A brick water tower now stands at the entrance to this 1980s bungalow in Santa Fe, Argentina, which has been remodelled and extended by local firm Biagioni Pecorari Arquitectos (+ slideshow). More about Biagioni Pecorari adds brick water tower to remodelled house in Argentina
Australian firm Cox Architecture has extended a house in the capital city, Canberra, with a lightweight glass and steel conservatory (+ slideshow). More about Cox Architecture adds steel and glass conservatory to 1920s house in Canberra
Architect Christian Froggatt has added a frameless glass and timber extension to the side of his 1950s home in Reigate, England, to house the offices of his expanding studio. More about CF Architects builds its own timber and glass office on the side of a mid-century home
This white concrete extension has been added to the roof of an old apartment block in the Austrian city of Innsbruck, providing extra rooms and a roof terrace with panoramic views (+ slideshow). More about Daniel Fügenschuh adds white concrete loft to a 20th-century apartment block in Austria
This artists' home in Dalston has been updated with a yellow-framed kitchen extension in the back garden and a traditional glass and timber "shopfront". More about PriceGore adds a yellow-framed extension to an east-London artist's home
The two elongated wings that make up this extension to an Australian farmhouse are set into the side of a hill, connected by a stairwell that offer views straight through its middle (+ slideshow). More about Honeyman + Smith Architects adds a hillside-hugging extension to an Australian farmhouse
Singapore-based Ministry of Design has used a 100-year-old colonial building in Malaysia as a "cookie cutter" for a contemporary extension featuring the same profile and materials (+ slideshow). More about Ministry of Design adds contemporary extension to century-old Malaysian heritage building
A concrete floor merges with seating inside and outside this rusted steel and glass extension to a Victorian-style house in west London, designed by local architecture studio McLaren Excell (+ slideshow). More about McLaren Excell adds a weathered-steel and concrete extension to a London house
A doll's house provided the inspiration for this extension to a house outside Melbourne, which features a gabled profile, a simple gridded layout and a transparent rear facade (+ slideshow). More about Gabled extension by BKK Architects borrows the form of a doll's house
Paris studio CUT Architectures has returned to the house it extended in 2011 to create a glazed study featuring a yellow staircase that integrates a desk (+ slideshow). More about CUT Architectures adds a second concrete-framed extension to a French home
Rotterdam architect Antonia Reif has renovated and extended a modest 1960s bungalow, creating a two-storey living room and a generous bedroom that both open out to the garden (+ slideshow). More about Antonia Reif adds an inconspicuous extension to a 1960s Rotterdam bungalow
A sliver of glazing stretches all the way up from the ground to the roof of this extension to a west London house, which is named The Lantern in reference to the way it glows at night (+ slideshow). More about Fraher Architects completes an extension with a window that stretches up to the roof
This extension to a home in Kortrijk, Belgium, was added by local architect Steven Vandenborre to wrap around the property's outdoor swimming pool (+ slideshow). More about Concrete and glass extension to Belgian house shelters a poolside patio
A cluster of glass pavilions positioned around the base of this existing Melbourne house open onto terraces that are sheltered by a copper-edged canopy (+ slideshow). More about B.E. Architecture adds gridded glass rooms to a Melbourne residence
Pre-rusted steel clads this L-shaped extension to a farmhouse in rural Canada, giving the block a burnt orange colouring that complements the red brickwork of its neighbour (+ slideshow). More about Superkül extends Canadian farmhouse with rusty Corten-clad block
This concrete pod with faceted sides and a glass facade is perched up over a courtyard, creating an extension to a house in Mexico that doesn't compromise its existing outdoor spaces (+ slideshow). More about Faceted concrete capsule by Noborders Collective extends a Mexican residence
Melbourne studio Make Architecture has renovated a red brick bungalow outside the city, adding an extension featuring a decorative timber facade that references brickwork patterns (+ slideshow). More about Make Architecture adds perforated wooden facade to renovated and extended Melbourne house
Danish firm Henning Larsen Architects has been selected to design a new branch of one of Sweden's most important art galleries, which will form an extension of a century-old regional museum in Östersund. More about Henning Larsen Architects to design outpost for Swedish National Museum
This London house extension features a red brick exterior thought to look like a profile of a fox and a multi-hued interior that references Adolf Loos' Modernist houses of the 1920s (+ slideshow). More about David Kohn's Sanderson House extension conceived as a fox in the garden
This blackened plywood box added by architect Antonin Ziegler to one end of a rural home on France's northern coast provides a private library and garage for its inhabitants (+ slideshow). More about Blackened timber reading room extends a coastal home in northern France