Windeyer supported free trade and worked to remove duties on the export of New South Wales tobacco to Van Diemen's Land and wheat to the United Kingdom, but supported an import duty of 1 shilling a bushel on foreign wheat on the basis that it would be a revenue not a protective duty.
Windeyer advocated for free trade, aiming to reduce tariffs on New South Wales tobacco exports to Van Diemen's Land and wheat shipments to the United Kingdom. He supported an import duty on foreign wheat, arguing that it would be a revenue-generating measure rather than a protective one.