Chilean architect Felipe Alarcón Carreño has added an angled volume to the top of this small house in the city of Linares to raise the ceiling and create a brighter, more spacious interior. More about Protruding roof offers skyward views at renovated Chilean home by Felipe Alarcón Carreño
This extension to a 1930s bungalow in suburban Sydney features glass walls, protruding box windows and decorative brickwork that pays tribute to the building's heritage. More about Tribe Studio builds Sydney house extension featuring "brick sunburst"
Appareil Architecture entirely renovated this Montreal duplex to restore existing elements of the structure, extend the home with an additional floor, and bring more light to the interiors. More about Appareil Architecture combines two Montreal flats to create single-family home
Boston architecture firm NADAAA has remodelled a 1920s Washington DC residence by extending the attic, adding large windows, and using plywood sheets to arrange the internal layout. More about NADAAA overhauls brick house in Washington DC with ample glazing and a plywood interior
A spiralling steel staircase connects the living spaces inside this timber and glass extension to a semi-detached property in Hackney, north London. More about Steel-wrapped staircase winds through Hackney extension by Cousins & Cousins
Benn + Penna Architecture has renovated and extended a dilapidated terrace in Sydney's eastern suburbs, creating a new kitchen with a long counter that continues into a planted courtyard. More about Worktop extends from kitchen to garden in Sydney residence by Benn + Penna Architecture
Sydney architecture studio CO-AP has renovated and extended a typical suburban home in the Australian city, adding a two-storey concrete structure that opens onto a garden at the rear. More about CO-AP adds contemporary concrete and glass extension to Sydney home
Simon Astridge has used pigmented concrete to create the pink facade of this extension to a north London house, accenting the warm-toned colours found in the existing brick walls. More about Simon Astridge adds dusty-pink concrete extension to north London house
Lipton Plant Architects has updated a 1970s house in Berkshire, England, with a small two-storey extension, featuring a concealed brick-patterned door and windows with bright orange frames. More about Lipton Plant's Ugly House is a 1970s property with a black and orange extension
Adam Kane Architects has added a garage and painting studio to a house in the Australian state of Victoria, which features pitched corrugated-metal roofs, cement walls and pared-back interiors. More about Adam Kane Architects adds gabled art studio and gallery to Australian home
This home in the woods of Wisconsin was originally built as a single, open-plan volume by Salmela Architect, and subsequently extended on three occasions to fit its occupants needs. More about Salmela builds Wisconsin residence in four separate phases over time
Fed up with all the "McMansions" springing up along Australia's Great Ocean Road, Austin Maynard Architects has restored an old beach shack and built a second, elevated building alongside it. More about Glasshouse on stilts by Austin Maynard Architects extends Australian beach shack
The winner of 2017's Don't Move, Improve! awards has just been announced, so we're taking a moment to dwell on London house extensions. These 10 from Dezeen's Pinterest boards are our most pinned. More about 10 of the best London house extensions from Dezeen's Pinterest boards
A garden room containing a sunken Japanese-style bath has won top prize in a competition to find London's best new house extensions. More about Sunken Bath Project named London's best new house extension in Don't Move, Improve! 2017
A plywood box hosts the kitchen and staircase in this minimal maisonette in Islington, which has been reconfigured and extended by local architect Larissa Johnston. More about Larissa Johnston arranges minimal London home around plywood box
Inbetween Architecture's founder John Liu added this gabled extension to his home in suburban Melbourne, creating a new entrance that leads straight through to a garden at the rear. More about Gabled extension improves connection between Melbourne house and its mature garden
Coarse concrete walls contrast transparent glazing in this extension designed by Paul Archer Design to create a light-filled kitchen and dining room for a north London house. More about Paul Archer uses board-marked concrete and glass for London house extension
Slats of larch dress this angular addition to a Victorian property in Dalston, which was built for a young family and is shortlisted in 2017's Don't Move, Improve! competition for best London house extension. More about Pamphilon Architects' larch-clad extension echoes butterfly roof of east London terrace
Canadian firm Naturehumaine has renovated and extended a 1920s residential building in Montreal, adding a white-clad upper level to the old brick structure. More about Naturehumaine upgrades Montreal residences with new brickwork and a white roof extension
Californian firm AJ-A has extended an adobe brick residence from the 1940s, contrasting the rustic material with pared-down finishes and minimalist geometry. More about AJ-A gives Palo Alto home extension an all-white exterior