How Much Should a Sunroom Cost? (2022)

What homeowner doesn’t dream of having a sunny spot to kick back and relax, all while being within feet of conveniences like their kitchen and bathroom? A sunroom provides all that and much more. It’s a great place for gathering, for enjoying the outdoors without being bothered by the elements and even for growing plants indoors. But the average sunroom cost can be prohibitive for some homeowners.

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With that in mind, there are options for individuals who want to enjoy the benefits of a sunroom, but are working with a tighter budget. Here is everything you need to know about sunroom costs and what to look for.

How Much Does a Sunroom Cost?

Sunrooms vary from a simple, prefabricated add-on, to a fully insulated addition to your home in the form of a four-season room. The two main types of sunrooms are three-season and four-season. A three-season sunroom is a fully attached structure with access to your existing home, but without insulation. The average three-season room will cost between $10,000 and $40,000.

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.

3-Season Room Cost

12
Average Cost$25,000
Highest Cost$40,000
Lowest Cost$10,000

4-Season Room Cost

12
Average Cost$45,000
Highest Cost$80,000
Lowest Cost$15,000

Sunroom Cost Per Square Foot

Most contractors will quote you a price that’s based on the square footage of the sunroom you’re hoping to install. This price will likely include both labor and materials, but it’s a good idea to clarify exactly what’s included before getting started.

The average sunroom cost per square foot is $80 to $230 for a three-season room, and upwards of $200 to $400 for a four-season room. The table below will give you an idea of possible sunroom prices by square footage.

Sunroom Cost per Square Foot

Square Footage3-Season Sunroom4-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

There are several different types of sunrooms to decide between when considering adding a sunny spot to your home. We’ll break down each type below, including costs for each.

Prefab Sunroom

Most prefab sunrooms are made of aluminum or vinyl. For the most part, these sunrooms cost a bit less than traditional ones, and are ready to assemble as soon as they reach your home. If you choose a prefab sunroom, the installation costs combined with the cost of the kit itself could be between $5,000 and $30,000.

Solarium

A solarium is an all-glass enclosure that’s affixed to your home. It offers no climate control or insulation, but makes a great place for plants to thrive year-round. The average solarium price ranges from $30,000 to $75,000.

Three-Season Sunroom

A three-season sunroom is often a comfortable place to hang out anytime except for winter. These types of rooms lack insulation, electricity and HVAC controls. You’ll save money by choosing a three-season room over a four-season room, with the average three-season room costing, without heating and cooling, between $10,000 and $40,000.

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Four-Season Sunroom

Of all the different types of sunrooms, a four-season room is the closest to a full, conventional home addition. These rooms are often open to the rest of your home, rather than having to gain access through a single door, which is a common feature in three-season rooms. Additionally, a four-season room may have its own thermostat and electrical wiring. A luxurious addition like a four-season sunroom typically costs between $25,000 and $80,000.

Conservatory

A conservatory is similar to a solarium, in that it’s often an all-glass enclosure. However, these rooms are more similar to a four-season room in nature, since they’re often temperature-controlled and have electricity. The average cost of a conservatory can range from $50,000 to $150,000.

Atrium

An atrium is an attractive indoor space with a glass roof. The average price of an atrium will vary based on how extensive the roof work needs to be, but expect a range from $6,000 to $20,000.

Sunroom Costs by Type

Sunroom TypeSunroom Materials CostSunroom Installation CostTotal
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.

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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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

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Frequently Asked Questions (FAQs)

Should I add a sunroom to my home?

Sunrooms add a great deal of aesthetic and financial value to a home. The first thing you will need to consider, if you’re thinking about adding a sunroom, is what permits and approvals you might need.

In just about every case, you’ll need a permit from your city in order to begin work on your sunroom. But if you live in a community with a HOA, you’ll need approval from them, too. Other things to consider, when it comes to the decision of whether or not to add a sunroom, are the size and orientation of your home, whether there’s a logical place to build or append your sunroom and whether your budget can support the type of sunroom you’d like to build.

Can you have a sunroom if you live in a cold climate?

Just about any climate can support a sunroom. But if you live in a far northern climate, remember that a sunroom that’s not temperature controlled can end up making your home even more difficult to heat, if not properly planned for.

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If you’re hoping to build a three-season room onto your home in a cold climate, consider adding a closing or sliding door as the only entry point. This will allow you to close off the room in the wintertime. A four-season sunroom may be your best option if you’re hoping to enjoy your sunroom all year long.

FAQs

How much does it cost to put on a sunroom? ›

Nationwide, homeowners typically spend between $27,000 and $58,000. The national average cost of a sunroom is about $42,500 for materials and labor. You should expect to pay a contractor $130 to $330 per square foot to build you a new sunroom, or about $230 per square foot on average.

Is having a sunroom worth it? ›

While the average return on your investment of a custom sunroom is about 60 percent, some real estate experts estimate your return could reach nearly 80 percent, depending on the features and materials you use. Add value to your home by increasing the square footage of your living space.

What is a good sunroom size? ›

An 18-by-18-foot space should be roomy enough for a large couch, recliner, armchair, coffee table, television stand, and an end table. These dimensions are also a good fit for 42-inch television screens. For bigger screens, consider an 18-by-20-foot room or larger.

How much is a small sunroom? ›

You can expect to pay between $80 and $230 per square foot for a three-season room and $200 to $400 per square foot for a four-season room. Taking $300 as the average per-square-foot cost of a sunroom that can be used year-round, the average cost of a four-season 12x12 sunroom is about $43,000.

Why are sunrooms so expensive? ›

Four-season sunrooms will factor in the cost of insulation, electricity and HVAC connections — and they may also include the price of a foundation if one is necessary. All types of sunrooms require professional labor and tools, which homeowners should consider in the overall price of the room.

How much does a 10x10 sunroom cost? ›

$5,000 - $8,000

Do sunrooms increase the value of your home? ›

Buyers Value Sunrooms – Reap the Benefits

When you place your home on the market after installing a sunroom, you'll find that your home gets more attention than comparable homes without a sunroom. By increasing the living space of your home, you make its overall value go up proportionally, typically by around 4 – 6%.

Can I put the laundry in the sunroom? ›

DON'T put your machines into sunrooms or additions that aren't heated. Unless a heat source is added when the washer is installed you can run the risk of frozen pipes and all the damage that can come with them.

Do sunrooms count as square footage? ›

Sunrooms usually don't get included in a home's square footage total, which appraisers use to help determine home values. But a full-room addition will add square footage to your home and has a higher return on investment. A sunroom's cost vs. value of a sunroom addition dropped below 50% in 2015.

How much is a 20x20 sunroom? ›

Sunroom Cost per Square Foot
Square Footage3-Season Sunroom4-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
25 Jul 2022

Is a 4 season sunroom worth it? ›

Four-season sunrooms have enough insulation to keep you warm and comfortable all year round. These sunrooms have higher thermal resistance and thicker insulation, which means they can keep cold and hot temperatures outside. They tend to be made of stronger materials and have double-pane high-efficiency glass windows.

How cheap can you build a sunroom? ›

In general, standard sunroom construction costs about $120 per square foot and a high-end sunroom construction will be about $300 per square foot, says David Steckel, a home expert with the San Francisco, California-based home services website Thumbtack.

What is the difference between a 3 season room and a 4 season room? ›

The biggest difference between these two types of season rooms is the level of usage you will experience. A four-season room can be utilized all year long, while a three-season room does not have the same capacity to be heated and cooled and is, therefore, not usable space in too warm and too cold of climates.

Can a sunroom be built on a concrete patio? ›

It is possible to build a sunroom on an existing concrete patio, though there are some important considerations to keep in mind when doing so. These include ensuring that your patio is strong and level enough to support the weight of your sunroom, as well as verifying that your structure has proper drainage in place.

Is it cheaper to add a sunroom or an addition? ›

Cost: Versus standard room additions, sunrooms simply cost less. Unless the sunroom is very large and has many high-end features, a standard all-season sunroom can cost thousands of dollars less than a room addition.

What is the difference between a sunroom and a Florida room? ›

Florida Room vs Lanai

A Florida room is an enclosed room within the house, mostly towards the rear, with many windows to let in daylight and sunshine. Florida rooms are also called sunrooms. A lanai is a term frequently used in Hawaii to describe a specific type of porch.

What's the difference between a sunroom and a Four seasons room? ›

A sunroom is an all-encompassing term that refers to a screen room, three season room, four season room or solarium, simply put, it's a room with abundant natural light and access to the outdoors If you're looking for a sunroom addition that you can use spring through fall, a three season room might be the right choice ...

How long does it take to build a sunroom? ›

How Long Does It Take to Build a Sunroom? While sunrooms are a straightforward construction project that takes less time to complete than several alternative home improvement projects, homeowners should still anticipate up to 12 weeks for proper installation.

Can a sunroom be built on a deck? ›

Building a sunroom on a raised deck is fairly straightforward and typically only involves adding a roof and sides to form an enclosed structure around the space. Wraparound: Most wraparound decks are built at the same height as the main entrance to the house, making it easy to turn one into a sunroom.

How much value does a 3 season room add? ›

The Return on Investment of Adding a Sunroom to Your Home

Adding a sunroom to your home is an investment, but it's an asset that is worth your hard-earned money. According to thenest.com, sunrooms hold around 72 percent return in resale value, which significantly adds value to your home.

How much does it cost to turn a deck into a 4 season room? ›

A four-season sunroom costs $200 to $400 per square foot or from $20,000 to $80,000 to add on average, depending on the size, materials, finishings, and foundation. An all-season or 4-season room is integrated into the existing construction of the home to provide an extension of living space.

How much does it cost to convert a deck into a sunroom? ›

How Much Does It Cost to Convert a Deck Into a Sunroom? From Pergolas to all glass Sunrooms, projects can vary greatly in cost, starting as low as $12,000 and going as high as $100,000. The cost will depend on the sunroom's style and intended use.

Does a three season room count as square footage? ›

They can shield you from outdoor elements such as rain, wind, sun and insects, but 3-season porches are not heated. Therefore, it is not a part of finished square footage, but is considered an enclosed space.

What do people do in a sunroom? ›

Sunroom: A sunroom is a room primarily meant for lounging. With glass windows and skylights, sunrooms emulate the feeling of being outside while being indoors. You can grow potted plants and some fruits or vegetables in a sunroom, but this space is still a part of a house and, as such, is meant for living in.

What direction should a sunroom face? ›

Follow the Sun

For the majority of homeowners, sunrooms on the south side of the home will provide better heat and light throughout the year. South-facing rooms will absorb more heat and light, even in colder winter months, and many homeowners prefer the extra warmth these rooms provide.

What's the point of a sunroom? ›

Sunrooms, filled with sunlight and cozy patio furniture, are the ideal spot to unwind with a beverage and a good book. These transitional spaces connect your home with the outdoors while protecting you from the elements, allowing you to enjoy the best of indoor and outdoor living at the same time.

Can you sleep in a sunroom? ›

Sunrooms can create a charming and livable bedroom space, but they significantly differ from standard lodgings. To turn your sunroom into a bedroom, you can optimize your space by keeping a variety of crucial elements in mind when making furnishing and decorating decisions.

What makes a sunroom 4 seasons? ›

A four season room is a type of sunroom enclosed with glass, which allows for breathtaking floor-to-ceiling views of the outdoors. The roof and frames of these sunrooms are thermally engineered so that the room can be heated and cooled year-round, making it a true extension of your home.

Is a sunroom considered a porch? ›

An enclosed porch is a roof-covered, screened-in room that's open to the elements. Whereas a sunroom is built with four walls, enclosed porches often have screens on either side that allow fresh air into the room. Advantages include: Good for entertaining guests, hosting parties, outdoor barbecues.

How much does it cost to build a 12x12 screened in porch? ›

How much does a 12 x 12 screened in porch cost? Since most screened in porches cost between 140 and 165 dollars per square foot, a 12 x 12 porch would likely cost between $20,000 and $24,000.

What is a 3 season room? ›

Three season rooms are additions built onto houses enclosed with glass. The purpose of these enclosures is to create a relaxing environment with floor-to-ceiling windows to experience the natural environment surrounding its occupants while keeping them protected from harsh climates and pests.

What is the difference between a sunroom and a conservatory? ›

Conservatories vs Sunrooms

Admittedly, there are similarities between them in appearance, but they utilise contrasting roofing systems for starters – a conservatory typically has a glass or polycarbonate roof, while a sunroom usually comes with a solid tile or slate roof.

Which is better screened in porch or sunroom? ›

If you want a space to keep house plants year-round, a screened porch isn't it. A sunroom is the better option for keeping plants — and people — comfortable in the winter.

What is the difference between a sunroom and a solarium? ›

A solarium is a type of sunroom addition that is made completely out of glass, including the walls and roof. Solariums can be heated and cooled with an individual room heating and cooling unit, giving you year-round use of your new space.

What is a Florida room? ›

So, What is a Florida Room? In simple terms, the Florida room is a residential amenity living space addition built onto a home's back or side wall with a roof. This addition to the home gets its name from its popularity in Florida.

What is the cheapest way to heat a sunroom? ›

What is the Most Economical Way to Heat a Sunroom? A ductless mini-split mounted on the wall can efficiently add heat and air conditioning to a room. Ideal for areas of the home where there is no ductwork, this is a much safer option than a space heater and can be left on when unattended keeping the room warm.

How do you vent a sunroom? ›

You can also increase the airflow through the living space in your sunroom by placing fans near the floor. They will blow the hot air up toward the vents and allow it to escape. Fans will also keep air moving so heat does not linger in the living space. Use window tinting to block solar gain.

Should I insulate my sunroom? ›

Sunrooms benefit from warm solar gain throughout the warmer months, but from November through March, you might need a little help to keep cold air from getting in. Sunroom insulation doesn't just benefit you by keeping you cozy; it also makes the room more energy-efficient and should save you money on energy bills.

What material is used for sunrooms? ›

Today, the most popular materials for sunroom construction are wood, vinyl, and aluminum. Which one is the best choice for your sunroom will depend on your budget, your location, and your aesthetic preferences. Wood has long been and continues to be a popular material choice for sunrooms.

How much do sunroom windows cost? ›

Sunroom windows cost anywhere from $2,000 to $11,000 for an average project with 10 new or replacement windows, as well as the professional installation that's required. Get project pricing on Sunroom additions for three distinct price points for the windows themselves, the installation and the completed project cost.

What kind of furniture do you put in a 3 season room? ›

Traditional porch furniture like wicker chairs sporting soft seat cushions work well in a space dedicated to relaxation and conversation. Add a wicker sofa and dining table and chairs, and you have a gathering place for casual meals and family game nights.

Why is it called a 3 season porch? ›

A three season room is designed for use in spring, summer and fall but cannot be utilized in the winter due to the fact that it is not connected to your home's HVAC system which prevents its temperature from being regulated.

Does a sunroom need a foundation? ›

Generally, you will need a proper building foundation for your site-built sunroom, although some lightweight prefab sunroom kits can sometimes be assembled onto existing patio slabs or decks.

How do you enclose a patio cheaply? ›

For patios that do not have a built-in roof, prefabricated canvas-covered gazebos and canopies are good options. This is one of the cheapest ways to enclose a patio. They are built with metal frames that hold the canvas stretched above the patio.

Can you turn a covered porch into a sunroom? ›

If your home already features a screened-in porch room, then converting your space into a four seasons room with glass panels is fast and simple. For many homes, most sunroom conversions can only accommodate a three-season room that you can enjoy during spring, summer and fall.

Is a sunroom cheaper than an extension? ›

Pros: Cost: Versus standard room additions, sunrooms simply cost less. Unless the sunroom is very large and has many high-end features, a standard all-season sunroom can cost thousands of dollars less than a room addition.

How much does a 16x16 sunroom cost? ›

Sunroom Cost
Size3-Season4-Season
12x20$19,000 – $55,000$48,000 – $79,000
14x14$15,500 – $45,000$39,000 – $65,000
16x16$20,000 – $60,000$50,000 – $80,000
16x24$30,000 – $85,000$75,000 – $120,000
8 more rows

How much are sunrooms UK? ›

Most sunroom prices fall into the range of £10,000 - £80,000. However, the amount you actually pay will be impacted by the following factors: Materials used: Glass, aluminium, brick and UPVC, the materials used to make your sunroom are all priced differently.

How much does it cost to build a 20x20 sunroom? ›

Sunroom Cost per Square Foot
Square Footage3-Season Sunroom4-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
25 Jul 2022

Do sunrooms add value to your home? ›

A Sunroom Will Increase Your Home's Square Footage

It can either be built from scratch, or it can be added by converting a patio or porch. By increasing the square footage of your home's “livable” space, a sunroom will increase home value.

Is a 4 season sunroom worth it? ›

Four-season sunrooms have enough insulation to keep you warm and comfortable all year round. These sunrooms have higher thermal resistance and thicker insulation, which means they can keep cold and hot temperatures outside. They tend to be made of stronger materials and have double-pane high-efficiency glass windows.

How cheap can you build a sunroom? ›

In general, standard sunroom construction costs about $120 per square foot and a high-end sunroom construction will be about $300 per square foot, says David Steckel, a home expert with the San Francisco, California-based home services website Thumbtack.

Are prefab sunrooms worth it? ›

We always recommend prefabrication when building a sunroom. Prefab sunrooms are more reliable and efficient compared to aluminum construction and DIY options, and they are put together quicker and more consciously than stick-built sunrooms.

What is the difference between a 3 season room and a 4 season room? ›

The biggest difference between these two types of season rooms is the level of usage you will experience. A four-season room can be utilized all year long, while a three-season room does not have the same capacity to be heated and cooled and is, therefore, not usable space in too warm and too cold of climates.

What is the cheapest way to heat a sunroom? ›

What is the Most Economical Way to Heat a Sunroom? A ductless mini-split mounted on the wall can efficiently add heat and air conditioning to a room. Ideal for areas of the home where there is no ductwork, this is a much safer option than a space heater and can be left on when unattended keeping the room warm.

Can I put the laundry in the sunroom? ›

DON'T put your machines into sunrooms or additions that aren't heated. Unless a heat source is added when the washer is installed you can run the risk of frozen pipes and all the damage that can come with them.

How do you vent a sunroom? ›

You can also increase the airflow through the living space in your sunroom by placing fans near the floor. They will blow the hot air up toward the vents and allow it to escape. Fans will also keep air moving so heat does not linger in the living space. Use window tinting to block solar gain.

How long does a sunroom last? ›

Sunroom Lifespans

That can be anywhere from 10 years through to 50 or even more. While this doesn't mean that you're entitled to upgrades or new technologies, it does mean that if there are any issues with your sunroom in that time, they will be put right at no extra cost to you.

How long does it take to build a sunroom? ›

How Long Does It Take to Build a Sunroom? While sunrooms are a straightforward construction project that takes less time to complete than several alternative home improvement projects, homeowners should still anticipate up to 12 weeks for proper installation.

Are sunrooms expensive? ›

Average Sunroom Costs

Standard sunroom construction costs about $120 per square foot. The cost will be about $300 per square foot for a high-end sunroom. A standard three-season sunroom (a room without insulation) will run between $15,000 and $40,000.

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