Casement windows are windows attached to a window frame’s left or right side by one or more hinges. They open and close either inward or outward up to a 90-degree angle. Casement windows cost an average of $400–$2,400* but can fluctuate based on factors such as window size, style, and material. Learn about the factors that impact casement window replacement costs and get tips for finding a professional installer.

*Article cost data via our survey of 1,500 homeowners.

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What are Major Casement Windows Cost Factors?

Casement window prices are primarily affected by the following factors.

• Window size: Casement windows come in many sizes, with larger windows typically costing more. Your window dimensions will also depend on the frame material and manufacturer.
• Casement window type: Casement windows can swing inward or outward and have push or crank opening styles. They also come in different designs, impacting the total installation cost.
• Window frame material: Casement windows come in various materials, each with different price points.
• Brand: Several manufacturers sell casement windows ranging from low to high-end prices.

Casement Window Size

The bigger the casement window, the more expensive the project. Your window dimensions may vary slightly based on the frame material and manufacturer.

For example, most vinyl casement windows are 3.5–35.5 inches wide and 17–73 inches tall. Fiberglass windows are taller than vinyl, reaching 77.5 inches. Wood casement windows that contain aluminum are as tall as vinyl but wider than most other types at 17–59 inches. The biggest casement windows are up to 72 inches wide and 96 inches tall. Most casement window manufacturers offer custom window sizes, but these cost more and the return policy may be different. 

A small 24-by-36-inch casement window costs $262. Higher-end frame, glass, and glazing choices can push the price to $354. Large, high-end casement windows cost $626 for the window alone. Every casement window size has different material selections, which significantly affect the price.

Cost by Size

Casement Window Type

The cost of installing casement windows depends on which type of window you choose. For example, there’s single frame, double frame, egress, and a picture window that contains casement flankers. It costs $224 for a single-frame casement window and up to $800 for a picture window with casement flankers.

Here are different casement window types:

• Single-frame casement window ($224–$370): A single-frame is a basic casement window design consisting of one frame. This type of window opens either inward or outward, depending on the window mounting.
• Double-frame casement window ($445 and $585): Double-frame, or French, casement windows use two panels that open from the middle with no center stile.
• Picture window with casement flankers ($600–$800): A flanker is a window that’s installed on the side of another window. It’s often used to let in more natural light. Picture windows are large and inoperable, but many homeowners add casement flankers to the sides of a picture window for better airflow.
• Egress casement window ($430–$1,300): Egress casement windows are side-hinged and work the same as standard egress windows, except they’re smaller. The primary purpose of an egress window is to allow easy escape in an emergency, so it must be large enough for a person to fit through.

Cost by Type

Casement Window Frame Material

Your chosen window frame material also affects cost.

• Vinyl ($200-$750): Vinyl is the most affordable casement window frame material. This material is known for its durability, simple maintenance, and easy installation. However, vinyl expands and contracts with temperature changes, causing it to warp. Homeowners must also apply a UV-resistant coating to protect color fading.
• Wood ($290-$2,000): Wood is a traditional window frame material chosen for its curb appeal, energy efficiency, and ability to last up to 30 years when maintained properly. Installing wood frames is expensive, with pine being the most affordable, oak and maple being midrange, and teak costing the most.
• Aluminum ($300-$950): Aluminum is durable and can withstand temperature fluctuations, but it corrodes over time and isn’t as energy-efficient as other frame materials.
• Composite ($340-$1,180): Composite is a combination of wood fibers and polyvinyl chloride (PVC) polymers. This material is long-lasting and can mimic the look of stone or metal.
• Fiberglass ($535-$1,575): Fiberglass casement window frames are a new option. This material is durable and energy-efficient but not the easiest to find. Fiberglass fades over time and requires periodic painting.

Cost by Frame Material

Casement Window Brand

Several different window brands manufacture casement windows and even offer Energy Star products. Here are some popular casement window brands.

• Andersen ($348–$984): Andersen offers classic casement windows plus push-out, French, and a made-to-order series. Andersen’s warranties vary depending on the specific window series and components, and some are transferable if you sell your home.
• Jeld-Wen ($262–$625): Jeld-Wen sells casement windows across nine product lines, and homeowners can choose from various wood or vinyl materials. The company’s premier product is custom wood, available in five configurations. Lower-cost and midrange materials are available. Jeld-Wen’s warranties are based on the date purchased.
• Pella ($465–$505): Pella offers wood, vinyl, and fiberglass casement window frame materials, broken down into categories based on their style and quality. Pella offers mid to high-end casement windows with available warranties.

Cost by Brand

Casement Window Labor

How much you pay a professional to install your casement windows depends on the type of window frame material. For example, wood is heavier and takes more time to install, so installing wood frames is more expensive than vinyl. Labor costs also vary by geographic location, with prices typically higher in metropolitan areas.

Labor costs $150–$300 per window, plus an additional $60 to remove and dispose of the existing window frame.

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What Are The Benefits of Casement Windows?

Here are the benefits of professionally installed casement windows.

• Energy efficiency: Casement windows are an energy-efficient window option, especially if they’re triple-pane and insulated with gas fills or coatings.
• Easy cleaning: Casement windows open fully, making the window’s interior and exterior easier to clean.
• Ventilation: Turn the hand crank or push the window open to ventilate your home. The window’s angled design directs the breeze into the home.
• Weather resistance: Casement windows are made of durable, long-lasting materials. Its design, which uses hinges and compression seals, keeps out water and moisture.
• Improved lighting: The expansive glass of casement windows allows for great natural light.

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What Are Additional Casement Windows Cost Factors?

The following factors can also impact your casement window project cost. 

Number of Glass Panes

The more glass window panes in your casement window, the higher the cost. A single-pane window is the least expensive—between $150 and $400—but these aren’t as common due to poor insulation. Double-pane windows cost $150–$600 and have an insulating layer between the panes. Triple-pane windows are the most energy-efficient but cost $400–$950. Homeowners can add a low-emissivity (low-e) glass coating and insulating gas, but this increases the price.

Glass Coatings

Coatings are a clear, microscopic film added to glass for various reasons. A reflective coating ($230–$500) reduces glare and heat transfer and offers additional privacy. A low-e coating ($250–$840) helps keep heat inside your home during winter and outside during summer. Spectrally selective coatings ($350–$850) are a type of low-e coating, but they’re typically used in hotter climates to help keep cooling costs low.

Gas-Filled Windows

A gas fill refers to gas pumped between glass panes to plug “thermal holes” and increase a window’s energy efficiency. Argon gas and krypton are the most common, costing $380–$850 and $530–$1,190, respectively. Argon requires at least half an inch of space between panes, while krypton needs one-fourth an inch of space.

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How To Save on Casement Windows Installation

• Here are some saving tips for your casement window installation.
• Choose stock sizes over custom casement windows.
• Compare estimates from at least three installers to ensure you don’t overpay.
• DIY what you can, but call a professional if you don’t have the proper experience.
• Think long-term and opt for energy-efficient windows. Though more expensive up-front, this can save you on costly utility bills. For example, the U.S. Department of Energy estimates that a low-e coating can reduce energy loss by 30%–50%.
• Check for incentives or rebates for upgrading to energy-efficient windows.
• Plan other home improvement projects, such as exterior updates, around your casement window installation. This can potentially lower professional installation costs.

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Can You Install Casement Windows Yourself?

Homeowners often consider installing windows on their own to cut down on costs, but this comes with risks. Here are some things to consider when deciding whether to hire a professional or tackle the project yourself.

DIY Casement Window Installation

You’ll need the right equipment, supplies, knowledge, and experience to complete do-it-yourself (DIY) window replacement. Window installation involves the following steps:

• Prying out the old frame
• Measuring
• Cutting openings and fitting the new window frame
• Installing the window
• Ensuring the window is sealed properly

Questions To Ask Before DIY Casement Window Installation

Even the slightest mistake, such as inaccurate measurements, can be expensive to fix. Poor installation can lead to moisture and mold within the home. Here are other important considerations before beginning:

• What’s the cost of DIY? You’ll need a power drill, circular saw, level, and caulking gun at the very least. The drill and circular saw cost $40–$100 per item. While it’s cheaper than paying a professional, these tools are dangerous to use.
• How will you move the materials? If you’re picking the materials up, will it fit in your vehicle? Will you have to rent a truck? How far will you need to drive? Renting a small truck costs $20–$30 per day. A midsize or large truck costs $40–$100 per day. Shipping is possible but can be very expensive.
• How long will it take you to replace your windows? You can’t leave a hole in your house for several days. If you can’t get the job done quickly, you might have to hire a professional.
• Do you have enough help? You’ll need help to lift the window into the frame and nail the frame into the wall. This may not be a one-person job.

Professional Casement Window Installation

A professional window installer will have all the necessary tools and equipment to complete the job quickly. The installer will measure and fit the window, ensure it’s level, and create a watertight seal using putty or glazing. 

Here are several advantages to hiring a professional casement window installer:

• Knows how to create a watertight seal to avoid mold and moisture damage
• Helps with window placement in the house
• Avoids building code violations
• Aware of any necessary permits
• Has the experience to do a custom or complex window installation
• May provide warranties or guarantees on their work

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How To Hire a Professional Window Installer?

Here are some steps to take when deciding between window installation companies.

• Get a quote from at least three window companies.
• Ask the window installer if everyone performing the work is licensed, bonded, and insured.
• Get cost estimates, guarantees, and warranties in writing.
• Ask for references of previous work.
• Check online customer reviews and complaints on Yelp, Google Reviews, and the Better Business Bureau (BBB).
• Ask about discounts or rebates.

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Are Casement Window Worth It?

Unless you have prior experience installing windows, we recommend hiring a reputable casement window installer instead of attempting a DIY window replacement or installation. DIY window installation doesn’t guarantee cost savings—especially if it leads to energy leaks—and there are better ways to reduce casement window costs.

Research and get quotes from several local contractors to pick the right casement window installer for the job.

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FAQs About Casement Windows

What is the average cost to install casement windows?

The average cost to install casement windows is between $600 and $1,400 per window. Your casement window’s style, materials, and labor all affect its price. Double- or triple-glass panes, gas fills, and coatings also increase costs.

Are casement windows worth it?

Casement windows are worth it due to their energy efficiency, easy cleanup, and amount of light they let in. The opened sash helps direct airflow into your home, improving ventilation. Gas fills or special coatings offer privacy and help lower your home’s heating and cooling costs.

What are the disadvantages of casement windows?

Casement windows require double-glazing, which increases their weight. This means installation often takes longer and costs more than standard windows. Casement windows are also a possible target for break-ins. Rusty or faulty hinges make them easier to open from the outside. If bugs are a problem in your area, you’ll need to install screens on the inside of the sash. This can impact the desired aesthetic.

Are casement windows more expensive than fixed?

Casement windows are more expensive than standard windows or fixed picture windows. A fixed window doesn’t open or close and doesn’t require maintenance or hardware to operate properly. A picture window that contains casement flankers is an option. This costs $600–$800 per window.

How do casement windows work?

Casement windows have a turn crank to open and close inward or outward like a door using hinges. Encasement windows have a sash that contains the glass panes, a cam lock that secures the window, a keeper that holds the cam lock, side hinges on the casement window, and a handle to open and close the window.

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Our Rating Methodology

We back up our window ratings and recommendations with a detailed rating methodology to objectively score each provider. We conduct research by speaking with company representatives, browsing product selections, analyzing window line specifications, and conducting focus groups and consumer surveys. We then score each provider against our review standards for window variety, value, trustworthiness and transparency, window features, and customer service to arrive at a final score on a 5-point rating scale. 

To share feedback or ask a question about this article, send a note to our Reviews Team at reviews@thisoldhousereviews.com.