Fougeron Architecture overhauls Victorian townhouse in San Francisco
A vivid orange stairwell and a canted glass facade are among the modifications that US studio Fougeron Architecture has made to a century-old house in San Francisco. More
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HHF Architects adds pergola-like extension to traditional Swiss villa
This extension to an historic villa in the Swiss town of Arlesheim by Basel-based studio HHF Architects features an expressed steel frame intended to provide a contemporary counterpoint to the house's traditional architecture. More
Angular doors connect tapered extension with tiled patio by Mustard Architects
Mustard Architects has added this extension to an Edwardian house in west London, featuring a tapered plan that expands towards angular glazed doors set into its asymmetric gabled facade. More
Nick Deaver enlarges 1930s cottage in Austin with glass and metal additions
Nick Deaver Architects has added a corrugated metal extension to the rear of a bungalow in Texas, along with a new dining area with floor-to-ceiling windows. More
Studio Ben Allen adds pair of brick vaults to terraced house in York
Two arches made from handmade bricks form an extension at the rear of this Victorian terraced house in York by London practice Studio Ben Allen. More
Stark Architecture overhauls Whistler home with black cladding and monochrome interiors
Steel frames stand out against the white interior of this extended house in Whistler, where Canadian firm Stark Architecture has also updated the existing residence and clad the whole building in black. More
Sun Rain Rooms named London's best new house extension in Don't Move, Improve! 2018
A revamped Georgian townhouse with a patio that transforms into a reflecting pool has won top prize in a contest to find the best new house extensions in London. More
Skapa updates prefabricated Norwegian seafront house with glazed walls
Oslo-based architecture office Skapa has transformed a tired villa near the Norwegian capital into a contemporary home featuring full-height glazed walls that open up to views of the surrounding trees and seascape. More
Al-Jawad Pike uses pale, exposed materials to extend west London home
Pale brickwork, oak furnishings and terrazzo flooring combine in this light-filled extension to a Victorian house in London's Shepherd's Bush, designed by architecture studio Al-Jawad Pike. More
Dominic Pandolfini updates his century-old Melbourne home with huge zinc-clad extension
Architect Dominic Pandolfini has more than tripled the size of his once run-down home in Melbourne, by adding a contemporary extension clad with zinc. More
Glazed extension to Taiwan home by 5X Studio provides views of plants and the sky
This extension to a house in Taoyuan City, Taiwan, contains independent living spaces for two brothers, which are connected by a glazed corridor that traverses a narrow plant-lined courtyard. More
Tom Givone's Floating Farmhouse features a glazed waterside kitchen
Designer Tom Givone has overhauled a farmhouse in rural New York, with the addition of a glass-fronted extension overlooking a creek. More
Curved opening frames reflective pool in London house extension by Tonkin Liu
Rain can fall through a cut-out in the concave roof of this London house extension by Tonkin Liu, animating a shallow pool of water beneath. More
Klopf Architecture updates mid-century modern Eichler home in Silicon Valley
San Francisco studio Klopf Architecture has renovated and expanded a mid-century modern home in northern California that was built by pioneering post-war real-estate developer Joseph Eichler. More
Curvaceous extension by Tom Givone abuts farmhouse in Pennsylvania
Self-taught designer Tom Givone has extended a white house in rural America with a warped metal-clad addition that starkly contrasts the traditional architecture. More
Timber and textured-brick surfaces soften interior of extension by O'Sullivan Skoufoglou Architects
O'Sullivan Skoufoglou Architects has rearranged the ground floor of a Victorian terraced house in north London and introduced a material palette to the extended space that complements the original brick walls. More
Extension to Walter Segal's modernist London home is modelled on ruins
Jonathan Tuckey Design has revealed plans to extend the former home of Walter Segal with an addition like an "overgrown ruin", while Turner Prize-winning collective Assemble has designed a shed for the garden. More
Yellow Cloud Studio adds distinctive triangular extension to east London house
London-based practice Yellow Cloud Studio has designed a triangular-planned glass and plywood extension for a Victorian house in Hackney that makes a virtue of its awkward space. More
Post Office Architectes adds vaulted roof extension to Paris apartment for a photographer
Post Office Architectes has added a timber-lined barrel vaulted roof extension to an apartment in Paris, giving its owner an unobstructed view of the Eiffel Tower. More
Laura Ortín adds "aesthetically disobedient" extension to beachfront home in Spain
This faceted extension added to a holiday residence in Spain's Alicante region features plywood-lined interiors and a picture window angled to frame a view of a nearby watchtower. More