Untitled House is a residential extension and renovation in Camberwell, London, by architecture studio Szczepaniak Astridge that centres around a "concrete sculpture".
The project was undertaken by Szczepaniak Astridge for a client called Rachel, who is the creative director of a major British fashion house.
Concrete forms the walls, ceilings and floors
Rachel asked Szczepaniak Astridge to create a home where she and her husband could relax and decompress after work.
"Untitled House has no name. Like a piece of art with no name," said the studio.
"We wanted to introduce a concrete-walled void through from the kitchen up to the bathroom. This enables smells and sounds to travel up and down the house."
The void reaches through the bathroom but has been enclosed behind protective glass doors Concrete poured in situ forms the foundations, floors, walls and ceilings of the ground-storey kitchen and a new bathroom on the first floor.
A double-height space has been left open above part of the kitchen, connecting it to the bathroom above.
Crittal screens separate the tub and the void
The gap is ringed by a concrete half-wall topped by polished stainless steel Crittal windows created by specialist metalworkers.

These windows form a screen for a monolithic bathtub that sits, like another miniature void, on the other side. The deep and square tub is formed of the same dark concrete as the walls and floor.
Stone sinks feature throughout
These sculptural c...