S1W3W35N – Left-Hand Double Winder Staircase (No Handrails) – Trade Range
The S1W3W35N is a Trade Range staircase kit designed for compact layouts where a straight flight won’t fit. This version is Left-Hand turning (as you ascend) and is supplied without handrails, making it ideal where balustrade/handrail details will be handled separately or where the stair sits between walls.
Key features
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Layout: S1W3W35N double-winder (Left-Hand turning)
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Handrails: Not included (No HR)
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Risers: 13
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Total rise range: 2500–2860mm (selectable)
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Overall width range (over strings): 600–1000mm (selectable)
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Going & pitch: calculated automatically to target ≤ 42° (with a minimum going value), with an optional manual going override where required
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Calculated lengths shown before purchase: Entry length, Run B / Run 2 length, Exit length, pitch, individual rise and going
Built for confidence at checkout
As you configure the rise and width, the page displays a live “Calculated Summary” including key dimensions and compliance indicators. Your selections and calculated values are also carried through to the cart/checkout so you can order with confidence.
What’s included
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Staircase kit supplied to the configured rise/width and the selected options shown on the page.
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No handrails / balustrade supplied with this product.
Need a handrail version? Choose the “With Handrail” S1W3W35N product for a complete stair + balustrade option.
Key specifications (bullet list for a “Specs” section)
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Model: S1W3W35N
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Turn: Left-Hand (LH)
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Handrails: No handrails
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Risers: 13
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Total rise: 2500–2860mm
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Width (overall strings): 600–1000mm
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Compliance target: Pitch ≤ 42° (calculated guidance)
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Summary outputs: Entry length, Run B / Run 2 length, Exit length, pitch, individual rise, stair going
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