New private capital spending lifted 2.2 per cent to $35 billion in the December quarter.
This follows a 0.6 per cent fall in new spending on equipment and other physical assets in the three months to September.
The Australian Bureau of Statistics' capex report revealed a sharp 3.6 per cent uplift in building and structures expenditure and a more modest 0.6 per cent rise in equipment, plant, and machinery spending.