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Guide · 1 min read

Types of steel staircase

Straight, dog-leg, spiral, helical and escape stairs compared.

The right stair depends on the space, the use and the look you want.

  • Straight flight: the simplest and cheapest. Needs a long run.
  • Dog-leg: two flights with a half landing. Fits a shorter footprint.
  • Quarter-turn: turns 90° at a landing or winders, useful against two walls.
  • Spiral: treads around a central column. Very compact; best for secondary access.
  • Helical: a spiral without a central column. A feature stair with a higher cost.
  • External escape stair: galvanised, open grating treads, built for fire escape routes.

Try our stair designer to see how many risers your floor height needs.

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