How Much Does a Spiral Staircase Cost in 2025?
Installing a spiral staircase costs an average of $10,400
A spiral staircase costs an average of $10,400, with average costs ranging from $3,000 to $15,000.
Material, staircase size, and installation time are major factors in determining total project cost.
Labor rates depend on the pro and their specialty, ranging, on average, from $70 to $150 per hour.
Customization can significantly increase project costs to over $20,000.
This article was updated using automation technology and thoroughly reviewed for accuracy by HomeAdvisor Editor Ryan Noonan.
A spiral staircase costs between $1,000 and $25,000, with an average price of $10,400. Most homeowners pay between $3,000 to $15,000 on average. Your final staircase price is determined by several project factors, including size, preferred materials, labor costs, overall design, and customizations. Labor rates and installation details all roll into that bottom-line number.
Spiral Staircase Cost Factors
Size, design complexity, the pro contractor you hire, and a few other variables all shape what you’ll pay for a spiral staircase. Keep these variables in mind as you set your project budget.
| Cost Factor | Average Price Range |
|---|---|
| Labor | $2,000-$10,000+ |
| Size (per step) | $150-$300 |
| Additional finishes (threads, rails, etc.) | $500-$2,500 |
Labor
Labor runs $70 to $150 per hour on average, or $2,000 to $10,000+ for the full job, depending on complexity and timeline. A basic kit can go in within a day, but a custom showpiece can keep pros on-site for up to two weeks.
The experience and specialty of the contractor you hire also influence labor costs. Hourly rates for these professionals range from $70 to $150, with minimum fees for small jobs. Some contractors charge a flat rate for basic kit installations, while custom projects are billed on an hourly basis.
Where you live matters, too. Areas with a lower cost of living and plenty of skilled pros mean lower rates, while prices climb in high-cost regions or spots with fewer contractors.
Size
Cost ranges here assume an average staircase is 8.5 feet tall and 3.5 feet wide. For each extra step beyond that height, add $150 for low-end materials and $300 for high-end ones. As the width increases, add up to $100 per foot.
Additional Finishes
Staircase design and customization options allow homeowners to create their new spiral staircase to their exact specifications and style.
Treads and risers: Depending on the design and material, treads and risers cost between $1,800 and $2,500. Treads traditionally match the staircase material, though you can mix and match for a custom look. Common materials include wood, steel, tile, glass, stone, and composite.
Handrails: Handrails cost $900 on average, ranging from $500 to $1,600. Like treads, handrails can be made of many materials, but most often are made of the same material as the rest of the staircase. Materials requiring more time or effort to build and install can increase costs up to $8,500 or more.
Balusters: Without installation, balusters cost between $1,200 and $1,600. Besides adding visual appeal, balusters support the structure and make the staircase secure. Spiral staircases can require custom balusters, which can drive the cost significantly higher.
Location
Installing your staircase indoors or out changes the material requirements—and the total cost. Outdoor staircases benefit from weather-resistant materials such as wood, aluminum, wrought iron, or composite. Indoor staircases can use most material types, including steel, cast iron, and glass.
Location accessibility and demolition needs can also affect costs. Cutting out drywall, reinforcing floorboards, and similar tasks can greatly drive up the final price.
Materials
Ranging from $1,000 to $20,000, the material prices of spiral stairways can vary. For example, a steel spiral staircase costs much less than wood, glass, or composite installations. Materials also affect the total amount needed for the project and the complexity of design and installation.
| Material | Average Price Range |
|---|---|
| Steel | $1,000–$4,400 |
| Wrought or cast iron | $1,000–$4,600 |
| Wood | $2,000–$20,000 |
| Aluminum | $2,500–$20,000 |
| Glass | $2,500–$20,000 |
| Trex (composite) | $4,000–$8,000 |
Steel
Steel spiral staircase kits cost between $1,000 and $4,400. They’re often sold as full kits in various styles, some with contrasting wood treads.
Wrought Iron
Wrought iron staircases cost approximately $1,000 to $4,600. Kits include railings, balusters, treads, and supports, and can be paired with wooden treads.
Wood
Wooden spiral staircases cost between $2,000 and $20,000. Types of wood (oak, pine, walnut, mahogany) greatly affect the price.
Aluminum
Aluminum staircases range between $2,500 and $20,000. Their weather and corrosion resistance make them ideal for outdoor use, especially near coastal areas.
Glass
Glass spiral staircases cost between $2,500 and $20,000. Designs often incorporate metal or wood supports; kits can include cable railings.
Trex (Composite)
Trex composite staircases average $4,000 to $ 8,000. They resist pests, rot, and warping, and work well both indoors and outdoors.
Budgeting for a Spiral Staircase
Use these tips to keep your project budget-friendly:
Use cost-effective materials: Choose materials that meet your needs and budget without unnecessary expense
Consider durability and maintenance: Some materials require more upkeep. Factor lifetime maintenance into your budget.
Minimize customization: Custom details can greatly increase costs. Prioritize must-have features.
Get multiple quotes: Compare estimates from several local remodeling contractors to find the best value.
How HomeAdvisor Gets Its Cost Data
No place is more important than your home, which is why HomeAdvisor connects homeowners with local pros to transform their houses into homes they love. To help homeowners prepare for their next project, HomeAdvisor provides readers with accurate cost data and follows strict editorial guidelines. After a project is complete, we survey real customers about the costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
