Changing Garage Door to Window

Matt Keane
June 17, 2024

Considering turning your garage door into a window? Turning your garage door into a window is a smart way to upgrade your home. Not only does it make your house look nicer, but it also brings in more natural light and can save on energy bills. Plus, it really boosts your home’s appeal. 

Adding a window where your garage door used to be can also increase the value of your home. This kind of upgrade makes your house more appealing if you ever decide to sell it. It's a change that offers both style and function, making your garage a more enjoyable part of your home. 

In this blog, we will help you learn the step-by-step process of converting your garage door into a full functional, and aesthetic window. 

So, let's get started.

Why Should I Convert My Garage Door to a Window?

Converting a garage door to a window opens up a wide range of possibilities, not just in terms of design but also in terms of functionality.

Increased natural light: 

One of the most compelling reasons to convert a garage door to a window is the significant increase in natural light that can transform a typically dark and underused area into a bright, welcoming space. Natural light not only makes the space more usable but also helps reduce energy costs during the day.

Enhanced home aesthetics:

Replacing a garage door with a window can significantly enhance the restricted appeal of your home. A window can add a level of sophistication and visual interest that a standard garage door might lack. This aesthetic improvement can be particularly impactful if you're thinking of selling your home, potentially increasing its market value.

Improved functionality and versatility:

With the addition of a window, what once was just a place for parking cars or storing items can be transformed into a livable space, such as a home office, gym, or hobby room. A window can make these spaces more comfortable and appealing for prolonged use.

Better energy efficiency:

Windows designed for energy efficiency can provide better insulation than a garage door, leading to more stable indoor temperatures and lower heating and cooling costs. This is especially beneficial if you are using the garage as a livable space, requiring it to be comfortable regardless of the weather outside.

What Are the Steps to Converting Your Garage Door into a Window?

Transforming your garage door into a window can significantly change the look and functionality of your home, providing natural light and enhancing appeal. Here’s how to do it:

Step 1: Plan and design

Before you begin, it's crucial to have a clear plan in place. Decide on the size and style of the window you want to install and how it will affect the overall aesthetics of your home. 

Consult with a structural engineer or architect to ensure the conversion won't compromise your home's structural integrity. Obtain any necessary permits from your local building authority.

Step 2: Remove the garage door

Start by safely breaking and removing your garage door. This step typically involves disconnecting the door from the opener, releasing tension from the springs (very carefully, as they can be dangerous), and removing the panels and tracks. It’s a good idea to have at least one helper, as garage doors can be heavy and unwieldy.

Step 3: Frame the opening

With the door removed, you will need to frame the opening for your new window. This involves constructing a new wall section below the window and reinforcing the existing opening to support the window. Ensure the framing is level and securely attached to the existing garage structure.

Step 4: Install the window

Once the frame is set, it's time to install the window. Choose a window that fits the opening and matches your home’s design. Secure the window in place following the manufacturer's instructions, ensuring it is level and properly sealed against weather. Finish the interior and exterior trim to provide a clean, professional look.

Step 5: Insulate and Finish the Interior

Proper insulation around the new window is key to maintaining energy efficiency in your home. Fill any gaps around the window frame with insulation, and then install drywall or your chosen interior finish, painting or decorating as desired.

Step 6: External Finishing

The external appearance of where the garage door once was needs to be addressed. This might involve brickwork, siding, or other materials that match your home's exterior. Ensure all finishes are weatherproofed and sealed to protect against the elements.

By following these steps, you can turn your old garage door into a beautiful, functional window that lets in light and adds value to your home.

How Converting Garage Door into Window Enhance Functionality?

After converting your garage door into a window, there are numerous ways to enhance both the functionality and design of your newly transformed space. These enhancements can make your garage more comfortable, visually appealing, and better suited to your lifestyle needs.

Improve lighting and ventilation

With the addition of a window, natural light will increase, but consider the quality and direction of the light throughout the day. You might add adjustable window treatments like blinds or curtains to control the light and maintain privacy. 

For ventilation, ensure that the window can be opened and consider adding a screen to keep out insects and debris.

Upgrade insulation

Upgrading the insulation in the walls surrounding the new window can significantly improve thermal efficiency. This step is crucial, especially if you plan to use the space as a living area or workshop. 

Use high-quality insulation materials that will help maintain a consistent temperature and reduce energy costs.

Redefine the space

With the garage door replaced by a window, the space can serve many new purposes. Whether you turn it into a home office, a gym, or an extra living room, consider the layout and design elements that will best suit your needs. 

Installing appropriate flooring, like laminate or carpet, and adding suitable lighting fixtures can completely transform the ambiance.

By focusing on these enhancements, you can maximise the functionality and aesthetic appeal of your converted garage space.


From the initial planning and design stages to the removal of the old door, framing, and installation of a new window, we covered all the essential steps. This transformation not only enhances natural light and improves your home's aesthetic but also increases functionality and energy efficiency.

Planning to convert your garage door into a window? Contact BuildPro today for expert advise and professional service.

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