In 2013 the six teams to compete in the Conference League South were,[1] Bristol Sonics, Nottingham Outlaws and St Albans Centurions joined from National Conference League Division 3; Leicester Storm and Northampton Demons were elevated from the premier division of Midlands Rugby League and Sheffield Hallam Eagles joined as a new side after the collapse of the Championship reserve under-23 division.

Bristol Sonics dropped down to the West of England Rugby League in 2015 which allowed four new clubs to join; Gloucestershire Warriors, Coventry Bears Reserves, Torfaen Tigers and Raiders RL alongside the return of Oxford Cavaliers.

The 2020 season was abandoned due to the COVID-19 pandemic, but the competition resumed in 2021, with a maiden title for Wests Warriors beating local rivals London Chargers 20 points to 10.

For the 2023 season, the geographic split of the league has been removed with all teams in the divisions below being able to apply to enter the competition if they so wish.

When the fixture list was released, only 8 teams have entered the division - All Golds, Bedford Tigers, Brentwood Eels, Eastern Rhinos, Hammersmith Hills Hoists, London Chargers, North Herts Crusaders, Wests Warriors.