Kappa Spiral Staircase

Kappa Spiral Staircase

✅ Contemporary spiral staircase with laminated beech treads and matte black powder-coated steel structure.
🚚 FREE UK Mainland Standard Delivery — tracked service included.
🛠️ Designed for modern interiors, lofts and mezzanines where a bold architectural feature is required.

At a Glance

• Use Type: Domestic

• Structure Material: Powder Coated Steel (Black finish)

• Tread Material: Laminated Beech

• Tread Finish: Varnished

• Number of Treads: 13

• Tread Thickness: 38 mm

• Adjustable Tread Rise: 190 mm – 235 mm

• Floor-to-Floor Height Range: 2470 mm – 3055 mm

• Staircase Diameter Options: 1200 mm or 1400 mm

• Minimum Floor Opening Length: 1250 mm

• Minimum Floor Opening Width: 1250 mm

• Maximum Point Load: 200 kg

• Maximum Surface Load: 620 kg

• Building Regulation Compliance: Yes

• Guarantee: Lifetime Guarantee

Key Benefits

• Bold Architectural Design
  Matte black steel structure paired with warm beech treads creates a striking modern centrepiece.

• Compact Spiral Footprint
  Ideal for interiors where space is limited but visual impact is important.

• Adjustable Rise System
  Riser height can be adjusted between 19 cm and 23.5 cm for precise installation.

• Premium Beech Treads
  38 mm thick laminated treads provide strength, durability and comfort.

• Multiple Diameter Options
  Available in 120 cm and 140 cm to suit both compact and more spacious layouts.

• Enhanced Balustrade Safety
  Multiple balusters per tread improve stability and user confidence.

📏 Sizes & Dimensions

Choose this staircase if you need a compact spiral solution with strong visual impact and premium materials.

How Does It Compare?

Compared with standard spiral staircases, the Kappa offers superior aesthetics, stronger materials and greater installation flexibility.

Full Product Overview

The Kappa Spiral Staircase is designed to deliver both striking visual appeal and practical functionality in modern interiors. Featuring laminated beech treads and a matte black powder-coated steel structure, it creates a bold architectural statement while maintaining a compact footprint.

With adjustable risers and a floor-to-floor height range of up to 3.05 m, the Kappa staircase can be adapted to suit loft conversions, mezzanine spaces and contemporary living environments. The spiral design maximises floor space while still providing comfortable and secure access between levels.

Available in two diameters, 120 cm and 140 cm, the Kappa staircase offers flexibility for both compact and larger installations.

Safety & Build Details

• Laminated beech treads for strength and durability.

• Powder-coated steel structure for long-term stability.

• Adjustable riser system for accurate installation.

• Multi-baluster design for enhanced safety.

• Tested to 200 kg point load and 620 kg surface load.

• Complies with EN 1991 and EN 1993 structural standards.

Final Verdict

If you’re looking for a spiral staircase that delivers both bold design and dependable performance, the Kappa Spiral Staircase is an excellent choice. With premium materials, adjustable installation and a striking modern finish, it provides a high-quality solution backed by a Lifetime Guarantee.