The spiral stairs are best if they answer the dimensional and design requirements of the space. So, there need to be a good planning and excellent manufacturer who will build them as they were planned. The space should be available for your wooden spiral stairs, the degree of spiral staircase needs to turn without cutting the space for the foot, the upper floor opening through which your the stairs can pass should be comfortable for moving. These are the main dimensional requirements needed to be fulfilled.
Also the design of the details is important, such as wood choice, handrail, the distance between wood balusters, open, closed, or partial risers (the structure between steps) and more. The schemes will show you some sides of planning of spiral staircase for your home, you can find helpful.

 

...