Boreham Wood will face Whitehawk in the Conference South play-off final after defeating Havant & Waterlooville 4-2 on aggregate.
Wood will have home advantage in Saturday's final as Ian Allinson's side bid to win promotion to the National League.
Allinson's team led 2-0 from the first leg but the visitors gave themselves a lifeline when Brian Dutton headed home the opener at Meadow Park.
But Wood made it 1-1 in the second half when Ricky Shakes intercepted the ball and fired home the equaliser.
The hosts eased any nerves as they took a 2-1 lead on the day when Lee Angol kept his composure to score.
Havant made it 2-2 through JJ Hooper but Wood still safely held out to move within one victory of clinching promotion.
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