This Tokyo house by Japanese studio Naf Architect & Design has a climbing wall and ladders, in case the owners get bored of using the stairs. More »

This house in Osaka by architects Suga Atelier has a faceted concrete exterior that looks like a rockface. More »

All the rooms of this renovated Tokyo house by Japanese studio Naf Architect & Design are connected to a wooden box at its centre. More »

The floor of the dining room becomes a worktop for the kitchen inside this Tokyo house by Japanese studio Urban Architecture Office (UAo). More »

This Tokyo house by Japanese architect Sou Fujimoto has hardly any walls and looks like scaffolding (photos by Iwan Baan). More »

Japanese architects Ninkipen! have planted a tree at the centre of this hair salon in Kadoma and surrounded it with mirrored A-frames. More »

Beyond the arched entrance of this metal-clad house in Kadoma, Japan by architect Takeshi Hamada is a corner light well surrounded by windows and balconies. More »

The huge tiled roof that wraps around this Tokyo house integrates arched windows and openings for tree branches. More »

Steel crossbeams divide the triple-height living room of this Tokyo townhouse into modular sections. More »

Slideshow: the cantilevered upper storeys of this house in Osaka by Japanese architect Shogo Iwata hover above a driveway. More »

A steel screen zigzags in front of a shampoo area at this dimly lit beauty salon in Gifu, Japan, by architect Hiroyuki Miyake. More »

Slideshow: Japanese firm Schemata Architecture Office have perched a cabin on top of a small woodland cliff in Chiba, Japan. More »

Slideshow: a wooden library climbs the walls of this four-storey house in Kanagawa, Japan. More »

Slideshow: the walls of this house in Tokyo by Japanese studio Apollo Architects & Associates stretch outwards around a secret balcony. More »