Sometimes bookshelves are built into staircases; Adam Jirkal, Jerry Koza and Tomáš Kalhous built this one into an alternating tread stair in Všenory, Czech Republic. Found in Archiweb; more in TreeHugger, Czech Out Another Alternating Tread Bookcase Stair
√ 20+ DIY Design How To Build A Mezzanine Floor Ideas at Cost
When photographer Dean Rogers acquired a dilapidated and dark warehouse loft conversion in Clapton, London, he enlisted the help of Sadie Snelson Architects to help him revitalise the space and transform it into a fresh and light filled open plan inter.
Unique Metal Staircase Design Allows Adding New Bedroom to Small Apartment