Spiral Stairs

Metal spiral stair with metal balusters

Oak spiral stair with glass balustrade and oak rail

Oak spiral stair with metal balusters

Spiral stair to library made from oak with metal balusters

Spirals Are Beautiful and Interesting Stairs

Spirals are excellent choices in low-usage areas, such as libraries and secondary stairs. If you are using a stair on a daily basis, you may want to see if you can fit in another layout verses a spiral, for more comfortable walking.

Spirals do not meet code as a primary means of exit to and from an area of your home. There are areas in your home where spirals may meet code, such as to a library loft, or when it's a secondary stair. Check local building codes to confirm if it will meet code in your area.

Spiral Staircase Price Ranges

Designed Stairs spiral staircases start at about $15,000, and are custom quoted based on the styles and materials you choose. Get a quote on a custom spiral …

If this is beyond your budget, and you have limited space, another solution may be a ladder. See Ladders for options.

There are lower priced spirals in the marketplace. Perhaps the most common is one that can be used outdoors or indoors. It's assembled from metal stocked parts, which are adjustable in several ways, metal spacers are used to adjust the overall height of their spirals. Some spiral stairs offer a bendable plastic handrail. Due to their lightweight nature, they do tend to be shaky. We do not offer these, but you can find sources on the internet for this type of spiral. This is an affordable solution for a tight budget and small space.

A Quality Custom Spiral Staircase

Designed Stairs spirals are completely custom made for your exact specifications. In fact, not one part of your stair is fabricated before your final plans are done and the order is approved by you. Both the overall height (rise) and the diameter will be specific to your project, as well as the starting and ending angles for your walkway and the species of wood. Your spiral is built by experienced craftsmen then delivered or shipped to you for final installation. All of these details ensure that you have a one-of-a-kind work of art constructed for your home.

Spiral Sizes and Dimensions

Because each spiral we make is custom designed and built, we can make it in any even-inch size. Generally, people want the largest size their space can fit, for ease of use. We recommend 6' or larger, due to the walkable area; the distance between the center post and the handrail.

  Small Space Spiral Spiral Dimension Standards
Opening Size 54 60 66 66.75 72 78 84
Spiral Overall Diameter 52.5 58.5 64.5 65.25 69 75 81
Clear Walking Space 19.63 22.63 25.63 26* 26.13* 29.13 32.13
*IRC requires a minimum 26" clear walking space.
Rail is assumed to be 2-1/4" wide. Rail width and trim overhang will affect clearances.

Standard Spiral Dimensions

Rail clearance is 2-1/4" from end of tread with 1-1/2" finger clearance between tread end and wall.

Small Space Spiral Dimensions

Rail clearance is 1-7/8" from end of tread with 1-1/2" finger clearance between rail and wall. Clearance between tread and wall is 3/4".

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