How Much Does It Cost to Enclose a Covered Porch?

The cost to enclose a covered porch ranges widely — from as little as $600 for a basic screen setup to $80,000 or more for a fully insulated, four-season sunroom. Here's a quick breakdown to help you ballpark your budget:

Enclosure TypeTypical Cost RangeScreened-in porch$600 – $5,000Three-season room$8,000 – $46,000Four-season sunroom$25,000 – $80,000

The biggest cost drivers are the type of enclosure, the size of your porch, and how much structural work is already done. A covered porch with an existing roof and solid foundation will cost significantly less to enclose than starting from scratch.

Most homeowners land somewhere between $10,000 and $30,000 for a full porch enclosure project, with the national average sitting around $15,000 to $25,000.

I'm Cody Lafferty, and with over 10 years of hands-on experience in aluminum and screening — from fabrication and installation to full project management — I've helped countless Florida homeowners understand the real cost to enclose a covered porch before they ever break ground. Read on for a full breakdown of what drives those numbers and how to make the most of your investment.

Cost to enclose a covered porch terms you need:

• cost of deck and screened porch
• cost of screened porch on existing deck

Understanding the Average Cost to Enclose a Covered Porch

When we talk about the cost to enclose a covered porch, we have to look at the spectrum of "indoorness." Are you just trying to keep the mosquitos from eating you alive while you drink your morning coffee, or do you want a climate-controlled home office that stays 72 degrees in the middle of a July heatwave?

The national average for a standard enclosure project typically sits between $15,000 and $25,000. However, if you already have a roof and a slab (a "covered porch"), you are ahead of the game. For basic screening, the national average is closer to $1,200, while more complex porch enclosures that involve windows and walls can quickly move into the five-figure range.

According to How Much Does It Cost to Enclose a Porch or Patio?, homeowners should expect to pay roughly $7 to $10 per square foot for materials and between $150 and $200 per square foot for full-service design and construction when creating a room-like space.

Cost to Enclose a Covered Porch by Square Footage

Size is the most obvious factor, but it’s rarely a linear calculation. A small porch requires many of the same fixed costs—like permits and mobilization—as a large one.

• Small Porches (100–150 sq ft): These intimate spaces usually cost between $3,000 and $25,000. If you’re just doing screens, you might spend $1,000 to $2,500.
• Medium Enclosures (150–250 sq ft): This is the "sweet spot" for most Florida homes. Expect to invest $4,500 to $45,000 depending on the enclosure type.
• Large Custom Spaces (250+ sq ft): Large lanais or wrap-around porches can range from $11,000 for high-end screening to $98,000 for a massive four-season addition.

In the Space Coast region, we often see prices ranging from $10 per square foot for basic mesh to $400 per square foot for premium all-season glass rooms.

Estimating the Total Cost to Enclose a Covered Porch by Type

The "Seasonality" of your room is the biggest fork in the road for your wallet.

1. Screened-In Basics: This is the most affordable route. It protects you from pests and debris while allowing maximum airflow. You can learn more about how much to screen in a porch to see how simple mesh and aluminum frames keep costs low—usually between $2,000 and $5,000 for a 200-square-foot space.
2. Three-Season Conversions: These use glass or vinyl windows but lack full insulation and HVAC integration. They are great for Florida winters but can get toasty in August. These average between $10,000 and $40,000.
3. Four-Season Sunrooms: This is essentially a home addition. It involves insulated glass, wall insulation, and tying into your home’s heating and cooling. These projects range from $25,000 to $80,000.

Factors That Influence Your Porch Enclosure Investment

It isn't just the materials you see that cost money; it's the prep work beneath the surface. Before we can hang a single screen or window, we have to ensure the "bones" of your porch are ready for the upgrade.

Structural Requirements and Prep Work

If your porch was originally built just as a slab for a couple of lawn chairs, it might not be rated to hold the weight of glass walls and a heavy frame.

• Foundation Assessment: We look for cracks or settling. If the foundation isn't level, we may need to perform grading or drainage work to ensure water flows away from the new room.
• Demolition: If you have old railings, rotted wood, or outdated screening, that needs to be cleared out first.
• Power Washing: We always recommend a deep clean of the existing structure. Enclosing dirt and grime behind new walls is a recipe for mold.
• Ceiling Height: To be considered "livable space" in many jurisdictions, you need a minimum ceiling height of 8 feet. If your covered porch is lower, structural modifications may be required.

Permits, Engineering, and Local Regulations

Don't let anyone tell you that you don't need a permit. In Brevard County and Indian River County, enclosing a porch is a structural change. According to How Much Does It Cost to Enclose a Porch?, building permits typically cost between $500 and $2,000.

Because we live in a high-wind zone (hello, hurricane season!), any enclosure must be engineered to withstand specific wind loads. This engineering can cost between $1,000 and $2,000 alone, but it ensures your investment doesn't end up in your neighbor's pool during the next big storm.

Comparing Enclosure Types: Screens vs. Sunrooms

Choosing between Screened-In Porches and sunrooms often comes down to how you plan to use the space.

Screened-In Porches: The Budget-Friendly Choice

If you love the Florida breeze but hate the "no-see-ums" and mosquitos, a screened enclosure is your best bet. We use high-grade aluminum framing—which is rust-resistant and perfect for our salty air—and various mesh options.

• Fiberglass Mesh: Affordable and standard.
• Polyester/Pet Screen: More durable if you have four-legged friends.
• No-See-Um Mesh: A tighter weave for those tiny biting gnats common in Melbourne and Vero Beach.

A typical 200-square-foot screen enclosure costs between $2,000 and $5,000. For a deep dive into these numbers, check out our cost to screen in porch complete guide.

Three-Season and Four-Season Sunroom Conversions

If you want to use the room as a TV room or a home gym, you'll likely want glass.

• Three-Season: These use single-pane glass or vinyl. They protect from rain and wind but aren't great at keeping the heat out.
• Four-Season: These use double-pane, Low-E glass and full insulation. By adding a ductless mini-split HVAC system, this becomes a year-round room. While the $15,000 to $80,000 price tag is higher, it adds actual square footage to your home's value.

Breaking Down Material and Labor Expenses

Understanding where your money goes can help you decide where to splurge and where to save.

Material Costs for Enclosing a Porch

Materials usually account for 40% to 50% of the total cost to enclose a covered porch.

• Aluminum Frames: The gold standard in Florida for its durability and low maintenance.
• Screens: Range from $0.15 to $6.50 per square foot depending on the material (fiberglass vs. copper or solar).
• Windows: Basic windows might be $150 each, while high-impact, insulated glass can exceed $1,000 per window.
• Flooring: If you're upgrading from concrete to tile or luxury vinyl plank, budget an extra $5 to $15 per square foot.

Labor and Professional Service Fees

Labor typically makes up 20% to 40% of the project cost. When you hire Porch Enclosure Contractors, you aren't just paying for someone to swing a hammer. You're paying for:

• General Contractors ($50–$150/hr): To manage the timeline and subcontractors.
• Electricians ($75–$150/hr): To add outlets, ceiling fans, or lighting.
• Specialized Installers: To ensure the aluminum and screening are tensioned perfectly.

A simple screen project might take a few days, while a full four-season conversion can take 4 to 8 weeks (plus months of waiting for permit approvals).

Maximizing Value: ROI and Florida-Specific Considerations

In Florida, outdoor living isn't a luxury; it's a way of life. This means that enclosing your porch actually has a higher Return on Investment (ROI) here than in many other parts of the country.

The Florida Lanai: Coastal and Weather Factors

Living in places like Merritt Island, Satellite Beach, or Vero Beach means dealing with salt air. We use specialized powder-coated aluminum to prevent the "white rust" that eats away at cheaper materials.

• Wind-Load Requirements: Our enclosures are designed to meet the strict Florida Building Code for hurricane resistance.
• No-See-Um Mesh: Essential for coastal properties where tiny insects can ruin an evening.
• Temperature Reduction: A good solar screen or tinted glass enclosure can reduce the temperature on your porch by 10 to 15 degrees.

If you are looking for a Porch Company Vero Beach FL, ensure they understand these specific coastal challenges.

Smart Ways to Save on Your Enclosure

We love helping our neighbors save money without sacrificing quality.

• Off-Season Scheduling: If you can wait until the late fall or early winter, you might save 10% to 15% as demand cools down.
• Phased Construction: You can start with a screened-in porch now and design the frame so that glass windows can be added a year or two later.
• DIY Prep: You can save on labor by doing the demolition and cleaning yourself.
• Standard Sizes: Using standard window and door sizes rather than custom shapes can save thousands.

Frequently Asked Questions about Porch Enclosures

Do I need a permit to enclose my existing covered porch?

In almost every case in Florida, yes. Because you are adding walls (even screen walls) to a structure, it affects the wind load and safety of the building. Skipping a permit can lead to fines, trouble selling your home later, or insurance claims being denied after a storm.

How long does it take to complete a porch enclosure project?

The actual construction for a screened porch usually takes 2 to 5 days. A sunroom takes 2 to 6 weeks. However, the "pre-game" (permitting and engineering) can take anywhere from 3 to 6 months depending on how backed up the local building department is.

Is it better to DIY or hire a professional for a porch enclosure?

If you are just replacing a single screen panel, DIY is great. But for a full enclosure, we strongly recommend a pro. A professional ensures the structure is hurricane-compliant, handles the red tape of permitting, and provides a warranty. A DIY mistake on a structural enclosure can end up costing 20% more in repairs than the original pro quote.

Conclusion

Enclosing your porch is one of the best ways to reclaim your outdoor space and add value to your home. Whether you go with a breezy screen enclosure or a luxurious four-season sunroom, understanding the cost to enclose a covered porch helps you plan a project that fits your lifestyle and your wallet.

At Lafferty Aluminum & Screening, we’ve spent over 30 years as a family-owned business serving the Space Coast and Treasure Coast. From Melbourne to Vero Beach, we pride ourselves on quality craftsmanship and making sure our customers are satisfied for decades, not just days.

Ready to stop dreaming and start building? Get a quote for Screened-In Porches today and let us help you create your own slice of Florida paradise!