The league was created in the year 2000 as part of the full restructuring of club cricket by the ECB.

The leagues all play 50 over games and have featured both overseas, county and test cricketers.

Clubs in the league are also eligible to play in the 2 premier national club cricket competitions, The ECB National Club Twenty20 with the local tournament known as the Winkworth Cup and the ECB National club cup (A 50 over competition) The league adopted a new format in 2019, with the top four teams at the end of the league season qualifying for semi-finals and a final to decide the championship, in the first season Woodhall Spa won the playoff after Bracebridge Heath was unable to field a side for the final.

[2] The competing teams in 2020 were intended to be: Boston, Bourne, Bracebridge Heath, Grantham, Lindum, Louth, Market Deeping, Scunthorpe Town, Sleaford, and Woodhall Spa.

A replacement competition was organised for the later part of the season when cricket again became possible, but with the winners not to be regarded as official league champions.