Developer to Sell Site and Plans for World’s Tallest Timber Skyscraper

JLL will sell the site which has DA approval for a 51-storey hybrid timber tower in South Perth.


Wed 04 Jun 25

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The developer behind C6, which, once constructed, would become the world’s tallest timber building, has listed the South Perth site for sale. Wood Central can reveal that James Dibble, managing director of Grange Developments, has listed the 2,379sqm site at 4-8 Charles Street, South Perth, with DA approval for 51 stories, with JLL, giving interested buyers up to Friday, June 27, to lodge an expression of interest for the project.

“The C6 Project represents a once-in-a-generation opportunity for investors to be part of a truly transformative development,” according to Sean Flynn, Senior Director of Capital Markets for WA at JLL. “With its approved plans for a carbon-neutral or potentially carbon-negative structure, this project is poised to set new global benchmarks in sustainable high-rise construction.”

Last year, Wood Central reported that Dibble—who spoke at the 2023 version of Timber Construct— “would never build another building that was not hybrid.” In a wide-reaching interview with the Urban Development Institute of Australia’s (UDIA) West Australian chapter, Dibble said the project team was on the lookout for a builder who could manage “cost escalations.”

“We have a detailed design and have run a third round of EOI for the timber pricing,” he said at the time. “We have shortlisted three international timber suppliers, and timber pricing has come down globally, which is helpful.”

Made up of at least 42% timber (including laminated veneer lumber, glulam, and cross-laminated timber), C6 is approved to stand 191.2 metres—three metres taller than Sydney’s Atlassian tower. The WA planning authority approved the development in 2023 after deeming that it met “design excellence” and “global sustainability standards.”

“The C6 Project isn’t just about creating a landmark building; it’s about setting a new standard for sustainable construction on a global scale,” Flynn said. “For investors, this represents an opportunity to be at the forefront of a paradigm shift in urban development.”

Dibble – a strong supporter of mass timber construction systems – said that C6 underwent several design iterations before it was approved by planning authorities. “Just 600 seeds would produce 7,400 cubic metres of mass timber, which would regrow after being used in the development,” he told the Urban Developer in a 2022 interview. “You can’t regrow concrete,” he said, with the project team providing an open-source blueprint that utilises hybrid construction methodology to offset carbon within our built environment.”

“We as a company are not driven solely by profit: we are driven by the need to urgently reduce our carbon footprint whilst delivering happier, healthier homes,” Dibble told the Urban Developer at the time. As for the future, “Australia has a lot to be proud of in this space,” Mr Dibble said. “We have two of the most advanced hybrid buildings, and that is because we have super smart people here that really understand it; we should embrace it.”

Author

  • Jason Ross, publisher, is a 15-year professional in building and construction, connecting with more than 400 specifiers. A Gottstein Fellowship recipient, he is passionate about growing the market for wood-based information. Jason is Wood Central's in-house emcee and is available for corporate host and MC services.

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