How much does it cost to replace a bay window

July 2022

Table of Contents Show

Custom Calculators with Homewyse Lists
Unit Costs: How Pros Price
Cost to Install a Bay Window - Notes and General Information
References - Bay Window Installation
Bay Window Installation Budget Management
Hiring Local Professionals
Make Homewyse better
Can you replace one panel of a bay window?
How much does it cost to replace a bay window glass?
How long does it take to replace a bay window?
Is a bay window more expensive?

	Item details	Qty	Low	High
	Bay Window Cost Non-discounted retail pricing for: PVC window with fusion welded frame. Double pane, low E glass with Argon insulation layer. 0.35 U factor. Limited lifetime warranty.	1 window	$696.74	$1,064.25
	Bay Window Installation Labor, Basic Basic labor to install bay window with favorable site conditions. Set unit in rough opening. Shim to achieve level and plumb placement. Set jamb edges flush to finished wall surface. Secure unit to rough opening framing. Insulate perimeter and secure house wrap at window as appropriate. Repair of exterior and interior surfaces is not included. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup.	1 window	$696.74	$1,064.25
	Bay Window Installation Job Supplies Cost of related materials and supplies typically required to install bay window including: fasteners, shims, flashing, drip cap, perimeter foam insulation and exterior caulking.	1 window	$696.74	$1,064.25
	Option: Remove Windows Score perimeter of window frame or casing on interior, where bonded to adjacent surface(s). Remove casing. Remove exterior trim and siding around window perimeter, beyond flashing. Remove accessible fasteners and window frame without damaging adjacent surfaces, finishes or hardware. Remove materials from premises. Material cost includes dump fee.	1 window	$696.74	$1,064.25
	Bay Window Debris Disposal Costs to load and haul away old materials, installation waste and associated debris.	1 window	11.8125	13.4375
	Unused Minimum Labor Balance of 2 hr(s) minimum labor charge that can be applied to other tasks.


Totals - Cost To Install Bay Window
Average Cost per Window

Custom Calculators with Homewyse Lists

Service Professionals: create a reusable estimating app that is 100% customized to your business. Start with a template or build your own (free; Account sign up required):

For a basic project in zip code 47474 with 1 window, the cost to Install a Bay Window starts at $1,153 - $1,724 per window. Actual costs will depend on job size, conditions, and options.

To estimate costs for your project:

1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.

2. Specify Project Size and Options Enter the number of "items" required for the project.

3. Re-calculate Click the "Update" button.

Unit Costs: How Pros Price

Unlike other websites that publish pricing from unrelated jobs in the past, Homewyse creates up-to-date estimates from current Unit Costs. The Unit Cost method delivers high accuracy by using location, details and options for the unique requirements of each job. Contracting, trade, design and maintenance businesses rely on the Unit Cost method for transparency, accuracy and fair profits.

Cost to Install a Bay Window - Notes and General Information

These estimates are for BASIC work performed in serviceable conditions by qualified trade professionals using MID GRADE materials. Work not mentioned on this page and/or work using master craftsman, premium materials and project supervision will result in HIGHER COSTS! Explore the full range of bay window new installation labor options and material prices here.

These estimates are NOT substitutes for written quotes from trade professionals. Homewyse strongly recommends that you contact reputable professionals for accurate assessments of work required and costs for your project - before making any decisions or commitments.

The cost estimate includes:

Costs for local material / equipment delivery to and service provider transportation to and from the job site.
Costs to prepare the worksite for Bay Window Installation, including costs to protect existing structure(s), finishes, materials and components.
Labor setup time, mobilization time and minimum hourly charges that are commonly included for small Bay Window Installation jobs.

The cost estimate does NOT include:

Costs for removing, relocating, repairing, or modifying existing framing, surfacing, HVAC, electrical, and plumbing systems - or bringing those systems into compliance with current building codes.
Costs for testing and remediation of hazardous materials (asbestos, lead, etc.).
General contractor overhead and markup for organizing and supervising the Bay Window Installation. Add 13% to 22% to the total cost above if a general contractor will supervise this project.
Sales tax on materials and supplies.
Permit or inspection fees (or portion thereof) required by your local building department for your overall project.

References - Bay Window Installation

Product and Supplies Data: Lowes Windows and Doors Lowes , Jul 2022, Website
Product and Supplies Data: Home Depot Window and Door Home Depot, Jul 2022, Website
Product and Supplies Data: Menards Door and Window Menards, Jul 2022, Website
Product and Supplies Data: Brosco Price Catalog - Windows, Doors and Millwork Brosco, Jul 2022, Website
Product and Supplies Data: Doors, Windows and Millwork McCoys, Jul 2022, Website
The HUD PATH Rehab Guide Volume 4: Windows and Doors U.S. Department of Housing and Urban Development Office of Policy Development and Research, Mar 2011, Editorial Staff
Home Improvement 1-2-3: Expert Advice from The Home Depot Homer, TLC, Jul 2022, Editorial Staff, ISBN 696213273
Windows, United States Department of Energy, Dec 2009, Editorial Staff
Exterior Doors, United States Department of Energy, Dec 2009, Editorial Staff
Labor Wages and Costs: CPWAR Construction Cost Book The Center for Construction Research and Training, Jul 2022, Staff
Project Spending Data: Harvard University JCHS Homeowner Expenditures Harvard University, Jul 2022, Website

Bay Window Installation Budget Management

This infographic highlights decisions and site issues that can cause large cost variances in the typical Bay Window Installation budget.

Hiring Local Professionals

Our FREE hiring guide helps you hire wisely, get quality craftsmanship and understand fair pricing for your specific project.

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Can you replace one panel of a bay window?

Fortunately, many damaged or broken bay windows may be repaired by replacing one or more of the affected windowpanes.

How much does it cost to replace a bay window glass?

The prices of installing new bay windows are affected by how much construction is needed to install the windows. Bay window replacement cost is typically around $1,800 per window, with labor averaging between $100 and $300.

How long does it take to replace a bay window?

The installation time varies depending on the building you are working on. It may take between 1-2 hours per window for a new build, and 2-4 hours per window for a replacement project. Bear in mind, a bay window will always consist of more than one window.

Is a bay window more expensive?

Bay and bow windows are both more expensive than regular window replacements. You are adding an architectural feature, after all. But, bow windows are typically much more expensive than bay windows. Bow windows are usually twice as large as bay windows, which raises the price.