Highacres by Duncan Foster Architects
Glass walls slide back to open up this house extension by British firm Duncan Foster Architects to the surrounding English woodland (+ slideshow). More
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Chelsea Town House by Moxon Architects
London-based Moxon Architects has completed a contemporary glazed extension to this Grade II listed town house in south-west London. More
Maiden Tower by Marte.Marte Architects
The towering fortress of fairy tale character Rapunzel inspired this steel-clad house extension that accommodates the three oldest daughters of Austrian architect Stefan Marte (+ slideshow). More
Beach House Mornington by Clare Cousins
More architecture from Australia: architect Clare Cousins has extended a family house in Mornington Peninsula by adding a timber-framed guest house raised up on stilts. More
HOUSE House by Andrew Maynard Architects
Andrew Maynard Architects has linked two terraced homes in the Richmond suburb of Melbourne, Australia, by adding a periscope-shaped extension with a special area for graffiti artists (+ slideshow). More
KubiK extension by GRAS
Spanish firm GRAS has extended a traditional detached house in Mallorca by adding a series of contrasting Corten steel boxes. More
Vale da Abelha House by Duarte Pape
Portuguese architect Duarte Pape has combined a long stone wall with folding timber facades in this residential extension in northwestern Portugal (+ slideshow). More
Cosgriff House by Christopher Polly
Australian architect Christopher Polly has converted a small Sydney bungalow into a two-storey house by adding extra rooms behind and underneath. More
Pedervegen 8 by Rever & Drage
This timber-clad house extension in Norway by Oslo studio Rever & Drage features curvy towers that point outwards like periscopes (+ slideshow). More
House N by Maxwan
Dutch studio Maxwan has renovated a thatched house in the seaside town of Noordwijk in the Netherlands and added concrete and glass protrusions to the front and back (+ slideshow). More
East London House by Mikhail Riches
London studio Mikhail Riches has renovated a nineteenth-century house in London and added a glazed kitchen and dining room at the rear (+ slideshow). More
Hawthbush extension by Mole Architects
UK firm Mole Architects extended a protected farmhouse in south-east England by adding an extension with a barrel-vaulted roof that references local agricultural buildings (+ slideshow). More
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
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
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
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
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
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
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
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