NBC traditionally enters the Autumn Badge and Spring Northern Suburbs team competitions, although members can arrange to be entered into Spring Badge if requested.

For Autumn Badge, the club runs between three to four Ladies' teams, usually between Grades 1.2 and 2.2 and six to eight Men's teams, usually between Grades 1.2 and 3.1. These teams are selected by the club and generally have five or six players in a squad, with four being required per match. Autumn Badge runs from March to July, with matches usually held on two courts between 12:00 - 14:30 or 14:30 - 17:00. However, some away teams may choose to play an all day match on one court, which will run from 12:00 - 17:00.

For Northern Suburbs, members can choose their own teammates and will be entered at a grade suitable for the mean level of the side. Teams can either be Mixed or Men's. Mixed teams usually have six members. Men's teams have four.  Northern Suburbs generally runs from early September to mid December, with matches lasting from 13:00 to 17:30.