Bay Window Replacement Cost

Use our guide below to determine if bay windows are right for your next project. Compare types of bay window styles, strengths and weaknesses of bay windows, glass options, grid / grill patterns, and window screens.

Bay window replacement can cost vary dramatically based on the existing structure of your home, so a safe low estimate is around $2149 pending the installation details or as much as $7915 or more per bay window depending on your choice in size, configuration, hardware, functionality, style, glass type, and more.

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Bay Window Installation and Replacement

A bay window is not typically a single window, instead it is customizable in many different fashions depending on how you want to configure it. For the maximum amount of light and viewing space, three fixed picture windows can be installed and angled together. More commonly, a larger picture window in the center with two smaller angled windows on each side is preferred for the added ventilation. The two smaller windows are typically double hung or casement styles which project outward to add an element of depth.

A bay window costs more to install because these projected windows require additional structural support from your home. It’s important to not have any projected window exceed the width of your existing soffit as weather such as rain or snow may build up on top of projected bay window which may cause long term damage. The projected bay window will be supported by a custom-built roof or tied into your existing soffits. The large picture window allows more natural daylight while the angled end windows allow efficient ventilation into the house. For stability, all these windows are framed together and supported at the bottom, from the exterior side of the window.

Bay windows can be worth the cost because they are known for making the most of beautiful views, access to natural light, and added ventilation.

Advantages of Bay Windows

Extended View

Unlike most of the other windows which are affixed to the wall, the bay windows stretch out and project out of the walls of the house increasing your view. With a bay window you also allow more light and air into the room. The picture window portion is large and unobstructed and as a result, offers you a wide view outside, creating a perception of depth to your room. Location of the bay window is essential in enjoying these benefits.

Added Floor Space

Whether you live in a compact or just looking for a way to increase the floor space or add a new dimension, bay windows are one of the best options available. Most bay windows extend beyond your homes walls to create new shelf space, which is great for storage, decoration, plants, and more. With bay windows more space is created on the inside making a small space seem big. It is common to add at least ten square feet to the initial room size with a single bay window.

More Natural Light

Angled and box bay windows allow natural light to enter your home from the front and sides. Making this a great way to take in the sun regardless of the time of day.

Ventilation

While the center window is usually fixed, when installed with double hung or casement windows can maximize the overall airflow in any room.

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Drawbacks of Bay Windows

Cost of Installation

Bay windows involve the use of multiple windows. They require bracing reinforcement to ensure long term protection from weather and proper operation. Although bay windows are a costly investment, we offer affordable financing options to help you achieve your dream window.

Professional Technical Requirements

Many do it yourself-ers may have the courage to add or replace a double hung or small window. But the complex design of a bay window, overall size, and weight, as well as proper support, creates a much greater need for expertise in the installation process. Always consider consulting a professional window contractor before installing a bay window to maximize your utility.


Types of Bay Windows

Bay windows are a classic design and have been found in homes for hundreds of years without much change. The flexibility in window styles, sizes, and shape gives flexibility and unique design options for every home. With all the variations on styles and combinations, it really boils down to three main designs:

Angled Bay Windows

Angled bay windows have the classic feel that you would expect in a bay window. It extends out from the exterior wall usually between a 30-to-45-degree angle and offers a nice shelf or sitting area in the room.

Boxed Bay Windows

Boxed bay windows are like angled bays with the main difference being the side windows extend at a 90-degree angle, creating the shape of a box.

Bow Windows

Bow windows are curved without the harsh lines in the angled or boxed configurations.


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Bay Windows (FAQ) - Frequently Asked Questions

Here are some of the most frequently asked questions (bay windows FAQ) we've answered dover the years about replacing and installing windows.

For most homeowners, the advantages of a bay window far outweigh the costs. The added aesthetic value alone can add significant value to your home combined with an unbeatable view and more floor space.

Bay windows are designed to extend beyond your home, and are a great spot for a seat, storage, or just added space. Yes, you can sit on the newly added floor space in your bay window.

Bay windows are great for adding dimension to square rooms or adding natural light to dark rooms.

Bay windows typically have three windows with a large picture window in the middle and two casements or double hung on the sides. Bow windows usually consist of four or five windows together. Bow windows create more of a curved structure while bay windows tend to be less subtle.

The average cost for a bay window typically starts around $2,500 and depending on the size and existing structure can easily go to the $8,000 range. Many companies will state lower costs by excluding any structural changes, cheap labor, or lower quality materials. For Bay windows, always ask how the added weight is being managed by your home.