[1] It ran with two divisions until 1974, reduced to one in 1974–75 season, after which it merged with the Spartan League to form the London Spartan League, which was later renamed the Spartan League.
[2] It merged with the South Midlands League in 1997 to form the modern Spartan South Midlands League The new Division One was composed of: All clubs in Division Two except Muirhead Sports had come from the Greater London League.
Division One featured one new club, Penhill Standard, who had been promoted from Division Two the previous season.
Division Two featured one new club, East Thurrock United.
Division One featured two new clubs, East Thurrock United and Highfield, both promoted from Division Two the previous season.