How Much Does Double Glazing Cost in NZ? (2025 Guide) 💰
Looking for accurate double glazing costs in New Zealand? Our comprehensive 2025 price guide covers everything from window sizes to installation costs, helping you budget for your home improvement project.
2025 Double Glazing Price Guide
Window Prices by Size
Small Window
$500 - $800 Up to 0.5m²
Medium Window
$800 - $1,200 0.5-1m²
Large Window
$1,200 - $2,000 1-2m²
Sliding Door
$2,500 - $4,000 Standard size
Factors Affecting Cost
Window Specifications
- • Window size and quantity
- • Glass type (standard/low-E/acoustic)
- • Frame material (uPVC/aluminum/timber)
- • Glazing style (double/triple)
Installation Factors
- • Installation type (retrofit/new)
- • Property access
- • Location in NZ
- • Additional requirements
Double Glazing Cost Calculator
Frequently Asked Questions
How much does it cost to double glaze a 3-bedroom house?
For a typical 3-bedroom house with 8-10 windows, expect to pay between $8,000 and $15,000 for full double glazing installation.
Is retrofit double glazing cheaper?
Yes, retrofit double glazing typically costs 40-60% less than full window replacement as it uses existing window frames.
Are there any grants available?
Yes, eligible homeowners can access grants through the Warmer Kiwi Homes program. Learn more about available grants.
Related Resources
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