Sunroom Addition Cost
Sunrooms create a bright transition space between indoors and outdoors. Three-season rooms are less expensive but unusable in extreme temperatures. Four-season rooms with full insulation and HVAC cost significantly more.
Low Estimate
$15,000
Mid-Range
$40,000
High End
$100,000
Avg ROI
48%
Interactive Cost Estimator
Mid-grade materials, good quality fixtures, standard options.
Estimated Total Cost
$40,000
Based on 200 sq ft at mid quality. Actual costs vary by location and contractor.
Cost Breakdown
Approx. $18,000 at mid-range pricing
Approx. $22,000 at mid-range pricing
Labor-heavy projects (with high labor costs) benefit most from getting multiple contractor bids. You can save on materials-heavy projects by sourcing materials yourself at contractor pricing.
What Affects the Price
- 1Size and style (3-season vs 4-season)
- 2Foundation type
- 3Insulation (4-season)
- 4HVAC connection
- 5Window and roof materials
Popular Upgrades
- Four-season insulated sunroom
- Heated floors
- Retractable shading
Discuss upgrades with your contractor before finalizing the quote. Some upgrades are cheaper to include during initial construction than to add later.
DIY vs. Hire a Pro
Professional installation strongly recommended.
DIY Advantages
- • Save 45% on labor costs ($18,000 at mid-range)
- • Control over timeline and material selection
- • Satisfaction of completing the project yourself
- • Flexibility to work in phases
Pro Advantages
- • Guaranteed workmanship and professional finish
- • Proper permits and code compliance
- • Access to trade pricing on materials
- • Required for safety and code compliance
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