Window Costs

Learn How to Estimate Window Costs on Your Rehab Projects
Overview
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Things to Look For
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Price Ranges
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Repair Items
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Labor Costs
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Material Costs
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Location Factor
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Other Factors
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Calculating Your Budget
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Examples
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Other Resources

Overview

Windows play a vital role in a home's energy efficiency, aesthetics, and overall comfort. As a house flipper, you need to inspect the condition of existing windows and determine if they need repair or replacement. This guide helps you estimate window project costs accurately.

Things to Look For

When inspecting windows, look for signs of damage, such as cracks, fogging between panes, or difficulty opening and closing. Consider the window's energy efficiency, style, and how it complements the home's overall aesthetic.

To learn more about inspecting windows and identifying potential issues, check out our detailed Window Inspection Guide

Price Ranges

Window replacement costs vary based on the type of window.  Vinyl windows are generally the most affordable, ranging from $300 to $700 each for average sizes. Wood windows are typically more expensive, ranging from **$600 to $1,000 each**. Factors like window size, style (single-hung, double-hung), and material influence the final price.

Category Repair Items

Labor & Installation Costs

Beyond the cost of the windows themselves, you'll need to account for labor costs associated with the installation. Here's a breakdown of what to expect:

  • Typical Installation Time: 2-4 hours per window (includes removing the old window and installing the new one, along with any necessary trim work)
  • Average Labor Rate: $50-$75 per hour for a qualified carpenter or general contractor
  • Estimated Labor Cost per Window: $100-$300 (with a solid average budget of around $200 per window)

Important Considerations:

  • National Chains:  Hiring a national window installation company can often be significantly more expensive than purchasing windows directly and having your own carpenter or general contractor install them.
  • Window Size and Modifications: Larger windows or windows that require modifications to the rough opening will generally take longer to install, resulting in higher labor costs.

Installation Timeline

On a 1,500sf rehab project you will likely have between 10 to 15 windows that need to be replaced. Replacing each window typically takes between 2 to 5 hours, so a window crew can usually complete an entire home window installation in 2 to 3 days.

Material Costs

  • Window:  The cost of the window itself varies significantly depending on the material (vinyl, wood, fiberglass), style, and energy efficiency features.
  • Trim:  Window trim and casing enhance the appearance and finish of the installation.
  • Caulking and Sealant:  These materials are used to seal gaps and improve energy efficiency.
  • Location Factor

    Location Adjustment

    The prices in the table are based on standard window installations in an average suburban area. Window costs can vary substantially by location. If you are located in the East or West Coast, you could expect to pay 15% to 50% more than the recommended price provided.

    Consult our location multiplier index for more accurate pricing in your market.

    Determining Your Local Prices

    Contacting local window installers or contractors is the best way to get accurate pricing. Explain that you are a real estate investor who needs a rough budget for replacing windows. Be specific about the types of windows you're considering (e.g., vinyl, wood) and the number of windows you need to replace. This will help them provide a more accurate estimate.

    Tips for contacting contractors:

    • Be upfront about your needs:  Let them know you are gathering preliminary estimates.
    • Don't pressure them for a firm quote:  Explain that you will contact them for a formal quote when you have a specific project ready.
    • Get multiple quotes:  Reach out to several contractors in your area to compare pricing.

    Other Factors

    Several factors can influence the final cost of your window replacement project:

    • Type of Window Material: The type of window material you choose significantly impacts the cost. For example, a standard vinyl window might cost between $100 and $300, while a custom wood window could range from $300 to $1,000 or more.
    • Window Operation: The functionality of the window also affects the cost. A fixed window (one that doesn't open) might cost $200, while a comparable operable window (single-hung or double-hung) could cost $300 or more.
    • Number of Windows:  The more windows you replace at once, the lower your per-window cost might be. For instance, replacing a single window might cost $500, but replacing 10 windows might only cost $3,000 total ($300 per window), thanks to economies of scale.
    • Size of Windows: Standard window sizes (roughly 2 to 3 feet wide and 4 to 5 feet tall) are generally less expensive than larger windows. A standard-sized window might cost $250, while a larger window (over 3 feet wide) could cost $400 or more. Custom window sizes will also come at a premium.
    • Window Rough Opening Modifications: If you need to change the size of the window openings, this will add to the overall cost. For example, enlarging a window opening might involve $100 in framing materials, $50 in siding materials, and $75 in labor for a painter to touch up the siding.

    How to Estimate Window Costs

    Estimating window replacement costs involves counting the number of windows to be replaced and multiplying that by the average cost per window for your chosen window type and materials.

    Measurements

    Estimating window replacement costs is relatively straightforward. The primary measurement you need is the number of windows that require replacement.

    1. Walk through the property: Carefully inspect each window, noting those that need replacement due to damage, inefficiency, or aesthetic reasons.
    2. Count the windows: Tally the total number of windows you plan to replace.

    This count will be the basis for your cost estimation. You'll multiply this number by the average cost per window for your chosen window type and features to arrive at a rough budget.

    While window sizes can vary, focusing on the count is generally sufficient for initial estimates. If you have a mix of standard and larger windows, you might consider creating separate counts for each category to refine your estimate.

    Calculating Your Budget

    Now that you've counted the number of windows to be replaced, you can calculate a rough budget for your window replacement project. To do this, multiply the number of windows by your budgeted price per window for the type of window you want to install.

    For example, if you need to replace 10 windows and your budgeted price for each window is $287.50, your estimated budget would be:

    • 10 windows x $287.50/window = $2,875

    Keep in mind that this is a rough estimate. The actual cost may vary depending on factors such as the type of window material, the size of the windows, and whether you need to make any modifications to the window openings. Always consult with local window installers or contractors for accurate pricing in your area.

    Example

    For a typical 1,500 square foot house with 12 windows that need to be replaced with vinyl, double-hung windows:

    • Number of windows: 12
    • Average cost per window: $287.50
    • Total estimated cost: 12 windows x $287.50/window = $3,450

    This gives you a rough budget of $3,450 for replacing the windows in this house.

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