Eastern Counties 2 (1987–1993) The original Eastern Counties 2 was a tier 9 league with promotion up to
Eastern Counties 1 and relegation down to
Eastern Counties 3.
Eastern Counties 2 (1993–96) The creation of
National 5 South meant that Eastern Counties 2 dropped from a tier 9 league to a tier 10 league for the years that National 5 South was active. Promotion and relegation continued to
Eastern Counties 1 and
Eastern Counties 3 respectively.
Eastern Counties 2 (1996–2000) The cancellation of
National 5 South at the end of the 1995–96 season meant that Eastern Counties 2 reverted to being a tier 9 league. Promotion continued to
Eastern Counties 1, while relegation was to
Eastern Counties 3, which would split into two regional divisions - north and south - ahead of the 1997–98 season.
Eastern Counties 2: North / South (2000–2003) East Counties 2 was split into two regional divisions - north and south - and the introduction of
London 4 North East ahead of the 2000–01 season meant the divisions dropped to become tier 10 leagues. Promotion was to
Eastern Counties 1 and relegation to
Eastern Counties 3 - north or south.
Eastern Counties 2 (2003–2009) Eastern Counties 2 re-merged into a single division ahead of the 2003–04 season, continuing to be a tier 10 league. Promotion continued to
Eastern Counties 1 and after the cancellation of
Eastern Counties 3 at the end of the 2003–04 season, there was no relegation.
Eastern Counties 2 (2009–2014) Eastern Counties 2 remained a tier 10 league despite national restructuring by the
RFU. Promotion continued to
Eastern Counties 1 and there was no relegation.
Eastern Counties 2: North / South / West (2014–present) Eastern Counties 2 was once again restructured - this time into three regional divisions - north, south and west. It remained a tier 10 league with promotion to
Eastern Counties 1 and the reintroduction of
Eastern Counties 3 meant there was once again relegation to one of its regional divisions - north, south or west. ==Promotion play-offs==