Taupō's mix of exposed lakefront sections, older single-glazed baches and newer permanent homes means double glazing is one of the highest-impact upgrades a local homeowner can make. Whether it's a holiday home that needs to hold heat over a winter weekend or a full-time residence chasing a warmer, quieter build, the right installer - and the right glazing method - makes the difference. This page ranks the double glazing businesses genuinely operating in Taupō, verified against independent reviews, industry membership and real installation evidence.
This page highlights the Top 5 double glazing installers in Taupō, based on independent research into reputation, accreditation, service quality and overall reliability.

The top 5 double glazing installers in Taupō are 1. GB Glass & Aluminium Ltd, 2. A & T Glass Group Ltd, 3. The Double Glazing Company - Central Plateau Ltd, 4. Alum N Glass Ltd, 5. First Windows Taupo. Below we explain why each made the list, compare them at a glance, and share how to choose.
This paid placement sits above the editorial Top 5 and is clearly labelled. It does not influence the rankings below.
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GB Glass is a WGANZ-verified member (confirmed on wganz.org.nz) with a registered NZBN (9429034819531) at 14 Miro Street, Taupō, and over 30 years' trading history. Independent review aggregators (Birdeye, Google) put them at roughly 87-117 reviews with a 4.9-5 star average - the largest verified review base of any Taupō glazier researched.
A registered WGANZ member (A & T Glass Group Ltd, wganz.org.nz) with NZBN 9429052052293 at 26 Oruanui Street, Taupō, and a trading history of over 50 years locally. Independently shows around 74 Google reviews at a 5-star average, alongside Site Safe membership.
Registered company (NZBN 9429030079311, incorporated 2013) at 13 Keehan Drive, Taupō, confirmed as a WGANZ member on wganz.org.nz, and locally owned/operated by Barry and Colleen Pritchard, trading as the RetroGlaze Network partner for Taupō and Rotorua for close to 20 years. Independently shows a 5-star rating from 13 Google reviews.
A registered company (NZBN 9429033506678) with a dedicated glazing workshop in Taupō, trading since 2007. Current operator Willie Inwood holds a trade-certified glazier qualification, and the business is a specialist retrofit double glazing installer. Independent Google/GBP review figures could not be confirmed in this research, so this is scored lower than the WGANZ-verified operators above.
A long-established manufacturer/supplier at 43 Miro Street, Taupō, owned and operated by Richard and Louise Russell for over 30 years, and a supplier to major local builders (GJ Gardner Homes Taupō, David Reid Homes Taupō) via APL Window Solutions' ThermalHeart+® thermally broken system. Independent review figures and formal NZBN registration could not be confirmed in this research, so it is ranked lower than the fully WGANZ-verified operators.
A quick comparison of our Top 5 picks. Select up to 3 businesses above to compare their strengths side by side.
| Double Glazing Installer | Best for |
|---|---|
| GB Glass & Aluminium Ltd | Full-service jobs combining retrofit, full-frame replacement and general glazing/repairs |
| A & T Glass Group Ltd | Long-established local reputation and broader glass/glazing work alongside double glazing |
| The Double Glazing Company - Central Plateau Ltd | Specialist timber-frame retrofit double glazing, including heritage and bach-style joinery |
| Alum N Glass Ltd | Small-job and single-property retrofit double glazing with a hands-on trade glazier |
| First Windows Taupo | New-build or full-frame replacement double glazing using thermally broken aluminium systems |
Independent, editorial, and reviewed regularly.
TopChoice rankings are editorially curated by our New Zealand team and reviewed periodically. We don't host our own reviews. Our shortlists draw on public reputation signals from Google and other platforms, alongside our own research into each double glazing installer. We weigh up a combination of:
We don't accept payment in exchange for a place in the Top 5. Featured placements are separate and always clearly labelled. Rankings may change over time as businesses evolve.
Windows remain the weakest thermal element in most New Zealand homes, and it matters more in Taupō than most places given the region's cold winters and exposed lake-edge sites. Since May 2023, the Building Code's Clause H1 has required a minimum window and door R-value of R0.46 in Taupō's climate zone, up from R0.37 pre-2023 - a meaningful jump in the level of performance a genuinely competent installer should be designing to. All glazing work also needs to meet NZS 4223, the New Zealand standard covering glass selection and design (Part 1) and human-impact safety for glazing near floor level (Part 3), so ask any installer how they're specifying to these standards, not just quoting a price.
It's worth being clear-eyed on cost support too: unlike insulation and heat pumps, which can be funded through EECA's Warmer Kiwi Homes scheme, there is no government grant for double glazing in New Zealand - budget for it as a self-funded upgrade. You'll also need to decide between two genuinely different approaches: full frame replacement, where the entire window and frame is replaced with new double-glazed aluminium or timber joinery, versus retrofit or secondary glazing, where a double-glazed unit (or a magnetic secondary panel, as used by systems like Magnetite) is fitted into your existing frame. Retrofit is typically cheaper and less disruptive, particularly for older timber joinery worth preserving, while full replacement suits homes needing new joinery anyway. WGANZ (Window & Glass Association New Zealand) membership is a genuine industry credential worth checking for either approach - it signals the installer is held to an industry code of practice, not just a local reputation.
Cost depends heavily on approach and scope. Retrofit double glazing into existing frames is generally the more affordable option since it avoids replacing the joinery itself, while full frame replacement costs more but delivers new, code-compliant joinery throughout. Get quotes from at least two or three local installers, as pricing varies with window size, glass specification and site access.
No. Unlike ceiling and underfloor insulation or heat pumps, which can be funded through EECA's Warmer Kiwi Homes scheme, double glazing and window/glazing upgrades are explicitly excluded from that programme. Double glazing in New Zealand is a self-funded home improvement, not a government-subsidised one.
Full frame replacement removes the entire window and frame and installs new double-glazed aluminium or timber joinery - it suits homes that need new frames anyway or want a complete upgrade. Retrofit (or secondary) glazing instead fits a double-glazed unit, or a secondary magnetic panel such as Magnetite, into or alongside your existing frame, keeping the original joinery. Retrofit is usually quicker, less disruptive and cheaper, and is a good option for preserving older timber window profiles.
A straightforward retrofit on a handful of windows can often be completed within a day or two, while a full-house frame replacement typically takes longer, from several days to a couple of weeks depending on the number of windows, custom joinery requirements and weather. Your installer should give you a specific timeframe once they've scoped the job.
Generally yes. Older Taupō homes, especially timber-framed baches and villas, often have single glazing that performs well below the current H1 Building Code minimum of R0.46 for the region's climate zone. Retrofit double glazing in particular lets you significantly improve warmth, reduce condensation and cut noise without disturbing original frames or architraves, making it a strong upgrade even where a full renovation isn't planned.
Editorial disclosure: TopChoice is an independent editorial platform. Some pages may include clearly labelled featured placements for additional visibility. Featured placements do not influence rankings within our Top 5 lists.
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