The Grimsby-born forward has a proven record at Vanarama National League North level and notched an impressive tally of fifty-two goals in seventy-four starts for Boston United in the competition between 2014 and 2016.

Southwell began his career in his hometown in 2011 and played forty-two games for the Mariners before moving on to have brief spells with the likes of Wycombe Wanderers, Guiseley, and Halifax Town, before joining Kings Lynn in January 2020.

Southwell boasts an ‘England C’ team cap having been called up for their fixture against Slovakia back in May 2016. He will help to bolster Alfreton’s attack as they prepare for the new 2021/2022 season to commence on 14th August away at Blyth Spartans.