The men's First Grade team was relegated after finishing last in the 2022 season under Head Coach Michael Zakoski, Director of NPL Tim Malone and President Joe Carbone.

The women's First Grade team continues on in the NPL after making it to the final four in 2022 under Coach Scott Conlon and Director of NPLW Football Hamish Cresswell.

Belconnen started the finals series with a narrow 4–3 overtime loss at McKellar Park to Sydney club Bankstown City Lions in the major semi-final.

Belconnen once again played host in the preliminary final against league runner-up and winner of the minor semi-final, St George Saints FC.

The victory led Belconnen to reach the 2003–04 NSW Premier League Grand Final, held at Marconi Stadium, where the Blue Devils faced-off against Bankstown City Lions once again.

The two clubs agreed to play an annual pre-season friendly match in Canberra at McKellar Park named The Bank of Queensland Cup.

The agreement between the two clubs established a formal pathway for Belconnen youngsters to progress and gain the possibility of an A-League contract with Sydney FC.

The increased level of promotion, combined with the pulling power of one of the A-League's most successful clubs, resulted in more than 1800 fans braving the cold to see the Sky Blues claim a 3-0 victory.

Belconnen United president Jaime Garrido said he couldn't be happier with the club's relationship with Sydney FC and that the match had been locked in for next year.

"When we approached Sydney FC chief executive Tony Pignata and put together the proposal, he was like, 'this is good', but words are one thing and actions are another," Garrido said.

Finally, Sydney FC agreed to tour Canberra in 2015 pre-season to host coaching clinics and play a friendly match against the Blue Devils.

[14] Belconnen lost the friendly match against Sydney 0–3 with second half goals to Andrew Hoole, Jacob Tratt and Matt Simon in front of 1,852 fans.

[15] 2 January 2017, Belconnen United entered into an mutual benefiting agreement with NSW NPL club Wollongong Wolves to co-host a "festival of football" in the South Coast town of Nowra.

[16] 28–29 January 2017, The two clubs played a number of women's and men's junior and senior exhibition matches, ran free all-ages coaching and refereeing clinics, training drills, player sessions and family activities at Nowra's Ison Park.

McKellar Park went through a major renovation in 2002 with the building of a new grandstand and other amenities, transforming the once suburban ground into one of the premier association football stadiums in Canberra.

The below table is updated with the statistics and final results for Belconnen United FC following the conclusion of each National Premier League Capital Football season.