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Granny Flat Prices New Zealand
Prices include GST. Minor dwellings require building consent. Some councils allow minor dwellings up to 65m² without resource consent under the Medium Density Residential Standards. Allow 4–8 months from consent to completion.
Granny Flat Prices by Type — New Zealand
Prices include GST. Minor dwellings require building consent. Some councils allow minor dwellings up to 65m² without resource consent under the Medium Density Residential Standards. Allow 4–8 months from consent to completion.
| Service | Unit | From | Average | Up to |
|---|---|---|---|---|
| 🏠1-Bedroom Minor Dwelling (40m²) Complete 1-bedroom minor dwelling with kitchen, bathroom, and living area | /job | NZ$84,000 | NZ$115,000 | NZ$147,000 |
| 🏡2-Bedroom Minor Dwelling (60m²) Full 2-bedroom minor dwelling with kitchen, bathroom, laundry, and living area | /job | NZ$126,000 | NZ$168,000 | NZ$210,000 |
| 🛖Studio Sleepout (25m²) Compact open-plan sleepout or studio with kitchenette and ensuite | /job | NZ$57,750 | NZ$76,000 | NZ$94,500 |
| 📦Kit/Prefab Minor Dwelling (1-bed) Factory-built kit or prefab 1-bedroom minor dwelling delivered and assembled | /job | NZ$52,500 | NZ$76,000 | NZ$99,750 |
| ✏️Custom-Designed Minor Dwelling Architect-designed custom minor dwelling with premium finishes | /job | NZ$157,500 | NZ$226,000 | NZ$294,000 |
| 🚗Minor Dwelling with Garage Minor dwelling with integrated or attached single garage | /job | NZ$147,000 | NZ$205,000 | NZ$262,500 |
| ♿Accessible Minor Dwelling Fully accessible minor dwelling with wet-area bathroom and wider doorways | /job | NZ$105,000 | NZ$147,000 | NZ$189,000 |
| 📋Building Consent & Resource Consent Building consent, resource consent, and planning review fees | /job | NZ$5,250 | NZ$10,500 | NZ$15,750 |
| 🏗️Site Preparation & Foundation Site clearing, levelling, services, and foundation construction | /job | NZ$15,750 | NZ$26,250 | NZ$36,750 |
| 🔨Dwelling Renovation/Extension Renovate or extend an existing minor dwelling or sleepout | /job | NZ$42,000 | NZ$73,500 | NZ$105,000 |
| 🚚Transportable Minor Dwelling Pre-built transportable dwelling delivered and craned into position | /job | NZ$63,000 | NZ$94,500 | NZ$126,000 |
| 🔌Dwelling with Separate Services Minor dwelling with independent water, electricity, and wastewater connections | /job | NZ$136,500 | NZ$184,000 | NZ$231,000 |
Granny Flat Prices by City
Click a city for detailed local pricing and tips
Auckland
Auckland Region · 1.7M
From NZ$6,000
Wellington
Wellington Region · 215K
From NZ$5,500
Lower Hutt
Wellington Region · 110K
Pricing available
Christchurch
Canterbury · 390K
From NZ$5,000
Hamilton
Waikato · 180K
From NZ$5,000
Tauranga
Waikato · 155K
From NZ$5,200
Dunedin
Otago · 135K
Pricing available
Queenstown
Otago · 50K
Pricing available
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Granny flat costs in New Zealand range from NZ$5,250 for council approval and planning to NZ$294,000 for a custom-designed build. Prices include GST. Minor dwellings require building consent. Some councils allow minor dwellings up to 65m² without resource consent under the Medium Density Residential Standards. Allow 4–8 months from consent to completion.
The most common options in New Zealand are minor dwelling / sleepout. Services include 1-bedroom and 2-bedroom builds, studios, kit/prefab options, custom designs, accessible builds, council approval, site preparation, renovations, transportable units, and builds with separate services.
A standard granny flat in New Zealand takes 12–20 weeks from slab to handover. Kit/prefab builds can be completed in 8–12 weeks. Custom designs may take 20–30 weeks. Council approval adds 2–24 weeks depending on the pathway.
Yes — all granny flats and secondary dwellings in New Zealand require some form of building or planning approval. The specific requirements vary by state, territory, or local council. Your builder or certifier will advise on the correct approval pathway for your property.
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