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Function Centre

Customs House Sydney

31 Alfred Street, Sydney NSW 2000

Customs House Sydney offers function spaces at Circular Quay, including the Barnet Long Room.

Connected event spaces

The operator’s venue page describes a function room connected with a boardroom, reception lounge and a balcony looking over Customs House Square.

Business-event enquiries

Doltone House handles enquiries through its event-specialist form. Confirm which connected spaces are exclusive to your booking and request capacities for the intended seating layout.

Venue information checked against its official source on 20 October 2026. Confirm current availability, inclusions and prices directly.