For most households, New Zealand never had a wealth playbook. It had just one play

This article analyzes how New Zealand households historically relied on property investment as their primary wealth-building strategy. It argues that changing economic conditions, such as interest rate shifts, have rendered this traditional 'playbook' obsolete.
Why it matters
Understanding shifts in housing market dynamics is essential for economic policy and personal financial planning in high-cost-of-living nations.
For most households, New Zealand never really had a wealth-building playbook. It had one play, run on repeat for two generations: borrow the maximum against residential property, service the loan, and wait.
The run succeeded because three conditions held at once. Interest rates collapsed from above 20 percent in the late 1980s to roughly two percent by 2021. Banks aggressively expanded lending multiples, tripling household debt relative to income.
Meanwhile, migration ran ahead of restrictive urban zoning, creating a severe shortage of land people were allowed to build on.
Traditional property mantras, like buying the worst house on the best street or claiming rent is dead money, are not timeless wisdom at all. They merely repackaged this singular macroeconomic wave.
Each condition has since changed measurably. Below is an audit of five outdated assumptions left over from this play, paired with rules which might replace them.
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