Auckland consent guide
Do you need a building consent for a retaining wall in Auckland?
Often, yes. The commonly referenced exemption, at Schedule 1 of the Building Act 2004, covers walls retaining no more than 1.5 metres depth of ground with no surcharge or additional load above them. Height alone does not settle it.
You do not need to work any of this out before getting in touch. SRW prepares and lodges the consent, handles Council correspondence and books the inspections.
Source-led guidance
Published August 2026
Factual statements on this page are drawn from Auckland Council and MBIE published guidance. Neither organisation endorses SRW Auckland.
01 / Building consent
Some work is exempt. The conditions still matter.
A commonly referenced exemption covers retaining walls holding back no more than 1.5 metres depth of ground where there is no surcharge or additional load above the wall.
That is a starting point, not a rule for your property. Load from a driveway, vehicle, building, pool or a steeper slope above the wall can require consent well below 1.5 metres.
Exempt building work must still comply with the Building Code. Exemption from consent is not exemption from doing it properly.
02 / Resource consent
A separate planning question can still apply.
Earthworks volume, land disturbance, location, natural hazard overlays, protected trees and Auckland Unitary Plan controls can create a resource-consent question even where building consent is not required.
Unitary Plan rules are site-specific and proposal-specific, so a property-file review or planning check may be needed.
SRW runs that enquiry as part of the project. Auckland Council makes the regulatory decision.
03 / Engineering input
You do not need to find an engineer.
Structural or geotechnical input is commonly relevant where a wall is consented, carries additional load, sits on difficult ground, interacts with nearby assets or forms part of a stability concern.
If your project needs it, SRW engages and briefs the engineer and works the design through with them.
Engineering services are provided by independent qualified engineers. SRW does not present itself as the engineer.
04 / Boundaries and neighbours
Retention near a boundary brings other people in.
A wall near or on a boundary can involve the neighbouring owner, existing services and the question of which property the retained ground belongs to.
Access for construction may need to be agreed before work can be sequenced.
These conversations are easier to have early than after a design is fixed.
You do not need to resolve the consent pathway first.
Share the address and what is happening. We work out which consents apply, prepare the application and deal with Council.
Tell us about your project05 / COMMON QUESTIONS
Questions we get asked most.
Do I need to find an engineer?
No. If the project needs engineering input, SRW arranges it. Structural or geotechnical input is commonly required where a wall is consented, carries load from a driveway or building above it, or sits on difficult ground. We engage the engineer, brief them on the site, and work the design through with them as your representative, with an eye on what each decision costs to build.
How high can a retaining wall be before it needs consent in Auckland?
A commonly referenced exemption covers walls retaining no more than 1.5 metres depth of ground with no surcharge or additional load above them. That figure is a starting point, not a rule for your property: load from a driveway, vehicle, building or steeper slope above the wall can require consent well below 1.5 metres.
Can you tell me if my wall is safe from a photo?
No. A photograph cannot establish what is happening below ground, what the wall is carrying or how it was built. If there is immediate danger, contact emergency services and seek urgent site-specific advice from an appropriately qualified professional.
Can I enquire about a wall that is already damaged?
Yes. Replacement and remediation work is a common starting point. Tell us the address and what you can safely observe, and we take it from there. Do not enter an unsafe area to take photographs or measurements.
Who deals with Auckland Council?
We do. SRW prepares and lodges the consent application, assembles the supporting documentation, responds to Council's requests for information and books the required inspections. You are not the one chasing Council.
Do you work outside Auckland?
SRW is set up around Auckland projects, Auckland Council processes and Auckland ground conditions.
General guidance only. Requirements change, and none of this replaces project-specific professional advice or an Auckland Council decision on your property.
A clear place to start
Start with the property, not a guess about consent.
Share the address, the situation and a short description. You do not need to know the wall system, consent pathway or engineering requirements.
Two short steps. We reply by email or phone.