Bookshelf Staircase

This “secret' staircase” belongs to a London Victorian apartment, where it is hidden from the main reception room, to access a new loft bedroom lit by roof lights. It was designed by Tom Sloan at Levitate Architects, who came up with a neat solution to a storage problem . (Link)

Part of the "12 Most Creative Indoor Staircases" at Oddee.com.

We've seen bookshelf staircases before, but this is definitely the most creative version I've seen so far.