S1W3W35N Winder Staircase – Left-Hand (With Handrails)

S1W3W35N – Left-Hand Double Winder Staircase (With Handrails) – Trade Range

The S1W3W35N is a Trade Range staircase kit designed for restricted spaces where a straight flight is not possible. This version is Left-Hand turning (as you ascend the staircase) and is supplied with handrails, providing a complete, ready-to-fit solution.

Key features

• Layout: S1W3W35N double-winder (Left-Hand turning)

• Handrails: Included

• Risers: 13

• Total rise range: 2500–2860mm (selectable)

• Overall width range (over strings): 600–1000mm (selectable)

• Going & pitch: calculated automatically to target ≤ 42° pitch with a minimum going value
  (manual going override available if required)

• Live calculated summary shown before purchase: Entry length, Run B / Run 2 length, Exit length, pitch, individual rise and stair going

Designed for confident ordering

As you adjust the rise and width, the Calculated Summary updates instantly, showing the key dimensions and compliance guidance. These calculated values are passed through to the cart and checkout, ensuring the staircase is manufactured to your exact configuration.

What’s included

• Staircase kit manufactured to the configured rise and width

• Handrails supplied as part of the staircase kit

• All calculations and options shown clearly before ordering

This product is ideal where a compact winder staircase is required with integrated handrails, avoiding the need to source balustrade components separately.

Key specifications (for a “Specifications” section)

• Model: S1W3W35N

• Turn: Left-Hand (LH)

• Handrails: Included

• Risers: 13

• Total rise: 2500–2860mm

• Width (overall strings): 600–1000mm

• Compliance guidance: Pitch ≤ 42° (calculated)

• Calculated summary includes: Entry length, Run B / Run 2 length, Exit length, pitch, individual rise, stair going