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
A frameless glass roof panel connects with a window to allow natural light to flood this extension added to the rear of a Victorian house in east London by The D*Haus Company. More about Giant pivoting door connects Columbia Road extension to secluded rear courtyard
This extension to a cottage in a Dublin suburb by Irish studio Arigho Larmour Wheeler features an asymmetric pyramidal roof, which is sliced off at the top to incorporate a roof light that illuminates an open-plan living area. More about Vaulted zinc roof tops extension to coastal house in Dublin by Arigho Larmour Wheeler
American architect Craig McMahon has renovated and expanded a residence on a compact lot in San Antonio, Texas, to comfortably accommodate his family of three. More about Craig McMahon renovates concrete bungalow in San Antonio for his family
British studio Ström Architects designed this timber-clad annex to house a bar and games room for a home in England's New Forest he completed seven years ago. More about Magnus Ström models gabled annex for Hampshire home on "rustic boutique hotel"
"Matter-of-fact" materials such as concrete, brick, and timber in muted tones have been used to create this extension to a family home in Stoke Newington, north London. More about Al-Jawad Pike combines brick, concrete and timber for restrained London home extension
Architect Laura Dewe Mathews has added a staggered red brick extension to a London house, as part of a renovation that involved creating spaces for the clients' various hobbies. More about Laura Dewe Mathews creates spaces for birdwatching and painting in London home of a retired couple