Stone Spiral staircases are perfect if you need a staircase for a very tied space. By using a solid stone it will give the staircase a completely different level of luxury and aesthetical appeal. The natural beauty of the material and the clever design of Carvero's staircases will add something very special to your home. This staircase has been fitted for a client near Birmingham. It is leading from the kitchen down to the cinema room and the wine cellar.