connectCost guide

What does drainlaying cost?

NZ, incl. GST · updated 2 November 2026

Typical a run of drain

$3,800

Most jobs land between $900 and $20,000.

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

An estimate for planning, not a quote.

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

Drainlaying

Drainage and drainlaying

Estimated installed price

$3,800

Most jobs like this land between $2,600 and $5,600, incl. GST, supply and labour.

$130–$280 per lineal metre

Stormwater, 20 m$130–$280 per lineal metre$2,600–$5,600
NZ 2026 ballparkAn estimate for planning, not a quote.

Includes: Excavation, pipe and fittings, bedding metal, backfill and connection.

Not included: Council connection and inspection fees, pumping stations, and work inside the house.

People use Connect for drainlaying jobs big and small.

What drives the price

Length and depth, stormwater versus sewer, what you are digging through, how many junctions and soakholes, and reinstating lawn or concrete over the trench. Rock changes everything.

Example jobs

20 m of stormwater in normal ground$2,600–$5,600
Soakhole$1,500–$4,500
New sewer line and connection, 30 m$5,000–$12,000

Example totals are typical NZ ranges incl. GST.

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

Questions

How much does drainlaying cost in NZ?

A typical a run of drain is around $3,800 incl. GST, with most jobs between $900 and $20,000. Length and depth, stormwater versus sewer, what you are digging through, how many junctions and soakholes, and reinstating lawn or concrete over the trench. Rock changes everything.

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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