A wooden treehouse with circular perforations is suspended from the ceiling inside this space for a south London theatre company for disabled children, echoing round patterns on its facade (+ slideshow). More about Timber treehouse hangs inside Oily Cart theatre headquarters by Hawkins\Brown
French architect Noel Dominguez has added a timber-clad residence with an angular penthouse to the former garden of a townhouse on the outskirts of Paris (+ slideshow).
More about Noel Dominguez inserts timber cube house into Parisian garden
This house in the Oxfordshire countryside was designed by London studio The Manser Practice with a Cotswold stone facade and a cantilevered terrace overlooking the woods (+ slideshow). More about Dry-stone walls surround English countryside house by The Manser Practice
A 100-year-old house in Paris has been renovated and extended by local studio CUT Architectures to frame a garden facing the morning sun and create a shaded terrace overlooking a nearby park (+ slideshow). More about Red cedar clads extended Parisian house by CUT Architectures
Rows of rectangular windows are designed to frame rooms like an "advertisement board for well-designed living" on the facade of this apartment block in Tokyo by local studio PANDA (+ slideshow). More about PANDA's Asakusa Apartments feature rows of "picture frame" windows
Australian architecture office Iredale Pedersen Hook has renovated a 1930s property in Perth and added an angular rear extension that contrasts with the traditional street-facing facade (+ slideshow). More about Iredale Pedersen Hook updates a traditional Perth house with a faceted extension
Japanese studio Level Architects squeezed this all-black house onto a narrow plot in Tokyo's Fukasawa district, adding sloping offset walls around the lower floors to protect residents' privacy (+ slideshow). More about Black house in Tokyo by Level Architects reveals little to its neighbours
Architecture studio Piercy & Company has slotted a family house behind a nineteenth-century stable facade in south-west London, creating a pair of rusted gable walls with a glazed stairwell in between (+ slideshow). More about Weathered steel sits alongside ageing brickwork at Kew House by Piercy & Company
News: a design team led by London firm Grimshaw has revealed plans for a new six-runway airport in Istanbul capable of accommodating up to 150 million passengers a year. More about Grimshaw unveils "world's largest airport terminal under one roof" for Istanbul
The timber and stone buildings of Gion A Caminada, a cult figure in Swiss architecture, will feature in an exhibition opening next month at the House of Art in the Czech city of České Budějovice (+ slideshow). More about New exhibition showcases the work of Swiss architect Gion A Caminada
Seven concrete fins provide a green roof that collects rainwater at this new engineering facility for a wastewater treatment plant in Portland, Oregon, by local firm Skylab Architecture (+ slideshow). More about Water treatment facility by Skylab Architecture features a roof of grass-covered fins
A clay-based black paint forms a protective layer across the facade of this woodland cabin in Finland, designed by Playa Architects as the second home for a Finnish family living abroad (+ slideshow). More about Villa Kettukallio by Playa Architects provides a woodland holiday home
This wooden observation platform and pavilion emerges from the landscape of a memorial park in Koknese, Latvia, offering views across the River Daugava (+ slideshow). More about Wooden viewing platform looks out over Latvia's River Daugava
Mirrored walls and projecting staircases create optical illusions inside the brick-lined atrium of this apartment complex in Ghent, Belgium, by local office Atelier Vens Vanbelle. More about Gewad apartment block by Atelier Vens Vanbelle features brick walls and a mirrored atrium
Japanese architect Eto Kenta has hidden a narrow garden behind the metal-clad exterior of this house in Ōita Prefecture, Japan (+ slideshow). More about Metal-clad house in Japan by Eto Kenta conceals its garden
This zigzagging house in Australia by Iredale Pedersen Hook is raised above the ground on stilts to minimise its impact on the native landscape and wildlife (+ slideshow). More about Nannup Holiday House by Iredale Pedersen Hook rises above the Australian bush on stilts
This bright white house in Portugal by GSMM Architetti uses the trees on its hillside site to create a sense of intimacy, providing a counterbalance for the openness of its central courtyard (+ slideshow). More about Hillside hideaway by GSMM Architetti features a courtyard for stargazing
News: young architects are becoming disillusioned with commercial work and instead turning to humanitarian projects, according to 2014 Pritzker Prize winner Shigeru Ban (+ interview). More about Architectural culture is "moving in two directions" says Shigeru Ban
Thick walls made from locally sourced stone frame courtyards and corridors at this radio broadcasting station in the Nepalese town of Jomsom, designed by Korean studio Archium (+ slideshow). More about Archium gives rugged stone walls to a radio broadcasting station in Nepal
American firm Bohlin Cywinski Jackson designed this wooden lodge as the holiday home for a family at the Kicking Horse Mountain ski resort in Canada (+ slideshow). More about Kicking Horse Residence provides a holiday home at a Canadian ski resort