What's Included in a Typical Garages & Sleepouts Quote?
Usually included: Foundation/slab, framing, roofing, cladding, windows, and door to lockup stage.
Usually extra: Building consent, internal lining/fitout, electrical, plumbing.
NZ Price Ranges (Baseline β Christchurch)
| Scope | Estimated Cost |
|---|---|
| Single garage or carport (β€25mΒ²) | $15,000 β $30,000 |
| Double garage or sleepout (25β50mΒ²) | $30,000 β $60,000 |
| Large garage-workshop or studio (50mΒ²+) | $60,000 β $110,000 |
Christchurch baseline β apply city multiplier for your region. Auckland is ~15% higher; Queenstown ~20% higher; Invercargill/Whanganui ~10% lower.
Tips for Getting the Best Quote
- Most garages and sleepouts require building consent β allow 4β8 weeks
- Prefab kitset garages are cheaper but require consent if attached to house
- Insulate if used as a sleepout β NZ building code requires it
- Always get at least 3 written quotes before committing.
- Check licence on the relevant NZ register.