The hosts' boys and girls teams went unbeaten in two days of action at the National Basketball Performance Centre to take the gold medals.
Ireland took the runners-up spots in both categories with 2-1 records, with Scotland third and Wales fourth.
England's Elijah Imevbore was named MVP of the Boys' event with Mojan Malek the Girls' top performer, avergaing 19 points and 13 rebounds per game.
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