Florida homeowners have more outdoor living options than anywhere else in the country — and more confusion about which is which. Sunroom, lanai, and patio enclosure are three distinct products with different costs, use cases, and permitting requirements.
What Is a Lanai?
In Florida, a “lanai” is a covered, screened outdoor space — typically at grade level on a concrete slab — attached to the back of the home. It has a solid roof (matching the home’s roofline or a separate aluminum panel roof), aluminum-framed screen panels, and sits on an existing or new concrete slab. Lanais are comfortable year-round in Florida’s climate without HVAC. Learn about our lanai and patio enclosure service.
What Is a Patio Enclosure?
The terms “lanai” and “patio enclosure” are often interchangeable. A patio enclosure converts an open patio into a screened or glass-enclosed room. Variants include screened patio enclosures (screen panels only) and glass/EZE-Breeze enclosures (vinyl or polycarbonate window panels that slide or fold). Glass-panel enclosures occupy the middle ground between a screened lanai and a true sunroom.
What Is a Sunroom?
A sunroom is a fully enclosed room addition with fixed glass walls and a glass or solid roof. Unlike a lanai, a sunroom requires a building permit as a structural addition, may be climate-controlled, typically increases the home’s conditioned square footage, and has a foundation built to residential construction standards. A sunroom is a room — a lanai is an outdoor space. See our sunroom installation service.
Cost Comparison
- Screened lanai/patio enclosure: $4,000–$12,000
- Glass/EZE-Breeze patio enclosure: $8,000–$20,000
- Sunroom (three-season, no HVAC): $15,000–$35,000
- Sunroom (four-season, with HVAC): $25,000–$60,000+
Permits in Tampa Bay
In Hillsborough, Pinellas, and Pasco counties, building permits are required for screened lanais/patio enclosures, glass enclosures, and sunrooms. Never skip permits — unpermitted additions create problems at resale and may void homeowners insurance coverage.
Which Is Right for You?
Choose a Screened Lanai If:
- You want outdoor living space without AC expense
- Your budget is under $15,000
- You plan to use the space primarily for entertaining or casual seating
Choose a Sunroom If:
- You want a fully conditioned room that adds square footage
- You need year-round usability regardless of weather
- You plan to use the space as an office, gym, or regular living area
Frequently Asked Questions
Does a sunroom add value to a home in Florida?
Yes. A properly permitted sunroom typically adds 40–60% of its construction cost to the home’s appraised value — often $20,000–$40,000 in the Tampa Bay market.
Can I convert my lanai into a sunroom later?
Often, yes. A screened lanai can sometimes be upgraded to a glass enclosure or sunroom, depending on the existing structure’s foundation and framing.
Is a Florida room the same as a lanai?
In common usage, a “Florida room” often refers to a glass-enclosed addition — similar to a sunroom but sometimes with louver windows instead of fixed glass.
Does a lanai need a permit in Hillsborough County?
Yes. Any covered, attached structure — including screened lanais — requires a building permit in Hillsborough and most other Tampa Bay counties.
Not sure which option fits your space and budget? Contact Top Tier for a free on-site consultation. We install screened lanais, glass enclosures, and sunrooms across the Tampa Bay area.
Sources: Hillsborough County Building & Zoning; Florida Building Commission.
