The $420,000 project will expand the existing facility by 100sq m to include a multi-purpose room.
The City of Wanneroo sought feedback from resident sporting clubs and nearby residents on the design, with responses from the six clubs all supportive of the proposal.
A report by the City said construction was due to start in July, though if available funds were found during the mid-year budget review then building could start in May.
The facility is expected to open next December.
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READ NOWQuinns District Amateur Football Club had sought larger extensions of between 270-421sqm but abandoned its business case in June, as it would have delayed construction by at least a year.
The plan was supported at the December 6 meeting.