Designer Tom Givone has overhauled a farmhouse in rural New York, with the addition of a glass-fronted extension overlooking a creek. More about Tom Givone's Floating Farmhouse features a glazed waterside kitchen
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 about Curved opening frames reflective pool in London house extension by Tonkin Liu
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 about Klopf Architecture updates mid-century modern Eichler home in Silicon Valley
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 about Curvaceous extension by Tom Givone abuts farmhouse in Pennsylvania
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 about Timber and textured-brick surfaces soften interior of extension by O'Sullivan Skoufoglou Architects
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 about Extension to Walter Segal's modernist London home is modelled on ruins
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 about Yellow Cloud Studio adds distinctive triangular extension to east London house
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 about Post Office Architectes adds vaulted roof extension to Paris apartment for a photographer
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 about Laura Ortín adds "aesthetically disobedient" extension to beachfront home in Spain
A timber-lined loft renovation, a seven-square-metre extension and a triangular room feature among the 30 projects shortlisted in a competition to find London's best home extensions. More about London's best new house extensions revealed in Don't Move, Improve! 2018 shortlist
Rural Office for Architecture used locally available materials and a single russet hue to ensure this cluster of service buildings and a rear extension to a smallholding in mid Wales fit in with their agrarian setting. More about Rural Office for Architecture adds row of red gabled sheds to rural Welsh property
The founder of MW Architects used black-blue engineering bricks to add an extension of just seven square metres to his renovated London home. More about Matthew Wood adds seven-square-metre extension to his small London home
Canadian architect Natalie Dionne has attached a geometric extension onto the back of a brick townhouse in Montreal, to include more space in the kitchen and a balcony for the master bedroom. More about Natalie Dionne extends Montreal residence using offset black boxes
Canadian studio Naturehumaine has extended a house in Montreal to create a family living area and an elevated master bedroom, which are all encased in a large grey frame that offers privacy from neighbours. More about Angular frame juts over Montreal house extension by Naturehumaine
Mexican architecture studio Productora has attached a two-storey steel unit onto the back of a bungalow in California to add more living space. More about Productora adds steel-frame extension to pink bungalow in Los Angeles
Architect Curro Checa Romero has refurbished and extended a 1980s house in east London, more than doubling its interior dimensions and creating a series of light-filled spaces with an improved connection to the rear garden. More about Checa Romero Architects "makes the most" of small brick house by extending in every direction
Traces of the original architecture are incorporated throughout this renovated Victorian house in south London, which Fraher Architects updated with a new staircase that creates multipurpose landings on each level. More about Etch House by Fraher Architects contains clues about its previous layout
This revamp of a family home in west London features a loft extension covered in scale-like wooden shingles, yellow-framed arch windows, and interiors that use colour to separate spaces for adults and children. More about Office S&M uses scale-like tiles and vibrant colours to add personality to London house
O'Sullivan Skoufoglou Architects has extended a typical terraced home in northwest London, by adding a new timber-lined room that opens onto a brick-paved garden. More about O'Sullivan Skoufoglou Architects adds "simple, warm and characterful" extension to London house
Montreal architect Anik Péloquin has built an angular extension to a quaint cottage in Canada, with an off-kilter roof and white-washed interiors. More about Anik Péloquin creates contemporary addition for historic cottage in rural Quebec