The pair beat their friends and training partners Anthony Clark and Donna Kellogg 21-15, 21-12, marking the first time an all-English team has won the event.
Nathan Robertson said afterwards: "This was one of the medals we desperately wanted.
"It was fantastic to have an all-English final, but strange and difficult to be playing the people we train against and share rooms with."
Clark later won another silver with Robert Blair in the Men's Doubles.
25 September 2006
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