Corrugated aluminium clads this extension to a house in Nantes, France, by local studio Mabire-Reich, which also boasts a decked terrace covering its entire roof (+ slideshow). More about Mabire-Reich's Landscape House features metal walls and a sloping roof terrace
Residential extensions in London have been popular with our readers recently, following this year's Don't Move Improve! awards. Visit our new Pinterest board for a selection of the best, including a sunken glass box, a yellow-framed"shopfront" and a black timber structure featuring a walkway for cats.
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More about London's best house extensions feature on Dezeen's new Pinterest board
A wooden boardwalk leads inside this timber-clad gym and spa building, designed by MacKay-Lyons Sweetapple Architects to accompany a residence on Nova Scotia's Atlantic coast (+ slideshow). More about MacKay-Lyons Sweetapple adds timber-clad spa to its House 22 in Nova Scotia
Curving vaults create a scalloped roofline for this red brick house extension completed by Barcelona studio Mesura in Alicante, Spain (+ slideshow). More about Mesura adds red brick extension with scalloped roofline to Alicante residence
A floor that doubles as a toy box and a vivid yellow bathtub both feature inside this remodelled Melbourne house by local studio Austin Maynard Architects (+ slideshow). More about Revamped Melbourne house hides a giant toy box under its floors
Texas architecture firm AlterStudio has turned an Austin bungalow into a three-bedroom home with a black timber extension connected by a glass corridor (+ slideshow). More about AlterStudio adds black-stained angular extension to renovated 1920s bungalow in Texas
A south London residence updated with new living spaces, custom-built furniture and a two-storey lightwell has been named winner in a competition to find London's best house extensions (+ slideshow). More about London's best new house extensions revealed in Don't Move, Improve! 2016 awards
This wood-panelled extension by a pair of Swedish architecture studios echoes the design of the 19th-century villa that it adjoins (+ slideshow). More about Kod Arkitekter and General Architecture add wood-panelled extension to Swedish villa
Buenos Aires studio Adamo-Faiden has refurbished a local 1970s townhouse and constructed a huge glazed enclosure at the back. More about Adamo-Faiden adds giant conservatory to updated Buenos Aires townhouse
Australian studio Those Architects has overhauled a house in a beachside Sydney suburb, creating a spacious new living room featuring secret storage, concrete surfaces and a pivoting garden window (+ slideshow). More about Those Architects transforms small Sydney bungalow into spacious courtyard home
Puzzles Architecture designed this weathering-steel extension for a barn in Belgium, converting it into an annex for the adjacent 18th-century farmhouse (+ slideshow). More about Puzzles Architecture adds rusty steel extension to an old Belgian barn
A zigzagging concrete screen separates this refurbished toll house in the Dutch city of Zaltbommel with a living room extension designed by architecture studio Bekkering Adams (+ slideshow). More about Bekkering Adams adds concrete extension to a traditional Dutch toll house
London studio Archmongers has remodelled and extended a 1960s terrace house in the city, refreshing the facade with glazed tiles similar to those found on London's tube stations (+ slideshow). More about Archmongers revamps 1960s London terrace using glazed tiles and an elaborate staircase
A concrete window seat, geometric tiles and a storage wall made of wooden boxes feature inside this east London house that has been renovated and extended by local studio Mustard Architects (+ slideshow). More about Mustard Architects exploits corners and crevices in Nook House renovation
Australian architect David Boyle chose recycled brick for this renovation and extension of a psychologist's house in Sydney, which creates a double-height living room, a mezzanine bedroom and a home office (+ slideshow). More about David Boyle uses reclaimed brick to build extension to a Sydney terrace
Columns and struts modelled on tree trunks and branches frame this extension to a home in Ghent, designed by Atelier Vens Vanbelle to feel like a continuation of the garden. More about Tree-like columns support roof of Ghent house extension by Atelier Vens Vanbelle
Beams supporting the rear extension of this Victorian house in west London are painted vivid red to create a bold contrast with the property's traditional interior. More about Tigg Coll Architects integrates bright-red steel frame in London house extension
A bedroom at this remodelled and extended house in Porto, Portugal, has been wrapped in cork to shield it from the noise of a nearby school playground (+ slideshow). More about ATKA Arquitectos uses cork cladding to minimise noise inside Casa Bonjardim
Chris Dyson Architects has replaced the rear of a Victorian house in east London with a two-storey extension clad in charred cedar (+ slideshow). More about Chris Dyson Architects adds two blackened-wood extensions to a London terraced house
A floating window seat, a sunken roof terrace and a basement cinema room feature among the 33 projects shortlisted for Don't Move, Improve 2016 – a competition to find London's best home extensions (+ slideshow). More about London's best new extensions revealed in shortlist for Don't Move, Improve 2016 awards