Garden Tree House by Hironaka Ogawa
More from architect Hironaka Ogawa: the two trees felled to make way for this house extension in Kagawa, Japan, were reinstalled inside the living room (+ slideshow). More about Garden Tree House by Hironaka Ogawa
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HomeMade by Bureau de Change
London studio Bureau de Change has combined two terraced houses in London by punching through original walls and adding a glazed kitchen and a floating staircase (+ slideshow). More about HomeMade by Bureau de Change
Slim House extension by Alma-nac
London studio Alma-nac has staggered the floors of this extension to a 2.3 metre-wide terraced house in south London to help bring natural light in through a sloping roof. More about Slim House extension by Alma-nac
Book Tower House by Platform 5 Architects
Walls of books fold around a wooden staircase in this renovation and extension to a north London home by Hackney studio Platform 5 Architects. More about Book Tower House by Platform 5 Architects
Maison D by Emmanuelle Weiss
French architect Emmanuelle Weiss has added a contrasting dark brick extension to a red brick house outside Lille (+ slideshow). More about Maison D by Emmanuelle Weiss
Haus Bergé by KHBT
KHBT of London and Berlin has doubled the size a 1970s family house in Offenbach, Germany, by wrapping a timber-clad extension around the walls and over the roof (+ slideshow). More about Haus Bergé by KHBT
House at Goleen by Niall McLaughlin Architects
A simple uniform of Irish blue limestone dresses these four mono-pitched extensions to a rural cottage on the south coast of Ireland by London firm Niall McLaughlin Architects (+ slideshow). More about House at Goleen by Niall McLaughlin Architects
Residential Extension by Alison Brooks Architects
Alison Brooks Architects has extended a nineteenth century house in north London by adding two tapered volumes that project into the garden (+ slideshow). More about Residential Extension by Alison Brooks Architects
20th Street Residence by SFOSL
This rooftop house extension by Californian architects SFOSL has a metal bridge at its entrance and a facade that folds open. More about 20th Street Residence by SFOSL
SH House by BaksvanWengerden
Dutch studio BaksvanWengerden has added a splayed concrete extension to a triangular brick house in north Holland (+ slideshow). More about SH House by BaksvanWengerden
Sunset Villa by TT Architects
A covered courtyard has been inserted into the side of this Kurashiki house by Japanese firm TT Architects (+ slideshow). More about Sunset Villa by TT Architects
Une Maison sur la Maison by THE Architectes
A mysterious black gable frames two new bedrooms on the roof of a house in the outskirts of Paris. More about Une Maison sur la Maison by THE Architectes
The Orangery by Liddicoat & Goldhill
London architects Liddicoat & Goldhill added an extension to a south London home with an oak-screened staircase and double-height windows. More about The Orangery by Liddicoat & Goldhill
Villa SK by Atelier Thomas Pucher
Austrian architects Atelier Thomas Pucher built a glass box and courtyard onto this house in Graz to bring the family's living space outdoors (+ slideshow). More about Villa SK by Atelier Thomas Pucher
Eden House by The Practice of Everyday Design
A chunky bay window protrudes from this timber-clad addition to a house in Ontario by Canadian studio The Practice of Everyday Design (+ slideshow). More about Eden House by The Practice of Everyday Design
Campanules by EXAR Architecture
Belgian studio EXAR Architecture have replaced walls of brick and plaster with glass and Corten steel on this extension to a suburban house outside Brussels. More about Campanules by EXAR Architecture
Villa T-Extension by OFIS Arhitekti
Slovenian studio OFIS Arhitekti have added a bleached larch extension onto the side of a 1930s house in Ljubljana designed by modernist architect Josip Costaperaria. More about Villa T-Extension by OFIS Arhitekti
Designed in Hackney: Mapledene Road by Platform 5 Architects
Designed in Hackney: it's week four in our celebration of design from the London borough of Hackney and today's featured project is a modest glass extension to a house in Dalston by Shoreditch-based architects Platform 5. More about Designed in Hackney: Mapledene Road by Platform 5 Architects
Balmain Archive by Innovarchi
Slideshow: the faceted copper envelope of this house extension near Sydney was designed by architects Innovarchi to resemble a roof. More about Balmain Archive by Innovarchi
The Lanes by Mole Architects
A 1960’s bungalow in Cambridgeshire is hidden behind a Siberian larch-clad extension with a row of gabled roofs. More about The Lanes by Mole Architects