Building & Carpentry
How much does it cost to build a deck?
Design and build a timber or composite outdoor deck. In New Zealand this typically runs $350–$900 per m². Get a free estimate for your exact job in seconds.
What moves the price
- Deck size (m²)
- Timber vs composite
- Height off ground
- Balustrade & steps
Estimates are indicative, not quotes. When you post the job, your payment is held safely in escrow and only released once you approve the work.
AI cost estimateIndicative · not a quote
Build a deck — frequently asked
- How much does it cost to build a deck in New Zealand?
- A typical build a deck job in New Zealand costs around $350–$900 per m² (GST-inclusive). Your exact price depends on deck size (m²), timber vs composite, height off ground. Use the estimator above for a range tailored to your job.
- What changes the price?
- The biggest factors are deck size (m²), timber vs composite, height off ground, balustrade & steps. Being specific about these when you post the job helps operators quote accurately.
- Is the CASHBOX estimate a quote?
- No. It's an indicative range to help you budget, generated from typical New Zealand pricing. The actual price is agreed with the operator you choose, and your payment is held safely in escrow until you approve the work.