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
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SelgasCano adds roof extension with pools and plants to Second Home offices in London
Spanish practice SelgasCano has extended the roof of the Second Home offices in east London, creating five studios with winding desks, and a terrace with a serpentine border of aquatic planting. More
Geometric forms and embossed details recall historic predecessors at Spanish psychiatric facility
A team of Spanish architects has modernised a 19th-century psychiatric centre in the city of Pamplona by adding a series of structures with gabled profiles that reference the forms of the existing buildings. 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
London's best new house extensions revealed in Don't Move, Improve! 2018 shortlist
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
Foster + Partners to add "missing piece" to Rogers' Marseille airport extension
Foster + Partners has unveiled plans to add a glazed terminal building to Marseille Provence Airport, which will link the 1990s extension designed by Richard Rogers with the original 1960s building. More
UNStudio plans extension to Georgia airport just four years after completing it
Dutch firm UNStudio has unveiled plans for a "user-oriented" extension to its Kutaisi International Airport terminal in Georgia, featuring a rooftop plaza. More
Matthew Wood adds seven-square-metre extension to his small London home
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
Natalie Dionne extends Montreal residence using offset black boxes
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
Angular frame juts over Montreal house extension by Naturehumaine
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
Checa Romero Architects "makes the most" of small brick house by extending in every direction
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
Krft adds two-tone brick theatre to Singer Laren museum
Amsterdam studio Krft has updated and extended a museum and cultural complex in the Dutch town of Laren, adding a new brick-clad theatre and a glazed foyer wrapped in a "curtain" of slatted timber. More
Office S&M uses scale-like tiles and vibrant colours to add personality to London house
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
O'Sullivan Skoufoglou Architects adds "simple, warm and characterful" extension 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
SHoP extends Santa Fe art gallery with folded aluminium corner
For the renovation of contemporary art gallery SITE Santa Fe, New York-based SHoP Architects has added a pair of pointed courtyards wrapped with diamond-patterned perforated aluminium. More
School extension by DSDHA features rough-edged timber cladding and outdoor learning spaces
This new building added to a school in the English town of Beaconsfield by London architecture office DSDHA flanks a tree-lined playground and is clad in waney-edged timber to give it a natural appearance. More
Laura Dewe Mathews creates spaces for birdwatching and painting in London home of a retired couple
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
Pre-cast concrete staircase forms centrepiece of basement extension by Studio Octopi
This south London house extension by Studio Octopi features a pre-cast concrete staircase that had to be craned into position.
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Black House is a duplex apartment above a converted Victorian warehouse in Hackney
Simon Conder Associates has placed a prefabricated, black-stained timber extension on top of a former warehouse in east London, creating a new home for the designers whose studio occupies the old building. More
Lille school extension by LT2A features porthole-like windows and golden details
Architecture studio LT2A has added a brick extension to a school near Lille, featuring an entrance sheltered by an anodised-aluminium canopy, and circular windows that provide glimpses of courtyard gardens. More