Auckland Airport acquires Ihumātao quarry land, secures second runway corridor

The airport controls what happens there, and housing won't be it.
By purchasing the land, Auckland Airport prevents residential development near its future second runway and secures long-term operational compatibility.

On the edge of the Manukau Harbour, near land long held sacred by mana whenua, Auckland Airport has quietly extended its reach — purchasing $79.4 million worth of property around Ihumātao to secure the ground beneath a future that will not arrive until 2038. The acquisition, which includes a working basalt quarry and coastal sections, is less a single transaction than a long act of patience: the airport buying time, space, and the right to shape what comes next. In doing so, it has foreclosed one future — residential housing pressing against the runway — while opening another, one that will require careful negotiation with the people for whom this land has always meant something more than infrastructure.

  • A second runway delayed by a decade has forced the airport to think in generations, not quarters — and this land purchase is the clearest sign yet of that long-horizon thinking.
  • The acquisition removes $79.4m worth of land from the residential housing market at a moment when Auckland's housing pressure is acute, a trade-off the airport frames as operational necessity.
  • Cultural tension simmers beneath the transaction: Ihumātao is not ordinary land, and the airport has explicitly acknowledged that iwi perspectives must shape whatever comes next.
  • An operating quarry, coastal frontage, and harbour-jutting farmland now sit under airport ownership — a patchwork of parcels that together form a buffer zone around the proposed runway corridor.
  • Plans for an industrial business park and public coastal path remain contingent on resource consents and community consultation, meaning the land's future is secured in ownership but still open in form.

Auckland Airport has secured a cluster of properties near Ihumātao, carrying a combined council valuation of $79.4 million, in a move that quietly reshapes the landscape around where a second runway may one day be built. The purchase includes an active basalt and scoria quarry — which the airport will continue to operate — along with coastal sections and surrounding parcels, some reaching into the Manukau Harbour.

The six properties span a range of sizes and values, from a small $1.5 million parcel hemmed in by its neighbours to a 30.3-hectare harbour-jutting section valued at $23.5 million. The three sellers were all New Zealand-owned entities, though the actual purchase price has been kept confidential. The airport itself is internationally held, with New Zealand investors owning just over a quarter of the company.

The airport's intentions are measured but far-reaching. It plans an industrial business park oriented around air cargo and logistics, though resource consents and iwi consultation will be required before anything proceeds. In the meantime, the quarry keeps running, and the airport sees the land as a useful source of fill material for its own construction projects. A public coastal path is also planned — opening access to an area that has long been private.

The strategic logic behind the purchase is straightforward: when the land came to market, it was zoned for potential residential use. The airport judged that housing near its operations would be incompatible with long-term growth, and bought the land to prevent that outcome. The decision also removes the need to negotiate with multiple private owners when infrastructure work eventually begins.

Cultural weight hangs over the entire transaction. Ihumātao holds deep significance for mana whenua, and the airport has pledged to work closely with local iwi, with their perspectives guiding planning decisions. A portion of the land is expected to be set aside for protection, though the specifics remain undefined.

The second runway this purchase helps enable has already slipped a decade — from 2028 to 2038. When built, it will run parallel to the existing runway at 2,983 metres, sufficient for most passenger aircraft but not for a fully laden A380. The airport has confirmed it will be constructed entirely on owned land, with no reclamation from the harbour required.

Auckland Airport has quietly secured a significant parcel of land near Ihumātao, buying up multiple properties that together carry a council valuation of $79.4 million. The purchase includes an operating quarry—a basalt and scoria operation that the airport has now inherited and will continue to run—along with coastal land and several surrounding parcels. The deal effectively locks down the area around where a second runway might eventually be built, and in doing so, prevents the land from being developed into housing.

The airport's ownership structure reflects its international character. New Zealand investors hold 26 percent of the company, while Australians own 29 percent, American interests control 23 percent, and other nationalities account for the remaining 22 percent. The three sellers were all New Zealand-owned: Scoria Sales; Karl Richard Moreton and Penny Louise Hughes Jones, acting as executors of Trevor Robert Ellett's estate; and the E Ellett Rye Grass Trust. The actual purchase price remains confidential.

The land itself is a patchwork of parcels. The property at 290 Ihumātao Road, valued at $17.75 million, stretches from the road toward the quarry. Next door at 292, worth $14.75 million, contains most of the quarry operation and some coastal frontage. Number 296, valued at $17.25 million, runs from the road to the quarry edge without reaching the coast. A small parcel at 298, valued at just $1.5 million, sits surrounded by 296. The largest single piece is at 328—a 30.3-hectare section jutting into the Manukau Harbour, valued at $23.5 million. Finally, 367 is a 5.6-hectare coastal section at Elletts Beach, north of Ihumātao Road, valued at $4.675 million.

The airport's stated intentions for the land are measured but ambitious. It plans to develop part of the property into an industrial business park focused on air cargo and logistics operations. Those plans will require resource consents and plan changes, which means consultation with iwi and other stakeholders lies ahead. For now, the quarry will keep operating. The airport sees the land as potentially useful for managing surplus fill from airport projects and for restoration work once quarrying eventually stops.

The decision to acquire this land reflects a broader strategic calculation. When the property was on the market, it was zoned for urban use, including potential residential housing. The airport argues that residential development near an airport is generally incompatible with long-term airport operations. By buying the land itself, the airport has removed that possibility and ensured that whatever happens on the site will align with its future needs. The airport also committed to developing a coastal path on the property, providing public access to an area that has been largely private.

Cultural and environmental sensitivity hangs over the entire project. Ihumātao carries deep significance for mana whenua, and the airport has acknowledged this explicitly. The company pledged to work closely with local iwi and said their perspectives will guide planning decisions. A significant portion of the land is expected to be set aside and protected, though the airport has not yet specified how much or in what form. The airport framed its commitment in terms of honouring cultural significance and supporting long-term environmental and cultural outcomes.

The second runway that this land purchase helps secure has had a complicated timeline. Originally planned to begin operating in 2028, the opening has been pushed back a full decade to 2038. When it does open, the new runway will run parallel to the existing one and measure 2,983 metres long—652 metres shorter than the current runway. That length is sufficient for most passenger aircraft but not long enough for a fully-laden Airbus A380 to take off. The airport has emphasized that the runway will be built on airport-owned land without requiring any reclamation from the Manukau Harbour.

For the airport, the land purchase serves multiple purposes at once. It strengthens the company's resilience by securing land needed for future growth as travel demand increases. It prevents incompatible development in the area surrounding the airport. It provides a source of fill material for airport projects. And it positions the airport to move forward with infrastructure investment on its own terms, without having to negotiate with multiple private landowners down the line. The purchase was approved because the airport met investor test criteria and the investment was judged likely to benefit New Zealand through capital expenditure, job creation, and increased operational efficiencies.

Residential development near an airport is generally not considered well-suited to a location near an airport
— Auckland Airport statement
Auckland Airport acknowledges the deep and enduring connection that mana whenua have with this area
— Auckland Airport statement
The Hearth Conversation Another angle on the story
Inventor

Why did the airport need to buy this land now if the second runway isn't opening until 2038?

Model

Because land use decisions made today shape what's possible tomorrow. If this property had been sold for housing, the airport would have had a neighbour problem for decades. By owning it, the airport controls what happens there.

Inventor

So this is really about preventing housing development more than it is about the runway itself?

Model

It's both. The runway is real and it's coming, but the immediate practical benefit is keeping incompatible uses away from the airport. The quarry keeps operating, the airport gets fill material for its own projects, and the land stays under its control.

Inventor

What about the iwi concerns? That's mentioned but not really explored.

Model

That's the tension the story doesn't fully resolve. Ihumātao is culturally significant to mana whenua. The airport says it will consult and protect significant portions of the land, but those details haven't been worked out yet. That conversation is still ahead.

Inventor

The ownership structure is interesting—only 26 percent New Zealand-owned. Does that matter?

Model

It matters for who benefits from the investment and who makes decisions. But in this case, the airport is regulated locally and the land is in New Zealand, so the local planning process still applies. The foreign ownership is noted but doesn't change the fundamental dynamics.

Inventor

Why keep running the quarry if the land is supposed to be protected and culturally significant?

Model

Because it's operating now and generates revenue. The airport says it will eventually restore the land when quarrying stops, but that's years away. For now, the quarry is a practical asset.

Contact Us FAQ