Choosing the best window replacement in Invercargill improves comfort and energy efficiency in Southland’s cool, windy climate with durable, thermally efficient windows and doors. Local specialists offer custom aluminium joinery, double glazing retrofits and precise installations suited to residential and commercial properties across the region. Lewis Windows and Edminstin Windows & Doors Ltd stand out for their manufacturing expertise and local service.
1Nevs Glass & Glazing Ltd
Nevs Glass & Glazing Ltd is a Southland-owned glazing company based in Invercargill that provides window repairs, installations and custom glass solutions for homes and businesses. With decades of experience, the team handles residential glazing needs alongside specialised work for marine and machinery applications. They deliver reliable, tailored service throughout the Southland area.
Services
- Window installation and replacement
- Window repairs and reglazing
- Custom glass, mirrors and splashbacks
- Marine and boat window services
- Machinery and equipment window glazing
Highlights
- Over 30 years of experience since 1992
- Southland-owned and operated
- Comprehensive services for residential, commercial and specialised equipment
- Professional team serving Invercargill and surrounding areas
Location & Contact
Name: Nevs Glass & Glazing Ltd
Address: 21 Earn Street, Invercargill 9810
Phone: 027 433 5808
Website: nevsglassglazingltd.nz
2Lewis Windows
Lewis Windows is a local manufacturer in Invercargill producing high-quality aluminium windows and doors using Vistalite systems for residential, commercial and renovation projects. Operating since 1978, they provide custom designs and high-performance joinery tested to New Zealand standards. Clients can visit their showroom to explore options with expert guidance.
Services
- Custom aluminium windows and doors
- High-performance joinery for new builds and renovations
- Commercial architecture projects
- Vistalite window and door systems
- Design consultation and installation support
Highlights
- Locally manufactured in Invercargill since 1978
- Fletcher Aluminium Vistalite Gold Award recipient for 6 years
- Showroom and Ideas Centre at 195 Bond Street
- Expertise across residential and commercial projects in Southland and Central Otago
Location & Contact
Name: Lewis Windows
Address: 195 Bond Street, Invercargill
Phone: 03 214 4505
Website: lewiswindows.co.nz
3Deep South Glass
Deep South Glass is a locally owned glazing business in Invercargill offering glass repair, window replacement and custom solutions for homes and businesses across Southland. Their team focuses on precision work including retrofit double glazing and specialised installations suited to the region’s conditions. The company has grown from a family operation to a larger workshop while maintaining reliable local service.
Services
- Glass repairs and installation
- Window replacement and retrofit double glazing
- Mirrors, splashbacks and balustrades
- Reglazing and custom glass features
- Residential and commercial glazing projects
Highlights
- Southland-owned and operated
- Skilled craftsmanship and precision workmanship
- Fast, reliable service with tailored solutions
- Expanded workshop at 24 Bond Street serving the community
Location & Contact
Name: Deep South Glass
Address: 24 Bond Street, Invercargill 9810
Phone: 027 221 7106
Website: deepsouthglass.co.nz
4Edminstin Windows & Doors Ltd
Edminstin Windows & Doors Ltd is a family-owned aluminium joinery specialist in Invercargill and a fabricator of Omega Windows & Doors systems. Serving Southland since 1991, the team delivers energy-efficient windows and doors for new builds, renovations and retrofits. Their qualified staff focus on thermal performance and durable solutions designed for New Zealand conditions.
Services
- Manufacture and installation of aluminium windows and doors
- Retrofits and window replacements
- New build and renovation projects
- Thermal break and energy-efficient systems
- Residential, commercial and industrial aluminium joinery
Highlights
- Over 35 years serving Southland since 1991
- NZQA qualified glaziers and fabricators
- Members of Window and Glass Association and Site Safe New Zealand
- Omega Windows & Doors approved fabricator
Location & Contact
Name: Edminstin Windows & Doors Ltd
Address: 94 Bill Richardson Drive, Avenal, Invercargill 9810
Phone: 03 214 0918
Website: invercargillglass.co.nz
5Fairview Invercargill
Fairview Invercargill supplies high-performance aluminium windows and doors with advanced engineering features for residential and commercial projects in Southland. The local team, with an on-site workshop, offers custom solutions including high R-value double glazing and speciality products for retrofits. Owners bring extensive industry experience to deliver reliable, detail-focused service.
Services
- Aluminium windows and doors
- High-performance double glazing and thermal solutions
- Entrance doors and security options
- Vacuum insulated glass for retrofits
- Custom shapes and finishes
Highlights
- Backed by FMI with advanced TouxLock technology
- High R values for thermal and acoustic performance
- Local workshop and growing team in Appleby
- 18 years aluminium industry experience by local owners
Location & Contact
Name: Fairview Invercargill
Address: 34 Bowmont Street, Appleby, Invercargill 9812
Phone: 03 214 0080
Website: fairviewinvercargill.co.nz
Window Replacement in Invercargill at a Glance
| Business | Based in | Highlight |
|---|---|---|
| Nevs Glass & Glazing Ltd | Invercargill | Over 30 years of experience since 1992 |
| Lewis Windows | Invercargill | Locally manufactured in Invercargill since 1978 |
| Deep South Glass | Invercargill | Southland-owned and operated |
| Edminstin Windows & Doors Ltd | Avenal | Over 35 years serving Southland since 1991 |
| Fairview Invercargill | Appleby | Backed by FMI with advanced TouxLock technology |
How to Choose the Right Window Replacement in Invercargill
- Check for local experience with Southland’s weather patterns and building styles to ensure durable, weathertight installations.
- Prioritise thermal performance and double glazing options that improve energy efficiency and reduce heating costs in cooler climates.
- Look for providers offering aluminium joinery with thermal breaks or uPVC systems suited to your property type and style preferences.
- Confirm certifications such as NZQA qualifications, WANZ membership or approved fabricator status for quality assurance.
- Ask about warranties, project timelines and whether the company handles retrofits, new builds or both for your specific needs.
Frequently Asked Questions About Invercargill Window Replacement
How do I know if my Invercargill home needs window replacement?
Signs include drafts, condensation between panes, difficulty operating windows, or rising energy bills. In Southland’s climate, upgrading single-glazed or older windows to double-glazed or thermally efficient options can improve comfort and reduce heating costs significantly.
What is the best type of window for energy efficiency in Southland?
Thermally broken aluminium windows with high-performance double glazing or uPVC systems provide excellent insulation. These options help manage heat loss in cold, windy conditions while meeting New Zealand building standards for thermal performance.
Can older timber frames be retrofitted with double glazing in Invercargill?
Yes, several local specialists offer retrofit double glazing services that insert new energy-efficient units into existing timber or aluminium frames without full replacement. This preserves original character while improving insulation and is a popular option for older homes.
How long does a standard window replacement take in Invercargill?
Most residential projects can be completed in one to three days depending on the number of windows and complexity. Larger or custom commercial jobs may take longer, with installers typically minimising disruption to the property.
Are Invercargill window replacements covered by warranties?
Reputable local providers offer warranties on both materials and installation. Always confirm the terms, including duration and what is covered, before starting a project to ensure long-term peace of mind.
Which suburbs in Invercargill do these window replacement businesses serve?
Local operators based in areas like Avenal, Appleby, Bond Street and Earn Street typically service the wider Invercargill region including Windsor, Glengarry, Waikiwi and surrounding Southland locations. Contact them directly to confirm coverage for your specific suburb.
How can I verify a window installer’s qualifications in New Zealand?
Look for NZQA qualified glaziers and fabricators, membership in the Window and Glass Association of New Zealand, or approved fabricator status with recognised brands. These credentials help ensure compliance with building standards and quality workmanship.
How We Chose the Best Window Replacement in Invercargill
Every business in this guide was found by searching for window replacement in Invercargill, then checked against its own website. Names, addresses and phone numbers are taken from the business’s own site rather than a directory feed, so what you see here is what they publish themselves. We also check that each one is actually based in or genuinely serving Invercargill, rather than a national operator running a local landing page. A business with no website of its own is not listed, because there is no primary source to verify it against.