Double Glazed French Doors

French doors are a classic and elegant addition to any home and are cherished for their styling and for the natural light and fresh air that they provide for living spaces. French doors can contain large sections of glass panelling and if this glass is single glazed they can have lower energy efficiency compared to double glazed french doors.

By double glazing your existing french doors you can improve their energy efficiency which will improve the comfort of your home and help you save on energy bills. Our retrofit double glazing process also avoids the need to replace your existing french doors - so you can save on install costs too!

Benefits of Double Glazing French Doors

Retrofit double glazing your existing french doors can help you to upgrade your home and can provide the following benefits:

  • windows slides

    Improved energy efficiency - double glazed glass creates a thermal barrier that reduces heat transfer and maintains a more stable temperature

  • thermal performance

    Energy bill savings - by minimising fluctuations in the temperature of your home you can reduce the need for heating and cooling.

  • window security

    Improved security - double glazed glass is tougher and harder to break

  • wnidow

    A quieter home - double glazed french doors can reduce noise by up to 70%

  • windows door

    Reduction in condensation - double glazed windows maintain a more stable temperature which minimises the condensation and mould build-up

  • window noise

    Environmental - double glazed french doors are better for the planet and can help your reduce your carbon footprint

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10 year warranty
10 Year Warranty

Double glaze for long term performance

The RetroFit Double Glaze install team have years of experience double glazing french doors and focus not only on improving their energy efficiency but also on enhancing their overall performance. Our team will ensure that your french doors are perfectly balanced and open and lose smoothly. In some cases their functionality may be enhanced after double glazing.

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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Our RetroFit Double Glazing Process

Our double glazing installers are passionate about improving the energy efficiency of Melbourne homes and our double glazing process is simple and stress-free:

1

Measure & Quote

Our team visits your home and assesses your existing french doors to prepare a no obligation quote.

2

Custom Double Glazed Glass is Delivered

High performance double glazed glass is custom cut to suit the requirements of your french doors.

3

Old Glass Removed & Frames Routed

We carefully remove existing glass from your french doors and router out existing frames.

4

Double Glazing Installation

Your french doors will then be upgraded with new high performance double glazed glass. Our team will remove and waste material and recycle as much of it as possible.

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Price Match Guaranteed

Find a better price on the same service and we'll match it!

Want to Double Glaze Your French Doors Yourself?

For DIY enthusiasts we have a DIY double glazing solution which includes a step by step guide on how to double glaze your french doors.

Double Glazed Windows Installation

Meet our expert team of double glazed windows installers. 

diy double glazed retrofit window installation team

Why Use RetroFit Double Glaze?

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Over 12 Years Experience

We specialise in upgrading existing timber windows and enhancing energy efficiency without altering your home's character.

power effective

Enhanced Home Comfort

Enjoy reduced energy expenses, improved noise reduction, and increased security with our double glazed solutions.

sustainable

Commitment to Sustainability

By improving energy efficiency, our solutions help reduce your carbon footprint, contributing positively to the environment.

Frequently Asked Questions

Yes, our retrofit double glazing process maintains your existing frames and retains the classic style of your french doors.

Yes, our team specialises in double glazing heritage homes and older windows and doors are well-suited to our double glazing process.

Not at all, Our team will ensure that your french doors retain their performance. In some cases their performance may be enhanced after double glazing.

Our pricing is fully transparent and double glazing a french door ranges from $900 to $1,800 fully installed depending on the size of the door.

Timing can vary depending on how many doors you want double glazed. Most french doors can be double glazed within a day.

It sure can! Double glazed french doors improve your home’s insulation and help to maintain a comfortable temperature. This means you can reduce the amount of time you need to use the heater in winter and the air conditioner in summer.

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