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
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
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
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
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
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
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
This extension to a woodland home in Ontario by Canadian studio UUfie features charred cedar walls and a mirrored entrance (+ slideshow). More
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
A twisted angular roof oversails this extension to a suburban house in Melbourne by Australian architects March Studio (+ slideshow). More
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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
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
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
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
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
Australian studio Edwards Moore has revamped a small brick house in Melbourne by adding a new storey and a translucent roof (+ slideshow). More
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
Terracotta tiles resembling brickwork cover parts of this house extension in Dublin by Irish practice GKMP Architects (+ slideshow). More
This slatted structure by architects Plasma Studio looks like it's crawling over an apartment building in the Italian Dolomites (+ slideshow). More