Why Melbourne Homeowners Choose RetroFit Double Glaze

For over 12 years, RetroFit Double Glaze has been helping Melbourne homeowners create warmer, quieter, and more energy-efficient homes.

We upgrade windows by double glazing them and our process enables homeowners to retain your original window frames and the original character and charm of your home. 

As a locally owned and operated business, we have a deep understanding of Melbourne's rich architecture landscape and we specialise in double glazing a range of homes including Victorian terraces in Fitzroy, custom bayside properties and mid-century homes in the eastern suburbs.

At the core of RetroFit Double Glaze is the drive to make a more energy efficient, comfortable and healthy community. We have retrofit doub;e glazed over 2000 homes around Melbourne and we are passionate about tackling climate change one window at a time.

What Our Clients Experience

The improvements our clients notice after retrofit double glazing are immediate and lasting:

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Warmer in Winter, Cooler in Summer

Double glazing reduces heat transfer, maintaining a more comfortable home year-round.

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Lower Energy Bills

Less reliance on heating and cooling so you can cut back on bills

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Improved Security

Double glazed glass is tougher and harder to break compared to single paned glass.

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A Quieter Home and Better Sleep

Double glazing significantly reduces outside noise like traffic or the next door neighbour's barking dog.

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Window Condensation Minimised

Reduction in moisture, mould risk, and damage to timber frames.

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Increased property value

Our customers consistently report valuations well above the cost of installation, making double glazing a smart investment.

We are proud of the positive feedback we receive from our clients and of our 5 star Google rating that we have earned through high quality double glazing installations.

RetroFit Double Glaze
4.9
Based on 107 reviews
Philip Miles
Philip Miles
00:37 03 Sep 26
Retrofit did a fantastic job in replacing single glazed panes for double glazed units on my house which is about 17 years old. Very professional, tidy and all round great job!
Niall Kennedy
Niall Kennedy
02:06 30 Aug 26
Really great service from Retrofit. Did a great job double-glazing our 1890s sash windows. Very professional, responsive and always on time. Also super neat and cleaned up everything each day. Very impressed with the job. Particular shout outs to Henry, Valentin and Al who have been fantastic!
John Hughes
John Hughes
06:56 26 Aug 26
Good job all round. Staff were pleasant, got the job done in good time, kept it tidy and cleaned up afterwards. Liam and his team did a great job on the install.
Jeff Newman
Jeff Newman
06:54 25 Aug 26
Outstanding Service and WorkmanshipWe recently had the glass in our home windows replaced and upgraded to double glazing through Retrofit Double Glazing, and we couldn’t be happier with the experience.The professional nature of the company was evident from our very first contact with Warren, through to Jarrod, who carried out the measuring and provided the quote, and our installers, Liam and Eddy. The entire process went seamlessly from start to finish.A special shout-out to Liam and Eddy, who took great care in the way they worked in and around our home. Their extremely high level of workmanship, attention to detail and professional manner gave us complete confidence in the work being carried out. They were respectful of our home and left everything neat and tidy.We also appreciated the follow-up communication from the company, keeping us informed about when the work would be carried out. This gave us peace of mind and allowed us to plan ahead.We would highly recommend Retrofit Double Glazing to anyone considering upgrading their existing windows. From the initial contact through to completion, the service, communication and workmanship were exceptional.A fantastic experience from start to finish!
Jason Mathias
Jason Mathias
04:55 25 Aug 26
The RetroFit Double Glaze install team were fantastic! They were on time, very friendly and respectful and did a brilliant job. Highly recommended.
Inna Smith
Inna Smith
05:18 30 Jul 26
Henry, Shane and Shae did a magnificent job. Very professional and efficient. Thanks for your great work. A huge improvement on our old windows.
Anne
Anne
03:14 30 Jul 26
Brilliant job from start to finish. Easy quoting process and staff helpful. On the day the team arrived promptly, and introduced themselves. Valentin and Jasmin were very professional, polite, and eager to make the installation experience positive. They are a great team! Work completed in a timely manner, windows look wonderful, and they cleaned up before they left. Communication through the day as the job progressed was wonderful. Thanks so much.
Henry Whitmore
Henry Whitmore
00:49 23 Jul 26
Warren is the best bloke i’ve ever talked to, great guy. The glass is good too
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Join the thousands in Melbourne who have had their homes improved by RetroFit Double Glaze!

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Our Double Glazing Process

We’ve been employing the solid bedding retrofit process for over 12 years in Melbourne. This technique takes longer to install than gasket systems, but the benefits of aesthetics and longevity are far superior. 

Our double glazing technique fully seals Insulating Glass Units (IGUs) into existing window frames, eliminating the need for a drainage channel that is required for gasket-glazing options. Gasket glazing does not seal completely and is subject to shrinkage and deterioration over time. 

Our process is the same method used in the fabrication of new high-quality windows. We take the time to create a new rebate into your existing window frame, enabling the largest size unit to fit.  Other systems use aluminium extrusions that not only shrink your effective window size, but can also create a thermal bridge, reducing the thermal efficiency of your new window system.

Windows upgraded by RetroFit Double Glaze means no unsightly drainage channel that can make your windows look 'retrofitted,’  With our process your windows will retain their aesthetic look and feel with the addition of the latest in thermal insulating and sound absorbing technology.

Types of Windows That We Double Glaze

Our professional install team specialises in double glazing a range of window types including:

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    Double Glazed Bay Windows

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    Custom Double Glazed Windows

Get in touch with our team if you have questions about double glazing your windows.

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Locally Owned & Operated

We are also locally owned and operated, partnering directly with Australia's largest glass manufacturers without a franchise structure; meaning we pass the savings directly onto you, without compromising on quality. 

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Choose RetroFit Double Glaze for a Healthier, Energy Efficient Home

If you want to experience warmer winters, cooler summers, lower energy bills, and a quieter and healthier home, make the switch to double glazed windows.. To find out what retrofit double glazing could do for your home contact us for a no obligation free measure and quote.

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Trusted double glazing professionals in Melbourne

Our team has over 12 years of experience installing double glazed windows across greater Melbourne with over 10,000 window upgrades every year!

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Quality and affordability

We install high performance Australian-made double glazed units and our team pride themselves on high quality installs, treating each home as if it was their own. Our large install volume also gives us access to highly competitive pricing.

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Integrity

Our team is committed to providing honest and personalised service to each and every customer in every interaction.

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