Custom Spiral Staircases, Built to Your Space

A custom spiral staircase is designed around a particular space, use, and set of preferences. You can begin with a configurable Paragon product and select its available sizes and details, or work with a designer on a more tailored stair when the project calls for it. The result depends on decisions such as the stair’s diameter, finished height, tread and railing materials, finish, and how it meets the upper level.

That distinction matters when comparing products. A quick-ship kit offers a defined selection of configurations, while a more extensively customized project may involve additional design and engineering work. Paragon’s stair designers and in-house engineering team can help determine which route fits your measurements and intended use.

How Can You Customize Your Spiral Staircase?

You can customize a spiral staircase by choosing the dimensions first, then selecting the materials and details that affect its appearance, durability, and cost. Available options vary by product, so use these choices as a planning guide and confirm the final configuration with your designer.

Diameter and footprint

The diameter determines how much floor area the stair occupies and affects walking space. Paragon offers compact models as small as 3 feet 6 inches in diameter, with larger sizes available. Start by measuring the floor opening and the clearance around the proposed stair; a larger diameter may be appropriate for comfort or applicable code requirements. See Paragon’s spiral staircase sizing guide when planning the opening.

Floor-to-floor height and rotation

Measure from the lower finished floor to the upper finished floor or deck surface. That height helps determine the tread count and rise between steps. The direction the stair turns and where you enter and exit it also affect the layout, particularly near doors, walls, or a loft railing.

Treads and structure

Tread choices can change the stair’s look and walking surface. Depending on the model and location, options may include metal, wood, composite, or open-grate designs. An indoor stair with wood treads can bring warmth to a living space; an exposed outdoor stair needs materials selected for weather and the intended use. Compare Paragon’s tread options before settling on a finish.

Railing and baluster details

The railing is one of the most visible parts of a spiral stair. Simple vertical balusters, line-rail designs, and more decorative details create different effects. The choice also needs to satisfy the guard and handrail requirements that apply to the project, so discuss the complete railing configuration with your designer.

Finish and color

A finish should suit both the setting and the design. Indoor steel, outdoor aluminum, galvanized steel, and wood each call for different finish decisions. A restrained color can help a stair blend with the room or deck; a contrasting color can make it a focal point. For exposed locations, start with material suitability before choosing the color. Explore Paragon’s outdoor spiral staircases for those applications.

Landings and level connections

The upper platform and any connecting railing should be planned with the stair, not added as an afterthought. Their shape and position affect the exit direction, available clearance, and how the stair meets a loft, deck, or upper floor. Multi-level projects may require additional landing and support decisions.

Have a layout in mind? Start in Build Your Stair to explore combinations, then send your design to a Paragon stair expert for review and accurate pricing.

Which Paragon Stair Is the Right Starting Point?

The right starting product depends on how much flexibility your project needs. The Finley offers an adjustable-height indoor kit with laminate treads. The Downtown is an indoor design to explore when railing details are part of the look. For a customized outdoor color, consider The Retreat. The Atlas is another starting point for projects with commercial requirements.

These examples are starting designs, not promises that every option is available on every model. If your measurements or desired details fall outside a product’s available configurations, bring them to the design consultation.

How Much Does a Custom Spiral Staircase Cost?

Custom spiral staircase cost depends on what the project requires. A selected kit configuration and a stair with extensive material, railing, or landing customization will have different costs. The page’s cost filter can help you compare product starting points, but an accurate quote needs the measurements and choices for your stair.

The main cost drivers are:

• Diameter and finished floor-to-floor height, which affect the size and tread count
• Indoor or outdoor material selection
• Tread material and railing design
• Finish and color choices
• Upper platforms, connecting railings, and additional landings
• Any project-specific design or code requirements

Share those details through Get Quick Pricing or start a design in Build Your Stair. A Paragon designer can then help refine the configuration and provide pricing for the stair you actually need.

How Does Paragon’s Custom Design Process Work?

Paragon’s custom design process moves from your measurements and preferences to a reviewed stair configuration. You can begin with a product, an online design, or a conversation with a designer.

1. Share the project. Provide the location, intended use, available opening, finished floor-to-floor height, and any design references.
2. Explore a configuration. A stair designer helps compare diameter, rotation, materials, railing, finish, and platform options within your budget.
3. Review the design. The proposed stair is checked against the project details and any applicable design or engineering requirements. Paragon can provide a 3D model during its consultation process.
4. Finalize and fabricate. Once the configuration and quote are approved, Paragon prepares the stair for the project.
5. Receive installation guidance. The stair arrives with instructions for its configuration; ask about professional installation when the project’s height, access, or commercial use warrants it.

Paragon’s free design service is a useful place to start if you know the space but have not decided on every detail.

Why Choose Paragon for a Custom Spiral Staircase?

Paragon has been building staircases since 1947, and its designers can help turn an initial idea into dimensions and material choices that suit a real space. The company has served more than 50,000 customers and has an in-house engineering team for projects that need additional review. Its published warranty includes lifetime coverage for metal fabrication under stated terms. The design consultation gives you a chance to check the fit and quote before committing to the final configuration.

Frequently Asked Questions

Are Paragon’s spiral staircases fully custom or prefab?

Paragon offers both configurable stair kits and more tailored spiral staircase designs. A kit gives you a defined set of options, while a custom project can address additional dimensions or design requirements. A designer can help you determine which approach fits your space.

How much does a custom spiral staircase cost?

The cost depends on diameter, height, materials, treads, railing, finish, landings, and the requirements of the location. A product’s starting configuration will not reflect every possible project. Share your measurements and preferences with Paragon for an accurate quote.

How long does a custom spiral staircase take?

Timing depends on the chosen design, materials, finish, and current production schedule. A more tailored stair may require additional design and fabrication steps; Paragon also offers quick-ship models when an available configuration suits the project. Ask your designer for the schedule that applies to your stair.

Can I get a custom spiral staircase for outdoor use?

Yes. Paragon offers outdoor spiral stairs in materials such as aluminum and galvanized steel, with tread and finish choices suited to exposure. Tell your designer whether the location is coastal, uncovered, or otherwise subject to heavy weather so the material and finish can be selected accordingly.

Will a custom spiral staircase meet building code?

A custom spiral staircase can be designed for applicable code requirements, but compliance depends on the finished configuration and intended use. Provide your designer with the project location and whether the stair serves a residence or commercial space. The local authority reviewing the project has the final say.

Your space provides the measurements; your choices determine how the stair looks and works. Get Quick Pricing to begin a free consultation, or explore design options in Build Your Stair.