This half-scale model of a spiral staircase by American studio Matter Design is made from concrete treads that slip neatly over each other. Above and top: photograph by Brandon Clifford The Helix ...

Here is an ideal staircase with double function designed by B PIÙ s.r.l. for small lofts. Thanks to the vertical adjustment mechanism of the structure, eclettica can adapt to different ceiling heights ...

Try not to get dizzy: Spiral staircases aren’t just for Victorian libraries anymore. One-of-a-kind twisting staircases in stone, wood and plaster have become sculptural statement pieces in New York ...

The use of fiber-reinforced composites in architectural applications is on the rise, often adopted for the design flexibility they offer. This was indeed the case for a self-supporting spiral stairway ...

London studio Sybarite has designed a store for fashion label Joseph in the Miami Design District to include round balconies, curved railings and spiral stairs as a reference to the city's seaside ...