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Australian Structural Timber Prices Hold Firm Despite Diesel Crisis

New FWPA data shows treated and untreated structural timber prices fell across the March quarter, even as wholesale diesel nearly doubled in the wake of the Iran crisis.


Fri 24 Apr 26

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Australia’s diesel crisis might have pushed the country’s largest harvest-and-haulage operators to the brink, but it has yet to materially lift prices for the treated and untreated structural timbers used to build houses nationwide. That is according to new data from Forest and Wood Products Australia, which revealed that structural timber prices fell across the March quarter, even as wholesale diesel nearly doubled in the wake of the Iran crisis.

The data were drawn from the Australian Institute of Petroleum’s pricing data to trace the diesel surge from late February into late March, a five-week run that stoked concern across manufacturing, logistics, and transport. Yet its data showed that both treated and untreated structural timber prices, which dominate Australian house framing, fell against the final three months of last year.

Carpenters raising timber frame on a predominantly timber-framed two-storey Australian home under construction, illustrating the timber-maximised residential category in the Wood Beca Building a Low-Carbon Future report
New data shows that prices for treated and untreated structural timber, the lines that dominate domestic house framing, both fell against the final three months of 2025, even as wholesale diesel nearly doubled, and residential construction remained directly exposed to rising energy costs. (Photo Credit: Alamy Stock Images)

“Most businesses are unlikely to pass these higher costs fully on to consumers,” the FWPA report said, with firms absorbing part of the impact through margin compression whilst closely monitoring market conditions. A sustained run of elevated fuel prices over the next 6 to 12 months would force a more gradual adjustment, the report said, with partial cost pass-through running alongside operational efficiencies.

Anthony Dorney fuels a wheel loader at SA Relf's on-site bulk tank in Bulahdelah — a log-laden truck visible behind him carrying the hardwood that feeds building sites across the eastern seaboard. "It cost me $2.90 per litre, which is obscene," he told Wood Central. (Photo Credit: Wood Central / Central PR Group, shared for exclusive use by the Dorney family)
Anthony Dorney, one of the country’s largest harvest and haulage contractors and the fourth generation of his family to move structural timber on the NSW Mid North Coast, was forced to sell the family’s herd of cattle last month to cover a monthly fuel bill that has blown from $220,000 to more than $400,000 since the Iran crisis pushed diesel prices to $4 a litre. (Photo: Supplied to Wood Central / Central PR Group by the Dorney family)

It comes after the federal Government moved on the supply side before the quarter closed, halving the fuel excise and reducing the heavy vehicle road user charge to zero for three months to relieve the squeeze on haulage operators. The data for January to March, therefore, captured a window that largely predates the point at which the fuel-cost pressure would feed through freight, treatment, and distribution contracts.

That matters for the national debate over housing affordability, where timber has repeatedly been cited as a driver of rising construction costs. The FWPA quarterly does not support that claim — “price data indicate that timber prices have not been a primary driver of cost increases,” the report said, with structural timber falling across the March quarter since the fuel crisis began.

Please note: This is part of a special series covering the fuel crisis in regional Australia. For more information, click here for Wood Central’s exclusive coverage.

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  • MASTER BRAND MARK POS RGB e1676449549955

    Wood Central is Australia’s first and only dedicated platform covering wood-based media across all digital platforms. Our vision is to develop an integrated platform for media, events, education, and products that connect, inform, and inspire the people and organisations who work in and promote forestry, timber, and fibre.

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