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Marles away form clarity

August 25, 2026

Tuesday 25 August 2026
Andrew Greene
The West Australian


 The projected cost of the Henderson Defence Precinct remains unclear as  Premier Roger Cook declared it will become the "largest naval  shipbuilding maintenance hub in the southern hemisphere".
 
 Defence Minister Richard Marles dodged questions about the eventual price tag  and how it would be paid for while joining the Prime Minister to unveil the  boundaries for the facility, which will help support nuclear-powered AUKUS  submarines.
 
 "The selection of this site is a major step towards establishing a  world-class sovereign shipbuilding and sustainment hub right here in Western  Australia," Anthony Albanese declared after touring the soon to be  revamped shipyard on Monday.
 
 "This will support thousands of well-paid, highly skilled jobs and  deliver continuous naval shipbuilding and sustainment in WA for generations  to come."
 
 Mr Cook praised the deal struck between the Government and the Commonwealth,  declaring: "Today, we are firing the starting gun on the largest naval  shipbuilding maintenance hub in the southern hemisphere."
 
 Mr Marles was then asked about reports in The West Australian that the  estimates for the project had risen from an initial figure of $25 billion to  anywhere up to $70b.
 
 "The sort of money that you're seeing in today's newspapers, I mean,  we're not imagining any of that but we are really clear that what we have  committed in terms of the Budget gets us to the milestones that are in the  medium term, and we're well aware that future investment will need to be  made, and we're preparing for that as well," Mr Marles said.
 
 "We have the $12b commitment in respect of what we imagine to be a $25b  equipment over the course of the decade, and that funding and beyond is  something that we will work through in the Federal Budget."
 
 When pressed on how additional future costs for the Henderson precinct would  be funded, the Defence Minister insisted it would be "something that we  will work through in the Federal Budget".
 
 Last year, the Defence Department confirmed that the $25b estimate for the  Henderson Defence Precinct was "roughed-up numbers" developed  during initial studies in 2023-24 and flagged the "figure will evolve as  we mature our design".
 
 Shadow defence minister James Paterson took aim at the Federal Government's  response and demanded Labor be upfront about what the latest estimates of  cost for the facility are.
 
 "Henderson is one of Australia's largest and most important defence  projects," Senator Paterson said.
 
 "It's critical to the success of AUKUS.
 
 "Australians deserve more than incoherent waffle about whether or not it  has blown out by almost 300 per cent to $70b.
 
 "If that figure is even remotely correct we need to understand exactly  why."
 
 Under the new plans a designated area for AUKUS nuclear-powered submarine  sustainment facilities will be in the central sector of the revamped  Henderson site, while naval shipbuilding and ship sustainment will be located  to the south.

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