A bright blue wall and a giant window-side bath tub feature in this converted attic apartment by Gon Architects, in the Conde Duque district of Madrid.
Designed by Gonzalo Pardo, who runs his practice Gon in Madrid, G House is located in the attic of a four-storey building.
Intended for a single occupant, the architect said that the concepts of hedonism and pleasure informed design decisions throughout the apartment.

A bright blue staircase marks the entrance to the home. A kitchen, dining and living area sit to the right of the entrance, while the bedroom and study are to the left.
Straight ahead, a pine-clad volume in the centre of the apartment conceals a white Corian-covered bathroom that leads through to an all-black dressing room.
The bathroom and dressing room are accessed through the sunken bath tub that sits just off the living room area. The architect describes the unorthodox secret entrance as a design feature that adds an element of play and surprise into the interior.
"While the actions of cooking, eating, sleeping, relating, working or resting take place in a free environment defined by the shape and position of objects in the room, cleaning and body care are carried out in a set of connecting rooms in the heart of the house," said the architect.

To create a more social space, Gon removed all partition walls and instead let the furniture define the function and layout of each area.

Spaces designed for communal activities include the living ...