What's Included in a Typical Insulation Installation Quote?
Usually included: Labour and insulation material. Ceiling, underfloor, or wall options.
Usually extra: Removal of old wet/contaminated insulation (extra cost), very restricted access.
NZ Price Ranges (Baseline β Christchurch)
| Scope | Estimated Cost |
|---|---|
| Ceiling only, small home (β€90mΒ²) | $1,200 β $3,000 |
| Ceiling + underfloor (120β160mΒ² home) | $3,500 β $7,000 |
| Full home ceiling + underfloor + walls | $7,500 β $16,000 |
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
- Ceiling insulation gives the best return on investment
- Check if you qualify for Warmer Kiwi Homes government subsidy
- R3.6 is minimum recommended for NZ ceiling insulation
- Always get at least 3 written quotes before committing.
- Check licence on the relevant NZ register.