The Trade Range S9W3N Right-Hand Winder Staircase with Handrails is a durable, cost-effective option for homes and light refurbishments. This model adds a secure pine balustrade and upgrades the riser material to 12 mm plywood for improved screw-holding and longevity over MDF—while keeping the Trade Range value.
Layout & sizing
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Configuration: Right-hand bottom winder (S9W3N)
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Total rise: 2500–2860 mm (13 risers)
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Typical pitch: Designed to meet ≤ 42° (Part K)
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Width options: Typically 660–1000 mm overall (strings)
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Goings: Calculated to meet regs; 2R+G guidance shown at checkout
Specification
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Strings: 32 mm EdgeLam Engineered Pine
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Treads: 22 mm MDF
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Risers: 12 mm Plywood (upgrade from MDF for strength)
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Newel posts: 90×90 mm Pine Square
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Balusters: 32 mm Pine Square
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Handrail: Pine STHR profile
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Baserail: Pine STBR profile
What’s supplied
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Face-side strings tenoned for the newels
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Newel posts morticed for strings & handrail
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Handrail and baserail pre-cut
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Balusters pre-cut; fillets supplied oversize (trim on site)
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Newel caps not included (add separately if required)
Compliance & guidance
This staircase is designed to comply with Building Regulations Part K (England & Wales). Final compliance depends on the installed rise/going and headroom on site; our calculator guidance helps you select compliant sizes (≤ 42° pitch and suitable 2R+G).
Best for
Landlords, developers and homeowners needing a right-hand winder with handrails that’s quick to assemble and built for everyday use.
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