The S4N short straight staircase in Craftsmans Pine adds one more step over S3N while remaining compact and easy to fit. Each flight is custom made to your width and rise/going, with our configurator guiding 2R+G and pitch ≤ 42° to support Part K principles.

Layout & sizing

• Straight flight: 5 risers / 4 goings

• Rise per step adjustable 180–220 mm

• Custom made width: 600–1000 mm (overall strings)

• Total plan length is calculated live (includes nosing overlap and riser thickness)

Timber specification

• Strings: 32 mm EdgeLam Engineered Pine

• Treads: 22 mm EdgeLam Pine

• Risers: 12 mm plywood as standard (upgrade to Pine; thickness auto-set by width)

Where it fits best

A great choice for mezzanines, split-level rooms, lofts and platform changes where a short, custom made straight timber staircase is the neatest solution.

Compliance note: On-page checks flag pitch and 2R+G for guidance; final compliance depends on site conditions and installed dimensions.

Key specs

• Model: S4N — 5 risers / 4 goings

• Rise per step: 180–220 mm

• Custom made width: 600–1000 mm

• Pitch target: ≤ 42° with 2R+G feedback

• Strings: 32 mm EdgeLam Pine

• Treads: 22 mm EdgeLam Pine

• Risers: 12 mm plywood (Pine upgrade available)