[5] Cradley Heathens fully entered the league after the previous season National Trophy only commitment, while the Buxton Hitmen decided not compete and only run open meetings (friendlies).
[6] It was announced on Tuesday 10 September before the end of the 2019 National Development League season that Stoke Potters' home venue at Loomer Road Stadium had been sold and that the team would not be operating in 2020.
Home team scores are in bold Overall aggregate scores are in red Semi-finals Grand Final [15] The 2019 National Development League Knockout Cup was the 22nd edition of the Knockout Cup for tier three teams.
[29] The National League Pairs Championship, was held at Owlerton Stadium, on 25 August 2019.
Stoke won the NDL Fours, held on 13 July 2019 at Loomer Road Stadium.