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
Paint a House Interior
from $2,000 · typical $9,000
Install a Heat Pump
from $2,000 · typical $4,000
Rewire a House
from $9,000 · typical $22,000
Replumb a House
from $10,000 · typical $18,000
Retrofit Double Glazing
from $4,000 · typical $16,000
Install Insulation
from $2,000 · typical $4,000

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
Build a Deck
from $300/m² · typical $600/m²
Build a Garage
from $22,000 · typical $55,000
Paint a House Exterior
from $7,000 · typical $14,000
Replace a Roof
from $120/m² · typical $200/m²
Lay a Concrete Driveway
from $120/m² · typical $180/m²
Build a Fence
from $4,000 · typical $6,000
Build a Retaining Wall
from $400/m² · typical $900/m²
Landscape a Section
from $6,000 · typical $22,000
Build a Carport
from $5,000 · typical $12,000
Hire Scaffold
from $2,000 · typical $7,000
Install Solar Panels
from $7,000 · typical $13,000
Build a Swimming Pool
from $35,000 · typical $75,000
Asbestos Removal
from $1,000 · typical $7,000
House Demolition
from $15,000 · typical $30,000

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.