Left-Hand Bottom Winder Softwood Staircase — Trade Range (No Handrail, 13 Risers)

Trade Range SW39N Winder Staircase L/H – No Handrails

Ref: TSW39N-LH

• Gain space at the bottom of the flight with this Left-Hand (L/H) bottom winder softwood staircase—ideal for tight plans and refurbishments. Part of our Trade Range, this model is supplied without handrail so you can add your preferred balustrade later.

  Key points

  • Handing: L/H bottom winder (tread 1 at bottom, turning left)

  • Risers/Goings: 13 risers, 12 goings (winder + straight treads)

  • Pitch target: ≤ 42° to align with Part K

  • Made to order: Floor-to-floor 2500–2860 mm, width 660–1000 mm

  Specification

  • Strings: 32 mm EdgeLam engineered pine (softwood)

  • Treads: 22 mm MDF

  • Risers: 12 mm MDF

  • Finish: Supplied unfinished, ready for on-site finishing

  • Handrail/Balustrade: Not included (no-handrail variant)

  What’s included

  • One L/H bottom-winder staircase flight built to your selected dimensions

  • Pre-set geometry based on your rise/width

  • Basic fixing guidance

  Site & compliance notes

  • Headroom: Aim for ≥ 2.0 m clear along the nosing line (verify on site).

  • Stairwell size: Match overall width and plan B length for best fit.

  • Responsibility: Final compliance depends on site conditions (headroom, landings, openings).

  Need the mirror? See our Right-Hand (R/H) Bottom Winder — No Handrail.
  Want softwood handrails later? Add from our Handrail & Fixings range.