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Floating Staircase

  • London, UK
  • 2012 – TBC
  • Complete
  • 8.8m (L) 2.5m (W) 3.2m (H)

The floating staircase maintains the lightness of the gallery space. Each suspended step is articulated as a separate ribbon cast from Ductal®, an ultra-high performance concrete with exceptional structural as well as aesthetic qualities.  

The tensile strength of Ductal® allows the ribbons to remain relatively thin. Despite each step becoming slightly narrower towards the lower level, all the treads have been cast from a single adjustable mould that was engineered in Italy by Il Cantiere. The floating staircase has been designed to be demountable.


Zaha Hadid Architects


Zaha Hadid with Patrik Schumacher

Project Architect

Melodie Leung

Design Team

Garin O'Aivazian, Bear Shen

Structural Consultant

Christian Tygoer
Adams Kara Taylor


Il Cantiere

Structural Engineer

Raphaël Fabbri
C&E Ingeniere

Steelwork and Installation

Artistic Engineering