Since joining the club, he started in the next four matches, playing in either the centre–back and right–back positions. However in a match against Wycombe Wanderers on 25 February 2017, Lelan suffered an injury and was substituted in the 21st minute, as Crawley Town won 2–1. After missing one match, he returned to the starting line–up against Doncaster Rovers and helped the club keep a clean sheet, in a 0–0 draw on 4 March 2017. Lelan then followed up by starting in the right–back position for the next three matches for Crawley Town. However, he found his playing time, mostly coming from the substitute bench for the rest of the 2016–17 season. At the end of the 2016–17 season, Lelan went on to make twenty appearances in all competitions. At the start of the 2017–18 season, Lelan continued to establish himself in the first team, rotating in playing either the centre–back, left–back position and right–back position. He then helped Crawley Town keep two consecutive clean sheets in two matches between 26 August 2017 and 2 September 2017 against Swindon Town and Yeovil Town. Lelan helped the club keep four clean sheets out of the five matches between 7 October 2017 and 28 October 2017. Since the start of the 2017–18 season, he started in every match until he was dropped to the substitute bench for the next two matches between 21 November 2017 and 25 November 2017. But Lelan made his return to the starting line–up against Mansfield Town on 9 December 2017 and helped Crawley Town keep a clean sheet, in a 2–0 win. He then regained his first team place for the next ten matches for the club. However, Lelan lost his first team place and was placed on the substitute bench for the rest of the 2017–18 season. At the end of the 2017–18 season, he went on to make thirty–three appearances in all competitions. On 14 May 2018, it was announced that Lelan would leave Crawley at the end of his current deal in June. Aldershot Town On 2 July 2018, following his release from Crawley, Lelan agreed to join National League side Aldershot Town. He made his debut for the club, starting the whole game in the right–back position, in a 1–0 loss against Solihull Moors on 11 August 2018. Since joining Aldershot Town, Lelan quickly became a first team regular, playing in either the