Stairs as Storage: The Upgrade
Holger Kehne and Eva Castro of London's Plasma Studio have done a very elegant version of the storage stair in their Esker Haus, a renovation and addition in San Candido, Italy. It has an exterior stair that is a killer, too.
Stair open (I can't quite figure out what the upper drawers are doing)
Exterior Stair. ::Plasma Studio