Get comfortable the easy way with RetroFit® double glazing by Metro Glass

Get comfortable the easy way with RetroFit® double glazing by Metro Glass

Metro Glass has been pioneering the way in glass innovation for over 35 years. Our tailored solutions help reduce your power bills and make your home a healthier, warmer, drier, cooler, more consistent and comfortable temperature year round.

Get my free quote Contact Us
A lady on an orange background pointing upwards

Retrofit double glazing promotion and offers

Making it easier to enjoy comfortable living and experience the benefits of a healthier, warmer, drier and cooler home year-round.

Don't forget to check out our attractive payment terms.

Learn More Get a free quote

How retrofit works?

Retrofit Double glazing van delivering windows

What is retrofit double glazing?

Retrofit double glazing involves replacing the single pane of glass in your windows and doors with new energy efficient double glazed units into your existing window frame.

Learn more Get a free quote
Hand touching double-glazing windows

Retrofit aluminium and timber, reglazing

We can retrofit new energy efficient double glazed units into your existing timber or aluminium window frames

Learn more Get a free quote
Girl playing sitting in front of double glazed windows

The benefits of retrofit double glazing

Retrofit double glazing can enhance your in-home living comforts. You and your family should be comfortable in your home no matter what the season or the weather is doing outside.

Learn more Get a free quote
Retrofit Double glazing van delivering windows

What is retrofit double glazing?

Retrofit double glazing involves replacing the single pane of glass in your windows and doors with new energy efficient double glazed units into your existing window frame.

Learn more Get a free quote
Hand touching double-glazing windows

Retrofit aluminium and timber, reglazing

We can retrofit new energy efficient double glazed units into your existing timber or aluminium window frames

Learn more Get a free quote
Girl playing sitting in front of double glazed windows

The benefits of retrofit double glazing

Retrofit double glazing can enhance your in-home living comforts. You and your family should be comfortable in your home no matter what the season or the weather is doing outside.

Learn more Get a free quote
Scenic hiking tail and view from New Zealand

The biggest and best double glazing range in New Zealand

All our factory sealed double glazed units are processed in New Zealand and made for New Zealand conditions. All our units come with a 10-year manufacturer warranty.

View our range

New product launch

Introducing our Xtreme™ Low E glass with cutting-edge solar technology

Xtreme™ Low E double glazing

New solar control technology - The ideal glass for all seasons.

 🌡️   Up to 79%* better heat retention keeping your home warmer

☀️   Reduce solar heat gain by up to 53%* to help with overheating

🏡  Lets in 75% of natural light to brighten up your home

*compared to single glazing. 

View our range
Low E Xtreme double glazing windows and doors in a modern home.
Low E Xtreme double glazing windows and doors in a modern home.

Xtreme™ Low E double glazing

New solar control technology - The ideal glass for all seasons.

 🌡️   Up to 79%* better heat retention keeping your home warmer

☀️   Reduce solar heat gain by up to 53%* to help with overheating

🏡  Lets in 75% of natural light to brighten up your home

*compared to single glazing. 

View our range

Why RetroFit® is a trusted choice

Man installing double glazed windows

Instead of replacing your whole window which can be expensive. We replace your existing single glazed glass with a new factory sealed energy efficient double glazed unit into your existing window frames, saving you on costs. We work with your budget and have attractive payment terms to suit.
Our process
elderly couple looking out of double glazed windows

We find the right double glazing solution for your home by helping you prioritise what is most important to you, such as retaining heat, solar control, level of natural light or noise control. Our experts then tailor a suitable option for your home.
Your priorities
Koru fern

Our double glazed units are made for New Zealand conditions and are factory sealed locally in our New Zealand plants. We're part of Metro Glass and have been pioneering glass for over 35 years.
New Zealand local
family relaxing on couch with double glazing windows

By choosing us you're guaranteed the biggest and best double glazing range in New Zealand. Because of our diverse range - whatever your priorities are we can tailor a double glazing solution to suit.
Your solution
Man installing double glazed windows

Instead of replacing your whole window which can be expensive. We replace your existing single glazed glass with a new factory sealed energy efficient double glazed unit into your existing window frames, saving you on costs. We work with your budget and have attractive payment terms to suit.
Our process
elderly couple looking out of double glazed windows

We find the right double glazing solution for your home by helping you prioritise what is most important to you, such as retaining heat, solar control, level of natural light or noise control. Our experts then tailor a suitable option for your home.
Your priorities
Koru fern

Our double glazed units are made for New Zealand conditions and are factory sealed locally in our New Zealand plants. We're part of Metro Glass and have been pioneering glass for over 35 years.
New Zealand local
family relaxing on couch with double glazing windows

By choosing us you're guaranteed the biggest and best double glazing range in New Zealand. Because of our diverse range - whatever your priorities are we can tailor a double glazing solution to suit.
Your solution
Couple talking in home, while looking at double glazed windows online

Find out if retrofitting is right for your home

We understand that each home is different, our expert Retrofit consultant will assess your home, and recommend a tailored solution for you and your budget.

Get a free quote

Learn more about retrofit double glazing

Check out some of our key blogs about retrofit double glazing. To view all our blogs click here.

Child with teddy bear in front of double glazed windows

What is double glazing?

Read more
Couple dancing in lounge in front of double glazed sliding doors

Is retrofit double glazing worth it?

Read more
Double Glazing in Aluminium Windows

How does retrofit double glazing work?

Read more
A woman's hand open, holding testimonials.

View what our customers have to say about us

View testimonials and reviews

We find ways to make it easier to afford quality double glazing, check out these attractive finance options here and request your free quote here. Terms apply.