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Bay Windows Dandenong & Victoria

Double Glazed Bay Windows for Energy-Efficient Living
While similar in appearance to bow windows, a bay window is traditionally made up of three glass panels that project outward from the house. This creates a charming architectural feature that adds depth, character, and functionality to your home. Bay windows are a popular choice for small and medium-sized properties in Melbourne, Dandenong, and across Victoria, as they are an effective way of opening up the living space, creating additional room, and flooding the home with an influx of natural light.
The flexible design of bay windows means that you can easily incorporate other window styles such as awning windows, flush sash windows, tilt and turn windows, and more. By extruding away from the property, a double glazed bay window not only provides more usable interior space but also enhances your view outdoors with slim sightlines and increased natural light intake.
Bay windows are also renowned for their ability to improve energy efficiency. With advanced double glazed windows, they help retain heat during winter and keep your home cooler in summer, reducing energy bills while providing year-round comfort.
Discover the Benefits of Bay Windows for Melbourne Homes

Thermal Performance
With improved thermal efficiency and U-values as low as 0.9 W/m2K, you can minimise your reliance on central heating whilst potentially reducing your energy bills.

Low Maintenance
As well as adding a stylish appearance to your property, our double glazed bay windows will require little maintenance. An occasional wipe down should be all that is needed.

Slim Frames
Our bay windows are engineered to allow for a larger glazing area with slim frames, which in turn lights up the property and provides incredible panoramic views of the outside.
Open Up Your Living Space with Bay Windows
One of the biggest benefits of double glazed bay windows is their ability to transform a room by making it feel larger, brighter, and more inviting. The expansive glass panes allow natural light to pour in, illuminating your interiors and giving your home a more open and spacious feel.
Homeowners across Dandenong, Melbourne, and wider Victoria can also personalise their bay windows with decorative or patterned glass to add style, privacy, and individuality. Whether you live in a traditional property or a modern home, bay windows can be customised to perfectly match your design preferences.
Bay windows are available with side panels angled at 30°, 45°, or 90°, the last option often referred to as box windows which increases interior floor space and allows for more versatile room layouts. Many homeowners also choose to incorporate a window seat, turning the space into a cosy reading nook or a practical storage solution beneath.
In addition to their aesthetic appeal, bay windows improve airflow and ventilation when combined with opening panels, making them just as functional as they are beautiful. From kitchens to lounges and bedrooms, a bay window can instantly enhance the way you use your living space.
Why Choose Ecostar for Bay Windows in Melbourne & Victoria?
At Ecostar, our mission is to make your home improvement vision a reality with premium-quality double glazed windows designed for long-term performance. Every bay window installation in Melbourne and Victoria is carried out by our in-house contractors, giving you peace of mind that your project is in safe hands. To further protect your investment, we back our products with a ten-year guarantee.
Our quotes are always transparent and inclusive, covering surveys, shipping, removal, and installation so you’ll never have to worry about hidden fees.
Based in Dandenong, we are proud members of the Emplas Group, a trusted international supplier of home improvement products since 1979. Thanks to our direct line with leading uPVC and aluminium manufacturers, we can offer only the best-performing and most durable bay windows to homeowners across Melbourne and the rest of Victoria.
When you choose Ecostar, you’re choosing style, energy efficiency, and long-lasting performance. Our double glazed bay windows not only improve the comfort and value of your home but also create a stunning architectural feature that you and your family can enjoy for years to come.
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Frequently Asked Questions
Ecostar are a major uPVC window and door manufacturer, and we thoroughly understand the many questions related to bay windows. If you would like to find out more, you can read our most frequently asked questions or call us now to talk with us further.
How Secure Are Bay Windows?
Bay windows are an extremely safe choice for your home. As well as being manufactured using the Optima system which meets the highest security standards, they are also fitted with a multi point locking system for your peace of mind. They are internally glazed, which means the window cannot be removed from the outside. uPVC is also inherently strong and resilient and will help protect your home against potential intruders.
Are there options for decorative glass in bay windows?
Yes, property owners have the choice of using decorative glass with various special designs to choose from, adding a unique touch to their bay windows.
Can I customise the angle of the side windows in a bay window?
Yes, bay windows are available with side windows angled backwards at 30°, 45°, or 90°, the last of which is commonly referred to as box windows, to increase the amount of space in the living area.
Are Your Bay Windows BAL Rated?
Yes, they are. We ensure all our products are thoroughly tested against various BAL conditions. However, if you know you live in a high risk area or require a specific BAL rating, we recommend getting in touch with us to discuss the requirements of your project further.

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Design NowAccreditations
Ecostar holds all major Australian and European quality accreditations including Victorian Building Authority Registered Building Practitioner, Australian Glass and Window Association, British Standard Institute, Secured by Design, Hot Country Profile, Window Energy Rating, Housing Industry Association, Neighbourhood Watch and BFRC energy rating (A++).







