Custom Window Designs, a leader in innovative home solutions based in Oakville, proudly showcases Bay Windows – a highly sought-after option by homeowners and architects. These windows bring a distinct charm to any living space as they project outward, creating a sunlit sanctuary with breathtaking panoramic views. From the outside, Bay windows add a welcoming and decorative architectural touch to your home. They are adaptable and can be used as front, side, or rear windows. At Custom Window Designs, we guarantee the durability and energy efficiency of our custom-built Bay windows.


  • Outward Projection: Extends living space with a distinctive outward projection.

  • Graceful and Sunlit: Creates a graceful, sunlit space with a panoramic view from the interior.

  • Custom-Built: Each Bay window is custom-built for specific applications, ensuring durability and energy efficiency.

  • Decorative Touch: Offers a welcoming, decorative architectural touch from the exterior.

  • Increased Space: Bay windows project outward, creating additional living space and making rooms feel larger.
  • Versatility: They can serve multiple purposes, acting as a decorative element, providing panoramic views, and enhancing natural light.
  • Aesthetic Appeal: Bay windows often add a charming and stylish architectural feature to both the interior and exterior of a home.
  • Ventilation: Depending on design, bay windows can offer improved ventilation, allowing for better airflow compared to fixed windows.
  • Cost: Bay windows can be more expensive to install than standard windows due to their complexity and customization.

  • Space Limitations: The outward projection may not be suitable for all spaces, especially in close quarters or smaller rooms.
  • Maintenance: The angles and additional glass surfaces can make cleaning and maintenance more challenging.

How much do Bay Windows Cost in Oakville?

At Custom Window Designs, our bay windows are exclusively crafted from high-quality vinyl, with starting prices at $2,00, reaching up to $5,000. The variation in cost is influenced by factors such as the size of the window and specific customization options like the type of glass and additional treatments. Please note that installation fees, as well as the costs for locks and handles, are not included in the base price and will be calculated separately, ensuring you receive a personalized solution that fits both your needs and budget.

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Why choose Custom Window Designs for your Bay Windows in Oakville?

Premium Vinyl

  • Extruded from the highest quality, our premium lead-free PVC compounds are formulated for resistance to UV, fading, and cracking

  • Non-metal Super Spacer minimizes condensation

  • Multi-Chambered sashes provide thermal resistance

  • Optional Brickmould to add elegance to your windows

Fusion Welding

  • All frames and sashes are precisely welded for increased strength and durability

  • Watertight and Airtight: our non-degradable sealants and reinforced joints prevent any sealing problems

Custom Window Designs Advantage

  • 50 Years Experience: Leverage our half-century legacy in the industry, where seasoned expertise meets unparalleled craftsmanship in every window and door project

  • Manufacture & Install: Benefit from our end-to-end service as we not only manufacture but also expertly install ensuring quality control and lower costs

  • Financing Available: Ease your investment with our flexible financing options, designed to make our premium window and door solutions accessible for every budget

  • Lifetime Warranty: Rest easy with our lifetime warranty, offering you enduring security and trust in the lasting quality and performance of our products

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