Kappa Spiral Staircase – Bold Contemporary Design, Engineered for Style

The Kappa Spiral Staircase is the perfect blend of architectural impact and engineered flexibility. Designed to make a bold statement in any modern interior, this premium staircase pairs lamellar lacquered beech treads with a matte black lacquered steel frame, creating a truly elegant centrepiece for your home or mezzanine level.

Available in 120cm and 140cm diameters, the Kappa staircase reaches up to 309cm in landing height, while its modular system allows you to adjust the riser height between 19 and 23.5cm. It’s the ideal solution for compact spaces where design cannot be compromised.

✅ Key Features – Kappa Spiral Staircase

• ✅ Max floor-to-floor height: 309cm

• ✅ 12 treads in solid beech + triangular landing platform

• ✅ Tread thickness: 38mm for durability & comfort

• ✅ Adjustable risers from 19cm to 23.5cm

• ✅ Available in 120cm or 140cm diameters

• ✅ Matte black lacquered steel structure (RAL 9005)

• ✅ 4 black balusters per tread – enhanced safety and elegance

• ✅ Contemporary architectural finish

• ✅ Modular kit – no special tools needed for installation

• ✅ Optional matching landing banister available

• ✅ EN 1991 and EN 1993 compliant

• ❌ No plastic materials or faux finishes

• ❌ No visible screw fixings – clean aesthetic

• ❌ No paint retouching or seasonal maintenance required

🔍 Kappa vs. Conventional Spiral Staircases – Why It Leads the Way

🏡 Where Contemporary Form Meets Versatile Function

Whether you’re upgrading a stylish loft apartment, connecting a mezzanine level, or enhancing a modern home extension, the Kappa Spiral Staircase delivers:

• 🛋️ Striking visual impact

• � ️ Fast and flexible installation

• 🏢 Efficient footprint in tight spaces

A 120cm diameter model only needs a 125x125cm ceiling opening, or 130cm if round. Always allow an extra 10cm clearance beyond your staircase diameter for a perfect fit. Minimal assembly tools are required, and full step-by-step instructions are provided.

Need something lighter in colour? Check out our Sigma Spiral Staircase for the same build quality in a chic grey finish.

🚚 Standard UK Delivery – Secure & Reliable

We ensure your staircase arrives quickly and in excellent condition:

• ✅ Free Standard Mainland UK Delivery

• ✅ Delivered in approximately 5–15 working days

• ✅ Flat-packed for easy transport and safe assembly

• ✅ Tracked delivery with dispatch confirmation

💳 Flexible Payment Options – Built Around You

We make it easy to secure your staircase with safe, flexible payment options:

• ✅ Pro Forma Invoicing – ideal for trade, schools, and commercial orders

• ✅ Klarna – pay in 3 instalments or later (subject to eligibility)

• ✅ PayPal – secure and simple

• ✅ Credit / Debit Cards – all major cards accepted

• ✅ Apple Pay – fast checkout on mobile

🏆 Our Verdict – A Statement Staircase Without Compromise

The Kappa Spiral Staircase is a premium solution for interior spaces where elegance, durability, and safety go hand-in-hand. Its black and beech finish delivers timeless appeal, while its modular construction and certified quality give you peace of mind for years to come.

👉 Order your Kappa Spiral Staircase today from Ladders UK Direct – where statement design meets secure, smart access.