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CostHelper > Home and Garden  > Roofing, Windows & Siding > Bay Window

Bay Window Cost


How Much Does a Bay Window Cost?

 
low costLow: Window Starts $800-$2,000; Can Run $2,500-$7,000average costMedium: Usually Runs $1,500-$8,000 Installed
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A bay or bow window lets in daylight and creates the illusion of a larger room. Both styles protrude outward from the exterior wall, adding a unique architecture feature, and many have a small window seat indoors, creating a cozy place to admire the view. A bay or bow window can be an esthetically pleasing way to replace a small window with a larger, more panoramic one without appearing out of place on an older home.

Typical costs:

  • The cost for just the bay or bow window (without installation) starts around $800-$2,000 for a standard version but can run $2,500-$7,000 for a larger or a custom model. The price will depend on the size and the materials used. Vinyl is long-lasting and more economical, but not everyone likes the look of vinyl as compared to the more traditional wood.
  • With professional installation the average cost can jump to anywhere $1,500-$8,000, depending on the cost of the window and the complexity of the installation. It usually costs more if the installer has to create an opening or enlarge the opening from the pervious window. A New Jersey homeowner[1] received quotes ranging from $2,800-$3,700 for complete installation of a bay window.
Related articles: Replacement Windows, Skylight, Exterior Door

What should be included:
  • A bay window has three windows fastened together ("mulled") at the factory, usually at an angle of either 30 or 45 degrees. The center window is similar to a small picture window, and the two side windows will usually open for ventilation. A bow window has four or more windows -- five is typical -- creating a more circular appearance than the somewhat boxy bay window. A window manufacturer illustrates[2] the two types.
  • TurtleSoft.com estimates that installation[3] of an 8-foot bay window takes two skilled workers an average of 1.5-2 hours, with a little help from an unskilled worker. Installation requires cutting (or enlarging) an opening, and suspending the window from the wall so it's structurally sound. Most bay or bow windows are made of wood or vinyl, come with insulated double-pane windows, and standard widths range from 3-1/2 to 10-1/2 feet. ThisOldHouse.com provides an overview[4] of the various options and describes the installation of a second-story bay window[5] .
Additional costs:
  • Adding a copper roof on a bay window looks sharp but can cost another $1,500-$3,500 or more.
  • Pre-drawn plans[6] for a bay window addition are available online for $40-$50.
Shopping for a bay window:
  • Major manufacturers of bay or boy windows include Andersen[7] , Jeld-Wen, Milgard[8] and Pella. These companies provide referrals to local suppliers or dealers.
  • Generally, installing a bay or bow window is not considered an average do-it-yourself project, and most experts recommend hiring someone with experience installing bay windows, especially if the existing window opening needs to be enlarged or if a new opening must be created. If installation is not included in your purchase price, ask for contractor referrals from friends or family, or at the local hardware store.
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What People Are Paying - Recent Comments
Remodeling and Windows Installation
Amount: $0.00 total
Posted by: Mason Collins in Brooklyn, NY.Posted: December 3rd, 2019 11:12PM
Material: Installer: skywindowsnj.com
Replacement windows installation is not a task for the average glazier. These projects require superior skills, specialized tools along with advanced training and precision. Our installation specialists understand that the replacement must be accomplished in a manner that ensures the material floats perfectly within its allotted frame. Without a master’s level of precision, the replacements can be installed unevenly. This will, in effect, create a lopsided end product.
Material type is the largest cost factor. On the lower end of the spectrum is a vinyl, single-hung, replacement unit.
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lifetime Warranty meant "Til company goes out of business"
Amount: $10,000.00 total
Posted by: David Mundy in St. Louis, MO.Posted: August 8th, 2019 10:08AM
Material: vinylInstaller: Thomas Construction
We had a large bay window installed about 14 years ago. I probably overpaid them due to sales pitch. They said it has a lifetime warranty, but the company went out of business a few years ago. Same thing happened to me on a large-screen TV I bought. Warranties don't mean anything to me anymore because companies go out of business left and right.
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Enlarge Window (30" to 72" w) on Brick Home
Amount: $4,079.00 total
Posted by: AngeliqueShawn in Cincinnati, OH.Posted: March 10th, 2017 09:03AM
Material: 580.00Installer: 3499.00
I have a 31 x 52 " window. Recieved estimate from re modeler to enlarge window. 3499 for labor , supplies, electric, header, re-bick, plus 580.00 for the Anderson window 72" x 52" high.
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Bow Window
Amount: $6,800.00 total
Posted by: Cynthia C. in Groton, CT.Posted: May 16th, 2016 03:05PM
Material: Vinyl CladInstaller: Professional Contractor
We had a professional contractor install a new bow window in our house in Connecticut where no other window existed. He needed to do framing and drywall and put in a new vinyl unit by Earthwise. Total cost was just under $6800.00 Paint was not included.
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Bow Window
Amount: $3,000.00 total
Posted by: bryan in Lockport, IN.Posted: March 12th, 2010 09:03AM
Material: see belowInstaller: energy savers, inc.
5-Lite Bow - Interior color Oak, exterior beige, low E glass, argon gas, grids colonial style. remove existing bow, 3 1/4 colonial casing. head and seat board to be laminated. Get a tax gredit of $900.00. Did I get a good deal or not
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External Resources:
  1.  ths.gardenweb.com/forums/load/windows/msg0216211814317.html
  2.  www.marvin.com/windows/bay-and-bow-windows/
  3.  www.turtlesoft.com/construction-costs/Windows/Bay_Window.htm
  4.  www.thisoldhouse.com/toh/article/0,,213539,00.html
  5.  www.thisoldhouse.com/toh/article/0,,201515,00.html
  6.  www.familyhomeplans.com/project_details.cfm?ProjectNumber=90023
  7.  www.andersenwindows.com/product/bay-bow-windows/
  8.  www.milgard.com/planning-your-project/where-to-start/
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