Studio Octopi has overhauled a terraced house in north London, adding an extension that features a three-storey-high window and a two-storey-high pivoting door. More about Extra-tall windows connect Studio Octopi's Slot House with its patio garden
Shanghai studio Neri&Hu has converted a former missile factory in Beijing into a car repair garage and offices with an industrial-style metal staircase, mesh cages and painted brickwork. More about Neri&Hu transforms Beijing missile factory into car workshop and office
Chinese firm Cun-Design has transformed a typical suburban house in Beijing into a film production studio featuring glass and pre-rusted steel extensions. More about Cun-Design converts Beijing house into film studio with weathering steel and glass extensions
A mid-century concrete structure in the heart of Mexico City has been renovated and extended to accommodate a contemporary art gallery. More about Riestra, Arnaud and Werz convert brutalist Mexico City building into OMR Gallery
Studio 304 has added a glazed bathroom to a London flat, featuring a sunken bathtub that offers Japanese-style bathing to its occupants. More about Sunken washroom by Studio 304 allows residents to bathe in a garden setting
Architects Nuno Melo Sousa and Hugo Ferreira have created a apartment block for holidaymakers in Porto, backing onto a steep granite cliff beside one of the city's most prominent bridges. More about Concrete apartments slot into cliff overlooking Porto's Dom Luís I Bridge
Govaert & Vanhoutte Architects has renovated and extended a former fort in West Flanders to create a home for an estate agent and his family. More about Govaert & Vanhoutte Architects transforms Belgian fort into home and guesthouse
Bloco Arquitetos has created an extra storey for a family home in Brasília by adding a stilted concrete structure that incorporates panels of perforated brickwork. More about Brick screens are set into framework of concrete columns and beams at Casa Grid
This house in Belgium has been overhauled for a couple of art and book collectors to include a wood-lined living space and plenty of cosy reading nooks. More about Rob Mols and Studio K update Belgian home with wood-lined garden room
A dormer window with a thick black frame offers views of the garden from this reading room, which is one of three new loft spaces created for a home in south-east London by A Small Studio. More about Victorian loft conversion by A Small Studio creates "relaxation oasis"
Architect Henri Bredenkamp has overhauled a London house once used as a teaching space by Goldsmiths university to create a light-filled home for his family. More about Henri Bredenkamp converts derelict university building into family home
US studio Desai Chia Architecture has overhauled a country home in Long Island, New York, and created an extension that is meant to be an "expressive counterpoint" to the main dwelling. More about Desai Chia adds pointy extension to cedar-clad cottage in the Hamptons
A geological-inspired addition to the Natural History museum in New York by US firm Studio Gang has received unanimous approval from the city's Landmarks Preservation Commission. More about Studio Gang's American Museum of Natural History extension moves forward
This extension to a day-care centre for disabled adults in the Swiss town of Stans has been kitted out with muted red awnings and spiralling pastel-tinged walkways. More about Disability support centre by Architekten CM features tinted concrete ramps and retractable awnings
The Natural History Museum in London has won planning permission for a major upgrade of its entrance areas, designed by Niall McLaughlin Architects and landscape firm Kim Wilkie. More about London's Natural History Museum set for major extension by Niall McLaughlin Architects
A huge, faceted glass volume sits on the roof of the new headquarters Zaha Hadid Architects has designed for Antwerp's Port Authority (slideshow). More about Zaha Hadid Architects sits rippling glass lump on top of Antwerp port building
Atelier Lame has added a steel-framed extension to an old stone house in a Parisian suburb, as part of a renovation that creates ample storage for an avid CD and record collector (+ slideshow). More about Steel and glass extension added to traditional stone house in Paris by Atelier Lame
Dezeen promotion: New London Architecture is now accepting entries for Don't Move, Improve! 2017, a competition to find the best house extensions in London. More about Call for entries to NLA's Don't Move, Improve! awards 2017
Architects office Studioplusthree has overhauled a traditional house in Sydney for a pair of musicians, adding a recycled-brick extension that features a projecting black steel awning. More about Dark-toned extension added to white Federation house in Sydney by Studioplusthree
Northern Ireland studio McGarry-Moon Architects has renovated a historic house in west London, and added a contemporary timber and concrete extension connected by a glass-lined corridor (+ slideshow). More about McGarry-Moon Architects updates Richmond Park gatehouse with contemporary extension