Window Replacement London

On Star Windows & Doors is a name people trust in London, Ontario for best replacement windows and doors. We focus on offering the finest workmanship, a superior overall customer experience, and most advanced technology in the windows and doors industry at an affordable price.

The residents of London, Ontario, are not just our customers. In fact, we believe in treating all our valued clients like our family and aims at surpassing their expectations. Together, our informed sales staff, experienced craftsmen and qualified service technicians, offers exceptional customer service before, during and after every sale. We understand that every project is unique. With this view, we strive to provide you with the finest quality and value into every window, regardless of what style you choose.

Free Consultation ● Free Inspection ● Free Quote

Tell us about your project and On Star Windows Doors specialists will help you with it!

Why Us?

We have experience in addressing your home’s needs to provide you with cooler homes in the summer and warmer homes in the winter, without paying more on utility bills. Moreover, not just our products are of the finest quality, our installation staff is also well-experienced and trained. So when you choose us, you get the best quality products, skilled professionals, and a comfortable home at reasonable prices.

Get a wide variety– With us, you get a variety of choices, whether you are considering renovating your existing home or designing your new dream home. We offer a world of infinite design possibilities for windows and doors that will compliment every home and fits every budget.

Ensure your protection– All the products are designed to provide you with maximum safety. All windows and doors have a special coating on the glass which acts like sunscreen for your house.

another window replacement project by ON Star Windows & Doors in suburban Ontario

Test of time– Our products are designed, tested and manufactured using solid engineering and the latest manufacturing techniques. With years of experience, we provide products that stand the test of time and ensure to meet our uncompromising commitment to quality and long-lasting satisfaction.

On Star offers several different styles and designs of replacement windows, as well as, patio and entrance doors to create a stunning, high-performance home. With us, you not only get the most stylish and perfect window or door but also the best installation services. Proper installation is critical to ensure that the products perform efficiently and last as long as possible. You can trust our experienced team of installers for first-rate window and door installation.

Whether you’re building a new home or remodeling the existing one, On Star windows and doors allow you to get creative without sacrificing quality or stretching your budget. All products are designed and installed to meet your specific needs, depending on architectural style and regional preference. From awing windows to casement, double-hung to single-hung, and slider to bay/bow windows, all models are crafted using the highest quality materials, resulting in products that are not only beautiful but also durable, strong and energy efficient. Moreover, with our classy entry and patio doors, you can provide your home or workspace with more refinement and natural light.

Contact us today for Free Estimate for Window Replacement Needs in London.

We Specialize in The Following Types of Windows Replacement in Window Replacement London

Bay & Bow Windows

Bay & Bow Windows

Bay windows are 3 window picture windows or picture and casement window combinations fused together while bow windows have 4 or more panels.

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Hung Windows

Hung Windows

Our double hung and single hung windows provide classic design and ultimate ventilation flexibility.

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Slider Windows

Slider Windows

Slider windows come in double slider and single slider forms with tilt feature for easy cleaning.

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Picture & Shaped Windows

Picture & Shaped Windows

Various shaped windows & picture windows custom made to your specifications.

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Casement Windows

Casement Windows

Casement windows are a popular choice, due to their classic appearance and energy efficiency.

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Awning Windows

Awning Windows

Awning windows are a great choice for bathrooms fitted with privacy glass, basements and kitchens. Perfect for ventilation even during rain.

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We are Featured

Our team is industry certified, experienced, and follow all safety and building codes.

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