Columns: Season | Name | Teams | Relegated to League | Promoted to League | Promoted from League | Relegated from League
1996–97 | Courage Championship Division One | 12 | None | Coventry Rugby Lions Rotherham Richmond | Richmond Newcastle Falcons | Rugby Lions Nottingham | 1997–98 | Allied Dunbar Premiership Two | 12 | Orrell West Hartlepool | Exeter Fylde | Bedford West Hartlepool London Scottish | None | 1998–99 | Allied Dunbar Premiership Two | 14 | Bristol | London Welsh Rugby Lions Leeds Tykes Worcester | Bristol | Fylde Blackheath | 1999–00 | Allied Dunbar Premership Two | 14 | West Hartlepool | Henley Manchester | Rotherham | West Hartlepool Rugby Lions | 2000–01 | National Division One | 14 | Bedford Blues | Otley Birmingham-Solihull | Leeds Tykes | Orrell Waterloo | 2001–02 | National Division One | 14 | Rotherham Titans | Bracknell Rugby Lions | None | Henley Bracknell | 2002–03 | National Division One | 14 | None | Plymouth Albion Orrell | Rotherham Titans | Rugby Lions Moseley | 2003–04 | National Division One | 14 | Bristol Shoguns | Henley Penzance & Newlyn | Worcester Warriors | Manchester | 2004–05 | National Division One | 14 | Rotherham Titans | Nottingham Sedgley Park | Bristol | Orrell Henley | 2005–06 | National Division One | 14 | Harlequins | Doncaster Newbury | Harlequins | None | 2006–07 | National Division One | 16 | Leeds Tykes | Moseley Waterloo | Leeds Tykes | Waterloo Otley | 2007–08 | National Division One | 16 | Northampton Saints | Esher Cornish All Blacks | Northampton Saints | Pertemps Bees Cornish All Blacks | 2008–09 | National Division One | 16 | Leeds Carnegie | Otley Manchester | Leeds Carnegie | Esher Newbury Sedgley Park Otley Manchester | 2009–10 | RFU Championship | 12 | Bristol | Birmingham and Solihull | Exeter Chiefs | Coventry | 2010–11 | RFU Championship | 12 | Worcester Warriors | Esher | Worcester Warriors | Birmingham and Solihull | 2011–12 | RFU Championship | 12 | Leeds Carnegie | London Scottish | London Welsh | Esher | 2012–13 | RFU Championship | 12 | Newcastle Falcons | Jersey | Newcastle Falcons | Doncaster Knights