These dainty stairs with their lacy shadows are on the rear wall of Hauteville House, Guernsey. This was the home of Victor Hugo, who lived here in political exile in the mid-nineteenth century. He passed the time decorating the interior - which is extraordinary, and accessible on guided tours - visiting his mistress Juliette Drouet who took a house nearby, and writing (or completing) Les Miserables, followed by The Toilers of the Sea which he dedicated to the people of Guernsey.
The house is preserved as a museum to Hugo. It is owned not by the island but by the City of Paris.