March 2024

Construction cost escalation in Australia continues trending back to normal rates

But declines in costs are not expected, rather, we expect positive escalation at more normal rates from the new, higher base

This note provides a summary from the latest report on cost escalation projections - Australian Construction Cost Trends.

The period of elevated construction cost growth across Australia appears to be coming to an end. Average cost inflation across the construction sector slowed to 7.4% over the year to June 2023, and then eased even further to 4.2% in the year ending December 2023. This is a reprieve from the peak inflation rate of 11.2% a year prior.
Costs have been stabilising within the residential sector. The most recent data, up to December 2023, marks the fifth consecutive slowdown in the quarterly pace of growth for detached dwellings. This took the annual growth in the index to 4.1%, a sharp decline from close to 20% in the same period last year. Similarly, cost inflation for the other sectors in construction have dropped back down to single digit rates.

Some of the factors which initially drove the surge in cost inflation have now dissipated, such as the sharp rise in commodities prices, which has now largely reversed. But other factors persist, with the key drivers of the current rate of cost inflation being:
  • Strong levels of non-residential building, transport infrastructure, and house building across Australia, which is pushing up demand for all inputs to construction,
  • Capacity constraints in the building, construction and materials sectors, supply shortages and delays in various areas,
  • Higher inflation expectations and very low unemployment, pushing up wages growth, and,
  • The lagging impact of higher commodity prices on the cost of some products.
A number of input items that have recently spiked are now seeing slower price growth, with significant declines in prices expected to follow. This is most notably the case with steel, other metals, piping costs and fuel prices. We expect the prices of these products to decline over the next two years.

Construction cost inflation should ease back to around 1.9% in the year to June 2024 and continue to follow a more normal rate thereafter.

The key point to note, however, is that we do not expect costs to drop back again following the previous surge – rather we expect costs to continue rising from the new, higher base, albeit at more normal rates of increase.

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Our most recent reports:

Australian Construction Cost Trends

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Australian Regional Construction Outlook

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Australian Construction Outlook - Transport Infrastructure

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