How Much Does a Second-Story Extension Cost in NZ? (2026 QS Guide)
Planning to add a second story to your NZ home? Discover the true 2026 costs per m2, hidden structural fees, and expert tips from a local Quantity Surveyor.
house extension
How Much Does a House Extension Cost per m2 in New Zealand? (2026 QS Guide)
Planning a house extension in NZ? Discover the true cost per m2 for 2026. A local Quantity Surveyor breaks down average rates, hidden fees, and budgeting tips.