On 18 August 2025, Minister Chris Penk set out sweeping changes to New Zealand’s building consent system. The Government plans the shift to proportionate liability, replacing joint and several liability rules. Each party will pay only for their own share of defect risk instead of leaving councils to cover the full cost when others collapse. In the same announcement, Penk said the Government is exploring homeowner protections such as professional indemnity insurance and home warranties. These would mirror schemes already common in Australia and available here through voluntary providers like Halo and Master Build.
“When government says it is exploring insurance solutions, expect relevant vendors to move now,” says APIA GM Sarina Gibbon, “Builders, lenders and buyers will start pricing in these protections well before Parliament passes anything.”
The practical effect is that councils will no longer act as insurers of last resort. Responsibility will shift into the private market, with insurers and warranty providers deciding who can build and under what terms. Buyers and banks will also begin demanding proof of protection as part of their standard checks.
For investors, the ripple effects will appear quickly. Build costs will rise as premiums and warranty fees are factored into budgets. Insurers will screen contractors and systems with a sharp eye, shutting out those with weak balance sheets or risky methods. Properties or projects without warranty cover will be harder to finance and less attractive at resale.
Different types of investors...
