Cantilever Stairs
Concrete Cantilever Stairs
A Floating Masterpiece in Architectural Design.
Cantilever staircases may have originated centuries ago, but today they are celebrated for their contemporary elegance and architectural impact. With their signature floating effect and minimalist profile, concrete cantilever stairs offer a discreet yet dramatic solution for modern luxury interiors.
Whether you’re developing an exclusive property or envisioning a sculptural centrepiece for your own home, a Kallisto cantilever staircase delivers both form and function, with uninterrupted space and refined engineering.
How Cantilever Stairs Work
Unlike traditional staircases, cantilever steps are supported at only one end, typically embedded into a structural load-bearing wall. This gives the visual impression that each tread is suspended in mid-air.
Load is transferred through torsion, using internal steel pins and bolts concealed within the wall. Our precast concrete cantilever staircases can achieve incredibly slim profiles, with waists as fine as 50mm, while maintaining strength and structural integrity.
Engineered for Minimalism, Designed for Luxury
The hallmark of a cantilever staircase is its seamless integration into a space. It enhances your architectural environment without competing with it, creating a sense of openness and effortless flow. Ideal for:
- Luxury residential properties
- Prestige developments
- High-end interior renovations
With no visible supports and space left open underneath, cantilever stairs offer freedom to incorporate feature walls, lighting designs, or custom flooring that would be obscured by a conventional stair structure.
At Kallisto, each staircase is made to measure, designed in collaboration with your team to meet your exact vision. All elements are precision-cast in our Essex facility and delivered as part of our end-to-end managed service.
We collaborate closely with architects, interior designers, developers, and private clients, ensuring every staircase reflects your unique vision. From early design consultation through to final installation, we manage the entire process with precision and discretion.
Why Choose a Concrete Cantilever Staircase from Kallisto?
- Expertly engineered for safety, strength and stability
- Designed to complement contemporary and minimalist interiors
- Manufactured off-site to ensure quality control and minimal waste
- Tailored to your property and delivered ready for installation
- Trusted by developers, architects and private clients across the UK
Our approach gives you the aesthetic impact of a luxury floating staircase, with the practicality and durability of precast concrete.
Compared to in-situ methods or alternative materials like steel or timber, precast concrete offers numerous advantages:
- Cost-effective and long-lasting
- Inherently fire resistant
- Excellent acoustic insulation
- Safe and load-bearing from the moment of installation
- Easily finished with timber, marble, stone, tiles, or carpet
Important Considerations
Before specifying a cantilever staircase, it is essential that the adjacent wall is confirmed as structural and load-bearing. We strongly recommend consulting with a qualified structural engineer or technician early in the design phase to ensure feasibility and safety.
Explore the Details
View our design drawings and gallery of recent installations to see how Kallisto concrete cantilever stairs can transform your interior space.
Contact Us
Start Your Staircase Journey Today
Whether you’re commissioning a one-of-a-kind new build or reimagining your existing space, we’re here to help bring your vision to life.