Fletcher Building unlocks 50-year Hunua Quarry runway
2 min read
11:04am on Thursday 15th of October, 2026 AEDT ~11am, 15th Oct, 26
Fletcher Building has secured Fast Track approval to expand and deepen its Hunua Quarry, opening access to approximately 225 million tonnes of greywacke. The consent could support more than 50 years of quarry operations, although the announcement does not quantify development costs, timing or financial returns.
- Fast Track approval granted for Hunua Quarry expansion and deepening
- Approximately 225 million tonnes of greywacke resource available
- Approval supports more than 50 years of potential operations
- Project remains subject to a comprehensive set of conditions
- No project cost, production uplift or earnings guidance disclosed
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Hunua Quarry receives Fast Track approval
Fletcher Building Limited (ASX:FBU) has cleared a major regulatory hurdle at its Hunua Quarry, with an Expert Panel approving the expansion and deepening of Winstone Aggregates’ existing operation under New Zealand’s Fast Track Approvals Act. The decision provides access to approximately 225 million tonnes of high-quality greywacke and supports potential quarry operations at the site for more than 50 years.
The approval materially increases the available and consented resource at Hunua, which has supplied aggregate to Auckland for around a century. Fletcher Building chief executive Andrew Reding said the decision secured a long-term source of aggregate for the region, where the material is used in infrastructure, housing and commercial development.
Long-term supply secured, but economics remain undisclosed
For Winstone Aggregates, the strategic value is clear: the quarry will remain positioned close to a major market, potentially supporting local supply as Auckland’s construction needs develop. The filing, however, stops short of putting a financial value on the resource or stating how the approval might affect production volumes, capital expenditure, revenue or earnings.
The approvals package includes the principal consents and authorisations required for the quarry development and related conditions. Fletcher says it is committed to meeting those requirements and will continue engaging with mana whenua, neighbouring landowners and the local community as the project progresses.
Conditions will shape the next phase
The approval is therefore an important enabler rather than an immediate production announcement. The next material disclosures are likely to concern implementation timing, development spending, compliance with approval conditions and any eventual change in quarry capacity. Until those details emerge, the 225 million-tonne figure describes the scale of the consented resource, not a forecast of near-term sales or cash flow.
Bottom Line?
The approval gives Fletcher Building a decades-long resource runway at Hunua; the investment case now turns on development cost, timing and how much of that resource can be converted into profitable supply.
Questions in the middle?
- What capital expenditure and development timetable will Fletcher Building set for the quarry expansion and deepening?
- When could the approved resource translate into higher production or sales volumes?
- How will the project’s conditions and ongoing community engagement affect its pace and cost?
Sources
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Fletcher Building welcomes Hunua Quarry Fast Track approval (opens in a new tab)Verified source. Fletcher Building Limited · 15 Oct 2026 · fletcherbuilding.com
