Delta Spiral Staircase

Delta Spiral Staircase

✅ Modern anthracite spiral staircase with full steel construction and compact space-saving design.
🚚 FREE UK Mainland Standard Delivery — tracked service included.
🛠️ Designed for lofts, mezzanines and contemporary interiors where a clean, minimalist finish is required.

At a Glance

• Use Type: Domestic (Indoor)

• Structure Material: Powder Coated Steel (Anthracite finish)

• Tread Material: Steel

• Number of Treads: 11

• Number of Risers: 12

• Adjustable Tread Rise: 204 mm – 225 mm

• Maximum Floor-to-Floor Height: 3000 mm (3.0 m)

• 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

• Colours Available: Anthracite (Black tone)

• Guarantee: Lifetime Guarantee

Key Benefits

• Modern Anthracite Finish
  Powder-coated steel construction delivers a sleek, contemporary look suited to modern interiors.

• Compact Spiral Design
  Ideal for tight spaces where a traditional staircase would take up too much room.

• Adjustable Rise System
  Spacer rings allow precise adjustment between 20.4 cm and 22.5 cm per step.

• Full Steel Construction
  Durable and low-maintenance design with no timber components.

• Multiple Diameter Options
  Available in 120 cm and 140 cm to suit different room sizes.

• Integrated Handrail System
  Continuous handrail provides stability and comfortable use.

📏 Sizes & Dimensions

Choose this staircase if you need a compact, modern spiral solution with a durable all-metal construction.

How Does It Compare?

Compared with standard spiral staircases, the Delta offers a cleaner design, better adjustability and stronger material consistency.

Full Product Overview

The Delta Spiral Staircase is designed for modern interiors where space-saving access and contemporary design go hand in hand. Finished in anthracite powder-coated steel, it provides a minimalist aesthetic while maintaining strong structural performance.

With 11 treads and an adjustable rise system, the staircase can be tailored to floor-to-floor heights up to 3.0 m. Its compact spiral footprint makes it ideal for loft conversions, mezzanine floors and apartments where space is limited.

Available in 120 cm and 140 cm diameters, the Delta staircase offers flexibility across a range of interior layouts while maintaining a consistent modern finish.

Safety & Build Details

• Powder-coated steel construction for durability and low maintenance.

• Adjustable riser system using spacer rings for accurate installation.

• Continuous handrail for improved stability.

• 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 sleek, modern spiral staircase with a compact footprint and durable construction, the Delta Spiral Staircase is an excellent choice. With its all-steel build, adjustable rise and contemporary anthracite finish, it delivers reliable performance backed by a Lifetime Guarantee.