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Do I Need Resource Consent for Earthworks in Auckland?

  • Writer: Rose Taylor
    Rose Taylor
  • Jan 8
  • 3 min read

Introduction

If you are planning earthworks in Auckland, whether for a new build, subdivision, retaining wall, driveway, or site preparation, one of the first questions you should ask is:


“Do I need resource consent for this?”


This is one of the most common areas where property owners, builders, and developers get caught out. In many cases, earthworks start with good intentions but quickly escalate into compliance issues, stop-work notices, or abatement notices from Auckland Council.

Residential earthworks and site preparation in Auckland requiring compliance with resource consent and erosion control rules
Fig 1 - Image shows silt control installed on a TCC construction site that is compliant with GD-05

At The Civil Company, we regularly assist clients who are unsure of the rules, and unfortunately, we also get called in after work has already gone wrong. This blog explains when consent is required, when it may not be, and how to avoid costly mistakes.


Why Earthworks Are Closely Regulated in Auckland

Auckland has complex geology, varied terrain, and sensitive receiving environments. Poorly managed earthworks can lead to:


  • Sediment entering stormwater and waterways

  • Slope instability and slips

  • Damage to neighbouring properties

  • Flooding and overland flow path issues


Because of this, Auckland Council tightly controls earthworks through the Auckland Unitary Plan and associated erosion and sediment control requirements.


When Resource Consent Is Commonly Required

In general, resource consent is required for earthworks when certain thresholds or site constraints are exceeded.


You are more likely to need consent if your project involves:


  • Large volumes of soil movement

  • Steep sites or unstable ground

  • Earthworks near boundaries or neighbouring properties

  • Work within flood plains or overland flow paths

  • Sites with environmental or planning overlays

  • Subdivisions or multi-unit developments

  • Retaining walls exceeding permitted heights

  • Earthworks undertaken during winter months


Even relatively small residential projects can trigger consent requirements depending on site conditions.


Earthworks That May Be Permitted (But Still Require Care)

Some earthworks may be permitted activities under the Unitary Plan, meaning resource consent is not required provided all standards are met.


However, this does not mean:


  • You can ignore erosion and sediment control

  • You can discharge sediment to stormwater

  • You can work without environmental controls

  • Council will not inspect your site


Even permitted earthworks can result in abatement notices if controls are inadequate or if works exceed thresholds.


Erosion and Sediment Control Still Applies - With or Without Consent

One of the biggest misconceptions is that erosion and sediment control only applies when a resource consent is required.


In reality:


  • All earthworks must comply with erosion and sediment control standards

  • Council can enforce compliance regardless of consent status

  • Poor controls are one of the most common triggers for enforcement action


At The Civil Company, we design and install GD05-compliant erosion and sediment control systems, including:


  • Silt fencing and super silt fencing

  • Water diversion and cut-off drains

  • Decanting earth bunds

  • Geotextile protection

  • Stabilised accessways

  • Surface water management


These controls protect both the environment and the project programme.


Common Mistakes That Lead to Council Enforcement

From our experience, enforcement action often occurs because:


  • Earthworks start before compliance is confirmed

  • Erosion controls are installed incorrectly or too late

  • Site runoff enters the road or stormwater system

  • Works exceed permitted volumes or areas

  • Winter works are undertaken without proper mitigation

  • Responsibility is assumed to sit with “someone else”


These situations are entirely avoidable with early planning and the right contractor involvement.


How The Civil Company Helps Clients Stay Compliant

We take a proactive, transparent approach to compliance and constructability.


Our services include:



Our goal is to help clients avoid enforcement action, delays, and unnecessary cost.


Why Early Advice Matters

Many compliance issues arise not because clients intend to do the wrong thing, but because they simply weren’t aware of the rules.


Engaging an experienced civil contractor early can:


  • Identify risks before works start

  • Reduce redesign and rework

  • Prevent council intervention

  • Improve programme certainty

  • Protect neighbouring properties


This is particularly important as Auckland moves toward greater intensification and more complex sites.


Conclusion

If you are planning earthworks in Auckland, understanding whether resource consent is required is critical, but it is only part of the picture. Proper erosion and sediment control, construction methodology, and early planning are just as important.


At The Civil Company, we work closely with property owners, developers, and consultants to deliver compliant, cost-effective earthworks solutions from day one.


If you are unsure whether your project requires consent, we are happy to discuss your site and provide early advice before works begin. Contact our team to see how we can help.

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