The cost range of a three-season room is between $10,000 and $40,000 with an average of $25,000. While this is just one type of sunroom (as they vary widely from a simple home addition to a completely insulated four-season room.
A four-season sunroom is an addition to your home that’s fully insulated and often includes plumbing, HVAC and electricity. According to Home Guide, these premium structures cost between $25,000 and $80,000.
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3-Season Room Cost
| 1 | 2 |
|---|---|
| Average Cost | $25,000 |
| Highest Cost | $45,000 |
| Lowest Cost | $11,000 |
4-Season Room Cost
| 1 | 2 |
|---|---|
| Average Cost | $45,000 |
| Highest Cost | $85,000 |
| Lowest Cost | $25,000 |
Sunroom Cost Per Square Foot
On average, sunrooms per square foot can cost anywhere between $75 and $250 for a three-season room, or $220 to $450 for a true four-season room.
You’ll get a closely accurate quote if you ask your contractor to give you a per-square-foot rate, which should also include labor and materials. Always ask to clarify so that you know what is and isn’t included in your quote.
| Square Footage | 3-Season Sunroom | 4-Season Sunroom |
|---|---|---|
| 8 x 8 | $5,120 - $14,720 | $12,800 - $25,600 |
| 10 x 10 | $8,000 - $23,000 | $20,000 - $40,000 |
| 14 x 14 | $15,680 - $45,080 | $39,200 - $78,400 |
| 20 x 20 | $32,000 - $92,000 | $80,000 - $160,000 |
Sunroom Costs by Type
Prefab Sunroom
You can expect to find aluminum or vinyl prefab sunrooms, which will cost slightly less than more traditional options. If you’re interested in a prefab sunroom, expect to pay between $5,500 and $33,000 for installation as well as the kit cost.
Three-Season Sunroom
Three-season sunrooms are fantastic options for lounging during temperate times of the year. While they are less money on average than a four-season sunroom (between $11,000 and $45,000), it’s because they don’t often include insulation, electricity or any type of HVAC control or ventilation.
Four-Season Sunroom
Four-season sunrooms are insulated and usually offer HVAC controls like a thermostat and electrical outlets and wiring. A true four-season sunroom addition can cost you between $25,000 and $85,000 depending on how custom you want your sunroom to be.
Solarium
A solarium is a fully-enclosed glass room connected to your home. As you can imagine, it doesn’t often include insulation, climate control or electrical outlets, but you can treat it as a greenhouse for sun-thirsty plants. On average, expect to pay $30,000 to $80,000 for a full solarium installation.
Conservatory
Conservatories, similar to solariums, are all-glass rooms, but they offer four-season room luxuries like HVAC controls and electricity. Expect to pay anywhere between $50,000 to $155,000 for an elaborate conservatory.
Atrium
Atriums are indoor rooms featuring an all-glass roof. On average, expect to pay anywhere between $7,000 to $25,000 depending on whether you need roof work to incorporate the atrium into your home, size and more.
Sunroom Costs by Type
| Sunroom Type | Sunroom Materials Cost | Sunroom Installation Cost | Total | |||
|---|---|---|---|---|---|---|
| Three-season | $5,000 - $30,000 | $5,000 - $10,000 | $10,000 - $40,000 | |||
| Four-season | $15,000 - $60,000 | $10,000 - $20,000 | $25,000 - $80,000 | |||
| Solarium | $20,000 - $50,000 | $10,000 - $25,000 | $30,000 - $75,000 | |||
| Conservatory | $3,000 - $60,000 | $2,000 - $20,000 | $5,000 - $80,000 | |||
| Atrium | $4,000 - $20,000 | $6,000 - $15,000 | $10,000 - $35,000 | |||
| *all figures courtesy of Home Guide | ||||||
Sunroom Installation Cost
The cost to install a sunroom generally runs about one-half to one-third of the material costs. However, that number rises quickly if your plans include HVAC costs, roofing costs or electrical work costs. That’s why the sunroom installation cost of an atrium is higher in comparison to that of a three-season room, where no HVAC or roofing work is needed.
A good range to expect for sunroom labor cost is between $5,000 and $20,000, depending on how intensive your job will be.
Factors Affecting Sunroom Installation Cost
A sunroom’s cost depends on many factors, including the project’s size, the materials used and the type of sunroom. Like any other home improvement project, setting a universal price is impossible. However, here are some additional things to know that could further affect the cost of your project.
Size of the Room
Your sunroom’s size will directly impact the cost of a sunroom installation project. Generally speaking, larger sunrooms cost more to install than smaller ones in part because they require more materials, labor and time to build. Therefore, when planning and budgeting for your project, keep in mind how much square footage your sunroom will be. On average, a sunroom can cost anywhere from$130 to $330 per square foot.
Quality of Materials
If you’re adding a sunroom to your home, determining the best material for it can be a bit daunting, especially since the quality of your sunroom’s materials will certainly affect the cost and longevity of your project.
For instance, if you’re looking for a low-maintenance and durable sunroom, vinyl is the right choice. Not only is it energy efficient and less expensive than wood, but it is certainly a more cost-effective choice for homeowners on a budget. Also, since vinyl is available in styles and colors, you’ll certainly find the perfect fit for your home.
Wood is an ideal choice if you’re looking for a more traditional look for your sunroom. Although they can be more expensive and require more maintenance than vinyl ones, they may save you money over time on cooling, heating and energy costs since wood is considered a natural insulator.
Type
If you are looking for a serene spot to enjoy the outdoors without being too hot or too cold, a sunroom is a perfect addition to your home. Available in different shapes, sizes and styles, a sunroom’s type directly affects the overall cost. Therefore, it’s important to consider which type of sunroom is best for your home and your budget.
- Atrium sunroom: An atrium with a roof has an open area with a glass ceiling to allow natural sunlight to stream in.
- Conservatories and garden rooms:Usually attached to the home, conservatories and garden rooms typically have large windows for natural light.
- Glass solariums:Entirely built of glass, these types of sunrooms allow you to have wonderful all-around views of your yard.
- Three-season sunrooms:Three-season sunrooms expand your living space and are designed to be able to be used three out of the four seasons. However, they do not have any additional insulation or heating.
- Four-season sunrooms:Unlike three-season sunrooms, four-season sunrooms are typically insulated and equipped with heating and cooling systems in order to allow enjoyment all year round.
DIY Building a Sunroom vs. Hiring a Professional
A sunroom can make a great addition to your home. However, it can typically be costly to build. Therefore, you have two options: hiring a professional or building the sunroom on your own. Although DIY building a sunroom is a much more cost-effective way to go about this project, there are things to consider before you take on this project yourself, such as the time and effort it will take, the materials required and the specific expertise needed. If you do not believe you have the proper skills to build a sunroom on your own, hiring a professional will ensure the job is done efficiently and effectively.
Pros and Cons of Building a Sunroom
If you’re hoping to add a sunroom to your home, chances are you’ve already done your research to determine if it makes sense for you and your needs. However, it’s worth mentioning a few pros and cons of these types of rooms. Of course, each type of sunroom has its own benefits and drawbacks, but there are a few considerations that are shared among these types of rooms.
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THIS IS AN ADVERTIsem*nT AND NOT EDITORIAL CONTENT. Please note that we do receive compensation for any products you buy or sign up to via this advertisem*nt, and that compensation impacts the ranking and placement of any offers listed herein. We do not present information about every offer available. The information and savings numbers depicted above are for demonstration purposes only, and your results may vary.
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Pros of Adding a Sunroom
- Estimates show an average of a 50% return on your sunroom investment when you go to sell your home
- Add visual interest and added living space to your home
- Ideal for year-round planting and gardening
- Add natural light to your home
Cons of Adding a Sunroom
- Not known for their privacy features, since they’re largely made of glass
- Can be more difficult and expensive to control the temperature in the rest of your home
- Property taxes could increase, along with home insurance premiums
To arrive at the average costs in this article, we surveyed a range of local providers and national cost databases. All average figures were correct at the time of publication and may be subject to change.
