Why the 'Property Ponzi' Narrative Is Dead (And What Replaced It)
- Joshua Flack
- Jul 8
- 3 min read
Updated: 6 days ago
TL;DR
For years, New Zealand property investing was driven by capital growth, buy, wait, refinance against the gain, repeat. Critics called it a Ponzi dynamic dependent on ever-rising prices. That model has stalled in a high-rate, modest-growth market. What's replaced it is a return to fundamentals: yield, income resilience, and properties that pay their way. This post explains the shift and why it's healthier.
The old game was simple. Buy property, wait for it to go up, borrow against the gain, buy more. Prices always rose, so it always worked.
Critics called it a Ponzi: a model that only works while prices keep climbing and new money keeps coming in. That's overstating it, property is a real asset producing real rent, but they had a point about the dependence on perpetual capital growth.
That model has run out of road. And what's replacing it is better.
The Old Model
For a long stretch, the strategy that worked was leverage plus appreciation:
Buy with as much leverage as possible
Wait for capital growth
Refinance against the increased value to fund the next purchase
Repeat
Cash flow barely mattered. Properties could run at a loss because the capital gains dwarfed the holding costs, and the losses were subsidised by tax (before ring-fencing) and by the next refinance.
It worked because prices kept rising fast enough to cover everything.
Why It Stalled
Several things broke the model at once:
High interest rates made negative gearing genuinely painful, not a minor cost
Modest capital growth removed the appreciation that justified the losses
DTI restrictions capped the leverage the model depended on
Ring-fencing removed the tax subsidy on losses
When prices stop rising fast and borrowing is capped and losses aren't subsidised, the buy-and-wait-for-growth model stops working. The properties have to actually pay their way, and a lot of growth-era purchases don't.
What Replaced It
The new model is older than the one it replaced. It's fundamentals:
Yield matters again. A property has to generate income that covers, or comes close to covering, its costs. Cash flow is back at the centre of the decision.
Income resilience. Can the property hold its income through vacancy, rate rises, and softer conditions? Resilience beats optimism.
Sustainable leverage. Borrowing within your serviceability and DTI limits, with buffer, rather than maxing out on the assumption that growth bails you out.
Real returns, not paper gains. Judging a property on what it actually produces, not on a hoped-for valuation increase.
Why This Is Healthier
The growth-dependent model was fragile. It worked brilliantly until it didn't, and when it stopped, the over-leveraged got hurt.
The fundamentals model is more durable. A portfolio of properties that pay their way, held within sensible leverage, survives rate cycles and soft markets. It grows more slowly in the good times but it doesn't blow up in the bad ones.
Boring and durable beats exciting and fragile. The market just relearned that lesson the hard way.
Where This Leaves You
The capital-growth-at-all-costs model is done for now. If your strategy still depends on rapid appreciation and ever-increasing leverage, it's built for a market that no longer exists (for now at least).
The replacement is a return to fundamentals: yield, resilience, and properties that stand on their own. It's less glamorous and far more robust. Build for that.
A fundamentals-based strategy needs lending structured for resilience, not maximum leverage. The two approaches lead to very different portfolios.
At CRISP, we structure lending around durability, yield, serviceability buffer, sustainable leverage. The kind of portfolio that survives whatever the cycle does next.
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About the Author:
Joshua Flack is a mortgage and lending adviser and the founder of Crisp Financial. Before finance, he spent two decades running businesses across construction, facilities services, and franchising, which is why his advice starts with how the numbers actually work rather than how the brochure says they should. He works with home buyers, investors, and self-employed borrowers across New Zealand, with particular depth in complex and non-standard lending. Crisp Financial Limited (FSP1012114) operates under the Link Financial Group FAP licence. The information in this article is general in nature and is not regulated financial advice.
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