How Much Does a Bay Window Cost?
Wondering how much a bay window will cost you? Whether you want to enhance your home’s aesthetics, increase its value, or add interior space, understanding the expenses involved is crucial.
A bay window typically costs between $950 and $7,500, with the average homeowner spending about $2,500 per window. The final price depends on factors like the window’s type and size, the frame material, the brand, and labor costs.
In this guide, we’ll cover everything you need to know about the cost of bay windows. We’ll help you budget effectively, avoid unexpected surprises, and even share some smart money-saving tips!
What Are The Factors That Affect The Cost Of A Bay Window?
Size
Typically, bay window panes are about 3 feet wide, though the height can vary depending on the type and style.
Here are the estimated cost calculations for bay windows based on average sizes.
| Window Size | Average Price for Bay Window |
|---|---|
| 4 feet x 3 feet | $400 - $1,000 |
| 6 feet x 3 feet | $500 - $2,000 |
| 8 feet x 3 feet | $550 - $2,500 |
| 10 feet x 3 feet | $900 - $4,000 |
Bay Window Type
The type of bay window affects the price. For example, box bay windows are the cheapest and easiest to install, while bow windows are the most expensive due to their weight and installation difficulty.
| Window Type | Cost Range | Description |
|---|---|---|
| Box Bay Windows | $750 - $1,200 | Small, square windows, which can be fixed or openable. |
| Canted Bay Windows (also called “full bay windows”) | $1,050 - $2,800 | Three windows with the middle one angled at 30 or 45 degrees. |
| Oriel Windows | $1,125 - $3,250 | Fancy windows that stick out from the wall, often with decorative carvings. |
| Circled Bay Windows | $1,800 - $3,200 | Forms a half-circle shape, often with decorative trim and moldings for a stylish look. |
| Bow Windows | $1,600 - $4,800 | Curved window design that brings in light from different angles, similar to a series of picture windows. |
Brand
Brands offer bow windows in various materials, sizes, styles, and customization options. Prices vary, with well-known brands typically costing more than local manufacturers.
According to Statista, the top window and patio door retailers in the US by customer satisfaction in 2023 were Lowe’s, Renewal by Andersen, The Home Depot, and Window World, in that order.
Nevertheless, here are some window brands along with their pricing.
| Window Brand | Cost per Window |
|---|---|
| Simonton | $695 - $1,700 |
| Milgard | $795 - $1,600 |
| Harvey | $850 - $1,900 |
| Pella | $895 - $1,800 |
| Andersen | $895 - $1,900 |
Window Frame Material
When budgeting for your bay window, you need to consider the type of frame material you will be investing in, as each material has different price points.
Here are the prices for the most common window frame materials.
| Frame Material | Estimated Price Range |
|---|---|
| Aluminum | $375 - $1,800 |
| Fiberglass | $500 - $2,800 |
| Vinyl | $600 - $2,800 |
| Wood | $850 - $3,800 |
| Steel | $2,000 - $6,800 |
Aluminum
Fiberglass
Fiberglass is energy-efficient, sturdy, and holds up well in humidity, preventing it from needing extra support. This makes it relatively low maintenance.
Vinyl
Wood
Steel
Bay Roof Addition
If your house’s roof extends over your bay window, great! If not, you’ll need to install a roof to protect it from rain and snow, ensuring durability.
You’ll need to hire a roofing contractor for this task. Besides labor costs, you’ll also need to pay for roofing materials, and the choice of material will influence the overall cost.
For instance, a copper roof is durable and attractive but costly, while asphalt shingles are cheaper and versatile but less durable and appealing.
Labor and Permits
Labor accounts for 40% to 60% of bay window installation costs due to their size and complexity. Installers may need extra help, especially for higher floors, which increases costs due to the need for special equipment.
Additional costs may arise from adding a roof over the bay window, repairing siding, and painting.
Be sure to check your local city and county regulations for permits, which typically range from $50 to $200, for legal permissions to alter your home’s structure.
Either your installers will handle the paperwork, or you will need to do it yourself.
What Other Factors Influence the Cost of a Bay Window?
New vs. Replacement Bay Windows
Whether installing bay windows for the first time or replacing existing ones, costs vary. New installations are expensive as contractors may need to cut a hole and move load-bearing walls to accommodate the new structure.
In contrast, replacing existing bay windows is relatively cheaper, assuming the frame and wall system are in good condition.
For those considering updating their windows, replacement bay window prices typically range between $2,250 and $2,500, including both materials and labor.
Energy Efficiency Upgrades
According to the Department of Energy, heat gain and loss through windows account for 25% to 30% of a home's heating and cooling energy use.
In hot climates, bay windows can increase summer heat and energy bills. While energy-efficient glass costs more upfront, it saves money long-term.
Triple-layered glass with a low-emissivity (low-e) coating ensures minimal heat enters your home in the summer and reduces heat loss in the winter.
Clean-up and Disposal
If you’re replacing a window, you'll need to handle the mess from removing the old one.
Contractors usually include clean-up and disposal costs in the project.
However, if you prefer to handle the clean-up and disposal yourself, you might need to rent a truck to haul the materials away.
Functionality
How you want your bay window to function can also affect the overall cost.v
Typically, a bay window has a fixed center window (which can also be operable) and two side windows that can be fixed, hung, or casement.
For more air circulation, operable side windows are an option but will cost more.
Structural Work
When removing an old window, structural issues may arise if the frame and wall aren't in good shape.
This means you'll need to repair them before installing your new window, costing a few hundred dollars for minor fixes and a few thousand for major issues.
Delivery Fees
Since bay windows are large and heavy, you might need to hire a delivery service to ensure they arrive safely without damage.
If the window is from a distant manufacturer, delivery costs will be higher, so factor this in.
Additional Decoration
Many homeowners use bay window nooks as cozy reading spots, dining areas, or workspaces. Make sure you plan for additional costs like decorations, furniture, and privacy options like blinds or curtains.
Bay vs. Bow Windows
Although bay and bow windows may sound similar since they both protrude outward, they differ in structure and design.
Here’s a quick breakdown of their differences to help you make an informed decision when installing or purchasing a window frame:
| Category | Bay Windows | Bow Windows |
|---|---|---|
| Design and Structure | Three panels, angular look | Four or more panels, smooth curved look |
| Space Requirements | Suitable for smaller rooms | Suitable for larger rooms |
| Ventilation and Light | Good ventilation and natural light | Superior views and enhanced natural light |
| Cost and Installation | Less expensive, easier to install | More costly, complex installation |
Design and Structure
Bay windows typically have three panels – a fixed center window and two operable side windows, creating a more angular look.
On the other hand, bow windows consist of four or more windows, forming a gentle curve like an archery bow.
Space Requirements
Since bay windows don’t require much horizontal space, they are suitable for smaller rooms like cozy living areas or breakfast nooks.
However, bow windows need more wall space, making them ideal for larger living rooms and dining rooms.
Ventilation and Light
Cost and Installation
What are the Pros and Cons of Bay Windows?
Pros of Bay Windows
Cons of Bay Windows
Should You DIY or Hire a Professional for Installing Bay Windows?
While you can save 40-60% on labor by installing bay windows yourself, the process is complex and challenging for DIYers.
Bay window installation requires skill and experience. Mistakes can affect performance, energy efficiency, and aesthetics, leading to costly fixes, air leaks, water damage, or structural issues. Handling large windows and tools is dangerous, posing risks of injury from broken glass or falls.
Successful DIY installation requires expertise in window installation, carpentry, insulation, drywall, and possibly roofing.
Therefore, we recommend hiring a professional for bay window installation. Professionals have the experience and tools to ensure correct and efficient work. Plus, professional installations often come with warranties, providing peace of mind and protection against future issues.
You can still save money by handling preparatory tasks like removing old windows or preparing the site, balancing cost savings with quality installation.
Questions to Ask Related to Bay Window Cost
When considering the cost of installing or replacing a bay window, it’s important to ask several key questions from your window installer/contractor to ensure you get an accurate estimate and the best value for your investment.
Here are some important questions to ask:
Expert Tips for Saving Money on Bay Window Installation
Here are some expert tips for you to save money when installing a bay window:
Conclusion
A bay window can cost you anywhere between $950 and $7,500. What you end up paying depends on the size and type of window, the frame material, the brand, whether it’s a replacement or a new installation, and labor cost.
Labor can make up 40-60% of the total cost, but hiring a professional is worth it for the long-term value. You can use our Homebuddy tool to find expert and trusted bay window installers near you and quickly get started!
Frequently Asked Questions
- Yes, bay windows can add value to a home by increasing natural light, enhancing aesthetic appeal, and providing additional space and ventilation. They can also boost market value and energy efficiency.
- Yes, bay windows can add square footage to a home. They protrude outward from the main walls, creating additional floor space inside the room. This extra space can be used for seating, storage, or simply to enhance the room’s look and functionality.
- You typically need planning permission to add a new bay window, as it is treated as an extension. If replacing an existing bay window, permission is generally not required. Always check with your local planning authority, especially for installations at the front of the house or in conservation areas.
- The most common type of bay window is the canted bay window. It features a flat front with angled sides and is typically found on the first level of homes and buildings.
- Bay windows are not outdated. They have regained popularity in recent years due to their ability to add natural light, improve home aesthetics, and create additional interior space.
- Yes, it’s possible to swap a regular window for a bay window. This process typically involves enlarging the existing window opening and ensuring the home’s structure can support the bay window’s weight.
