershire, Hampshire | Sussex | Durham, Warwickshire |
| 2004 | Glamorgan | Warwickshire, Kent, Surrey | Middlesex | Worcestershire, Nottinghamshire |
| National League | National League | National League | National League | National League |
| 2003 | Surrey | Leicestershire, Yorkshire, Worcestershire | Lancashire | Northamptonshire, Hampshire |
| Norwich Union League | Norwich Union League | Norwich Union League | Norwich Union League | Norwich Union League |