How Much Does A Sunroom Cost?

fully furnished sunroom

Why do you want to add a sunroom to your home? It could be for the extra room, the classy feeling that comes with saying you have one, you love warmth and sunlight, or other reasons.

No matter your why, you want a sunroom for the benefits that come with one. It will help to enhance your life!

But, how much does a sunroom cost? The big question that people need to know the answer to before they can commit to having a contractor install one. Homeowners like you need a source they can trust to provide the answer.

This blog post will give you the answers you are looking for. Keep reading to find them!

How Much Does A Sunroom Cost To Build?

It can cost between $150 and $300 per square foot to build a sunroom. The national average cost to build a sunroom is between $30,000 to $40,000. Generally speaking, a sunroom can cost anywhere from $8,000 to $80,000 and more. You can even install a sunroom that goes up to over $100,000.

*These prices are based on national averages and will change due to the below factors.

Factors That Change How Much It Costs To Build A Sunroom


There are several types of sunrooms. They include four-season, three-season, conservatories, glass solariums, atriums, and pre-fabricated. Some of these involve comforts like HVAC, plumbing, and electricity. Others are more basic and only involve windows, walls, and a roof.


larger sunroom with table and chairs

Generally speaking, the larger the sunroom, the more it will cost to build. This is because larger ones need more materials, time, and labor to construct. Additionally, larger sunrooms will often require special permits and inspections.


3D design of sunroom project

If your sunroom is more custom or complex, you may need to hire an architect. This is to make sure your sunroom doesn’t hurt the integrity of your home or its foundation. You’ll want to make sure your home can support your new sunroom or you’ll be fixing damages left and right. At Classic Home Concepts, we will help visualize your project with a 3D design before breaking ground.


The cost of building a sunroom can vary widely depending on the materials used.

For example, using high-end materials like mahogany and marble will be more expensive than using more common materials like aluminum and glass. More additions usually mean more materials as well, adding to the overall cost to build a sunroom.

The foundation material can also affect the cost. A sunroom built on a concrete slab will be more expensive than one built on a wood platform, but the former will also be more durable and require less maintenance over time.


In many cases, permits are necessary in order to make sure that the sunroom meets all the necessary building code requirements.

For example, you may need a permit to make sure your sunroom is properly insulated and that electrical wiring is up to code. The cost of obtaining a permit can range from a few hundred dollars to several thousand dollars, depending on the complexity of the project.

Building a sunroom without a permit can result in costly fines, and it may also void your home insurance. Even if a permit isn’t necessary, you may still need to obtain approval from your homeowner’s association or other governing body. Failure to do so could result in costly delays or even legal action.


men working on sunroom framing

Labor is part of the cost of hiring a contractor to do any home improvement project.

The more labor that needs to happen, the higher the cost will be. Sometimes the labor needs specialization, such as electrical or woodworking, and these specialists add to the cost as they often don’t come with most sunroom installers.

Site Preparation

One of the biggest factors that will affect the cost of your sunroom is how well prepared your site is before construction begins. If the area is easier to build a sunroom on, then it will cost less to build because it’ll take less time and labor to prepare.


If you already have a sturdy foundation and walls in place, it will generally be cheaper to build your sunroom onto that existing structure. However, if you need to pour a new foundation or put up new walls, the cost of construction will go up. This happens when you have a slab foundation instead of a basement or crawl space.


Adding insulation to the walls of your sunroom will make it more comfortable, but this takes more time, labor, and materials to do.


The type of roofing you have will also impact the cost of your sunroom. If you have a shingled roof, your sunroom will be less expensive than if you have a metal roof because shingles are less expensive than metal roofing.


Composite sunroom with large windows

Windows and glass panes, in general, are the main attraction of having a sunroom. The number of windows and panes will change the cost, as will the type of glass. Better glass costs more because of its insulation properties and how durable it is.


What kind of doors do you want for your sunroom? You could have a sliding door, double doors, a single-hinged door, or another type. Different door types have different costs, which can raise or lower how much a sunroom costs.


A sunroom without an HVAC system can be quite uncomfortable in hot weather, as the glass walls will amplify the heat. In cold weather, an unheated sunroom can be very drafty, making it difficult to keep warm.

As a result, a sunroom with an HVAC system will typically cost more to build than one without. However, the added comfort and year-round enjoyment that an HVAC-equipped sunroom provides may be well worth the extra expense.


Electrical work is complex and needs to be done safely, which is why adding it to your sunroom will increase the cost. But, then you can have lights for nighttime, air conditioning, a television, and other comforts.


Having to go to another room to use the bathroom, wash your hands, get water, and more can be annoying. Adding plumbing to your sunroom can get around this frustration, which can make it worth the additional cost.

Clean Up

Your contractor may or may not include cleaning up in their final cost. It’s definitely worth it when you compare it to having to clean everything up and take it to a dumpster.

Trust Classic Home Concepts To Help You Get The Sunroom You’ve Been Dreaming About

exterior of finished sunroom

The cost of your sunroom project will depend on a variety of factors, including the size and complexity of the design, the materials you choose, and the contractor you work with. But at the end of the day, when you finally have the sunroom you’ve been wanting, it’ll all be worth it.

Fill out our contact form today so we can start discussing your sunroom project. We look forward to talking with you!