NZ Cost Guides · 2026

What does it really cost to build or renovate in NZ?

Honest 2026 price ranges for the most common building and renovation projects in New Zealand — what each level of finish gets you, what drives the cost up, and how it varies by region. And before you hand over a deposit on any of them: check who you're paying.

Renovations

Kitchen Renovation
from $15,000 · typical $35,000
Bathroom Renovation
from $8,000 · typical $22,000
Full House Renovation
from $80,000 · typical $250,000

Extensions & additions

House Extension
from $2,500/m² · typical $3,500/m²
Second-Storey Addition
from $200,000 · typical $300,000

New builds & dwellings

Build a House
from $2,500/m² · typical $3,250/m²
Granny Flat / Minor Dwelling
from $30,000 · typical $220,000

Exterior & structural

Recladding
from $135,000 · typical $300,000

All figures are 2026 estimates for general guidance and vary by project, site and finish. Always get written quotes — and run a background check on any builder before you sign a contract.