Napier's warm Hawke's Bay climate means ceiling insulation is important for summer coolness as much as winter warmth. The 1931 earthquake means many rebuilt homes have older insulation that needs replacement. Here's what insulation installers charge in Napier in 2026.
Napier Insulation Costs 2026
| Service | Napier typical cost |
|---|---|
| Ceiling insulation (full house, 3-bed) | $2,200–$5,500 |
| Underfloor insulation (full house, 3-bed) | $1,500–$3,800 |
| Ceiling insulation (per m²) | $18–$48/m² |
| Underfloor insulation (per m², batts) | $12–$32/m² |
| Underfloor insulation (per m², foil) | $8–$22/m² |
| Wall insulation (retrofit, per m²) | $45–$110/m² |
| Insulation removal + replacement (per m²) | $28–$65/m² |
All prices GST inclusive. Broadly regional.
Warmer Kiwi Homes Grants — Napier
You may qualify for a government subsidy on ceiling and underfloor insulation if: - You own and live in your home (not a rental) - Your home was built before 2008 - You receive an eligible benefit OR your home is in a lower-income area
Grant covers: Up to 80% of ceiling and underfloor insulation costs (or 90% for Community Services Card holders).
Apply via: EECA (Energy Efficiency and Conservation Authority) at energywise.govt.nz
Approved installers in Napier can check your eligibility and manage the grant application for you.
Insulation Types
Glass wool batts (ceiling): Most common, cost-effective. R-value R3.2–R6.0. Polyester batts: Good allergen option. Similar cost to glass wool. Blown-in loose fill (ceiling): Good for hard-to-reach areas, fills gaps well. Foil (underfloor): Reflects radiant heat, moisture-resistant. NZ Building Code no longer accepts foil for new builds but it performs well for retrofits. Polyester batts (underfloor): Better cold performance than foil. More expensive.
Find Napier insulation installers: Insulation Installers Napier | Post a Job Free
How much does ceiling insulation cost in Napier? Full 3-bed house: $2,200–$5,500. May be heavily subsidised through Warmer Kiwi Homes grants.
Related: Insulation Cost NZ | Heat Pump Installers Napier | Double Glazing Cost NZ