Paris studio Atelier Zündel Cristea has added a glass-walled extension that projects from the rear of this hundred-year-old house in the Vincennes suburb (+ slideshow). More about Maison a Vincennes by Atelier Zündel Cristea features glass-walled extension
Dublin practice GKMP Architects has added two tiny extensions to a nineteenth century terraced house in the city, one of which incorporates a wooden window seat looking out onto the garden. More about House extension by GKMP Architects includes a wooden window seat
Melbourne practice Architecture Architecture has altered the orientation of a house in the Australian city so the main living areas get the best of the northern sunlight (+ slideshow). More about Renovated house turned around to face the sun by Architecture Architecture
Diagonal strips of wood clad the exterior of this annexe that Austrian studio Franz Architekten has added to a house in the suburbs of Vienna to make room for extra family members (+ slideshow). More about Family house extension by Franz Architekten clad with diagonal strips of larch
London studio Hayhurst and Co used pale white larch to wrap walls and furnishings both inside and outside this beach house-inspired extension to a family residence in Hampstead, north London. More about Hayhurst and Co adds beach house-inspired extension to London residence
London studio Scott Architects has added a curvy timber extension to a terraced house in Hackney, featuring a bowed wall that cuts through the centre of a green roof (+ slideshow). More about Curvy timber extension by Scott Architects features a sloping grass roof
Narrow slices of glazing break up the plain white facade of this residential extension in west London by Guard Tillman Pollock Architects, helping to visually separate it from the existing house. More about House extension by Guard Tillman Pollock features vertical slices of glazing
Swiss firm Haberstroh Schneider Architekten has extended a house in Basel by adding a chain of three rooms, creating a new semi-enclosed courtyard that is filled with stepping stones (+ slideshow). More about House extension with stepping stones leading inside by Haberstroh Schneider Architekten
Paris studio Marchi Architectes layered up timber slats of different thicknesses and proportions to give an irregular texture to the walls of this sunken house extension in Normandy, France (+ slideshow). More about Blackened timber house extension hidden in the forest by Marchi Architectes
This extension to a woodland home in Ontario by Canadian studio UUfie features charred cedar walls and a mirrored entrance (+ slideshow). More about Lake Cottage with mirrored entrance by UUfie
London studio Denizen Works has overhauled a cottage in Scotland's Outer Hebrides by rebuilding the original structure and adding two extensions modelled on agricultural sheds (+ slideshow). More about House No.7 cottage and extensions on the Isle of Tiree by Denizen Works
A twisted angular roof oversails this extension to a suburban house in Melbourne by Australian architects March Studio (+ slideshow). More about Mullet House by March Studio
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A woodland landscape scene is hidden within a pattern of coloured polka dots on the exterior of this house extension in Moers, Germany, by Düsseldorf studio MCKNHM Architects (+ slideshow). More about CMYK House by MCKNHM Architects
London studio 6a Architects has extended the home of architecture critic Rowan Moore and his family by adding a timber structure that curves around a tree (+ slideshow). More about Tree House by 6a Architects
Ghent studio Open Y Office has extended a house in Belgium, adding a concrete structure that could also function as a standalone residence (+ slideshow). More about House Wiva by Open Y Office
This north London house extension by Lipton Plant Architects features a walk-on glass roof that can be accessed by climbing through a window (+ slideshow). More about Alwyne Place by Lipton Plant Architects
Architecture and interior design studio Project Orange have renovated and extended a home in central London to provide more practical spaces for a family that hosts a monthly dining club (+ slideshow). More about Eaton Terrace by Project Orange
Australian studio Edwards Moore has revamped a small brick house in Melbourne by adding a new storey and a translucent roof (+ slideshow). More about Lightbox House by Edwards Moore
Small windows scattered across the facade of this house extension outside Melbourne by Australian practice Wolveridge Architects limit the amount of direct sunlight entering the building (+ slideshow). More about Blairgowrie House by Wolveridge Architects