connectCost guide

What does decking cost?

NZ, incl. GST · updated 2 November 2026

Typical new 20–40 m² deck

$14,000

Most jobs land between $8,000 and $28,000.

BallparkNZ 2026 ballpark. Real Connect quotes take over once there are enough.

An estimate for planning, not a quote.

Estimate your job

Type the size and see an installed price range for it, incl. GST. More jobs on the estimator.

Decking

New deck

metres of timber balustrade; glass is more

Estimated installed price

$12,000

Most jobs like this land between $9,600 and $14,500, incl. GST, supply and labour.

$400–$600 per m²

Treated pine, 24 m²$400–$600 per m²$9,600–$14,400
NZ 2026 ballparkAn estimate for planning, not a quote.

Includes: Footings, bearers, joists, boards, stainless or galvanised fixings and the labour.

Not included: Oiling or staining, roofing or pergolas, and engineering for steep or soft sites.

People use Connect for new decks, re-decking, replacing rotten boards and joists, stairs and balustrades.

What drives the price

Size, height off the ground, pine versus kwila versus composite, balustrade and stairs, and removing an old deck. Stainless fixings near the coast.

Example jobs

30 m² pine deck, low to the ground$11,000–$16,000
30 m² kwila deck with balustrade$18,000–$26,000
Replace rotten boards on an existing deck$3,000–$7,000

Example totals are typical NZ ranges incl. GST.

Want real numbers for your job?

Post it once, free. Vetted local decking tradies quote it within 72 hours and there is no obligation.

Post a job — free

Working out materials first? Try the decking calculator.

Got quotes already? Read how to compare tradie quotes before you pick one.

Questions

How much does decking cost in NZ?

A typical new 20–40 m² deck is around $14,000 incl. GST, with most jobs between $8,000 and $28,000. Size, height off the ground, pine versus kwila versus composite, balustrade and stairs, and removing an old deck. Stainless fixings near the coast.

Is this a quote?

No. It is an estimate based on NZ ballparks to help you plan. Post the job on Connect and vetted local tradies will quote your actual job, free.

Why do quotes for the same job vary so much?

Because tradies often quote slightly different jobs. Connect writes one scope with you first so every quote is for the same work and you can compare them properly.

Prices on this page are estimates incl. GST for a typical residential job in NZ and will vary by site, access, materials and season. They are not a quote.

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