How much does a home renovation cost in NZ?

Home renovation costs in NZ vary widely by trade and scope. A bathroom refresh costs $8,000–$18,000, a full bathroom renovation $25,000–$60,000+. Kitchen renovations range from $12,000 to $80,000+. Use this calculator to get an estimate based on your specific job.

How much does it cost to repaint a house in NZ?

Interior painting for a 3-bedroom house in NZ typically costs $3,500–$7,000. Exterior painting costs $4,000–$10,000 depending on house size, condition, and paint quality. Prices are higher in Auckland and Queenstown.

How much does decking cost in NZ?

Decking costs in NZ range from $250–$400/m² for treated pine, $400–$650/m² for hardwood, and $500–$900/m² for composite. A 20m² deck in Auckland would typically cost $8,000–$18,000 installed.

Do NZ home renovation costs vary by city?

Yes. Auckland and Queenstown are typically 10–20% more expensive than national averages. Christchurch, Dunedin, and smaller cities are generally 10–15% below Auckland pricing. This calculator adjusts estimates by your selected city.

How accurate are these home renovation estimates?

These estimates reflect typical NZ market rates in 2026 based on industry data and our cost guides. They're useful for budgeting and sanity-checking quotes, but your actual cost will depend on specific site conditions, materials chosen, and the individual tradie. Always get 2–3 quotes before committing.

Home Renovation Cost Calculator NZ 2026

Get an instant cost estimate for your NZ home renovation. Select a job type, enter your scope, and see a low–typical–high price range adjusted for your city.

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How these estimates work

Costs are based on 2026 NZ market rates drawn from our trade pricing guides, cross-referenced with industry data. All figures are GST inclusive and assume a standard residential job with reasonable site access. Prices vary based on:

City: Auckland and Queenstown are 10–20% above national average; smaller centres are 10–20% below.
Scope & complexity: Older homes, restricted access, or unusual specifications add cost.
Materials: Budget and premium options can differ by 2–3× for the same job.
Tradie availability: High-demand periods (summer, post-storm) push prices higher.

Use this calculator to sanity-check quotes and build your renovation budget. Always get 2–3 quotes before committing to a tradie.

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Home Renovation Cost Calculator NZ 2026

How these estimates work

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