This concrete extension to a traditional cottage in Ireland's County Kerry was treated with iron oxide to give it a russet hue that complements colours found in the surrounding landscape. More about Urban Agency completes pigmented-concrete extension alongside Irish cottage
This extension to a Canadian cottage by Montreal studio ACDF Architecture echoes the traditional language of the original home, but executed with contemporary geometry and finishes. More about Lakeside cottage extension by ACDF takes cues from traditional neighbour
Architecture firm In Situ Studio needed to overcome rotting trim and crumbling brick mortar to renovate and slightly enlarge an American foursquare-style dwelling that had fallen into shambles. More about In Situ Studio revitalises dilapidated brick Nolintha Residence in North Carolina
A large porthole-like window punctures the white-brick facade of this extension to a terraced house in north London, designed by Simon Astridge. More about Simon Astridge adds white-brick extension to refurbished Victorian house
Texas studio Matt Fajkus Architecture used wood, stucco and glass to form an extension to a 1960s dwelling on a sloped site overlooking a creek. More about Matt Fajkus creates office addition for mid-century Austin home
Australian studio Taylor Knights has linked a house in Melbourne to its garden with a modest brick extension, and taken subtle cues for its interiors from the colours in an abstract painting by Wassily Kandinsky. More about Taylor Knights opens up garden views at Melbourne home with glass-fronted extension
California studio Edmonds + Lee has refurbished and expanded a gabled-roof dwelling in San Francisco, transforming rooms into light-filled spaces with wood flooring and minimalist decor. More about Edmonds + Lee overhauls slender Victorian home in San Francisco
UK architecture office Eckford Chong has renovated and extended an end-of-terrace property in east London, adding a garden studio that evokes traditional Japanese tea houses. More about Eckford Chong adds blackened-timber garden studio to refurbished London house
Expanding a remodelled bungalow in Los Angeles and connecting it to an adjacent commercial building has allowed architect Martin Fenlon to create more living spaces for his family and offices for his studio. More about Martin Fenlon completes expansion of his own Los Angeles home and studio
Architecture studio Ritz&Ghougassian has extended a traditional Melbourne house, using a minimal material palette that sees blockwork walls left exposed both inside and out. More about Masonry walls enclose courtyards and living spaces at Ritz&Ghougassian's Melbourne extension
Barker Freeman Design Office has completed the renovation of a townhouse in Brooklyn, demolishing some sections and adding others to make better use of the space. More about BFDO adds extensions and skylights to Brooklyn townhouse
Optical illusions including a trompe l'oeil painting and mirrored walls alter the perception of space inside this extension to a south London house by architect Sean Griffiths. More about Sean Griffiths uses visual trickery inside London house extension
Jon Danielsen Aarhus has designed a gabled shed to accommodate the hobbies of a recently retired couple in Lillehammer, Norway. More about Timber shed gives retired couple room to paint, garden and have friends to stay
A new bedroom wing and an opened-up entertaining area are among the modifications that US studio Joel Sanders Architect has made to a 1950s house in New England. More about Joel Sanders updates mid-century-modern home on verdant site in Connecticut
The contemporary extension that Kaplan Thompson Architects has added to a traditional home in Maine is linked to the original structure by a bright yellow volume. More about Kaplan Thompson Architects completes angular extension to rural Maine residence
Dark timber cladding applied to the exterior of this extension to a London flat by Hayhurst and Co contrasts the white-oiled boards that line the kitchen and dining space within. More about Hayhurst and Co adds charred-timber extension to basement flat in north London
US firm Wittman Estes has added a studio building and a Chinese-inspired courtyard to an existing residence in a dense neighbourhood, aiming to show how to maximise an urban lot. More about Seattle garden studio by Wittman Estes offers model for "courtyard urbanism"
Belgian practice Steven Vandenborre has added this annex to the rear of a family dwelling in Ghent, employing abundant glazing to frame garden scenes. More about Steven Vandenborre creates light-filled extension for Ghent home
A slide and bright yellow ladder are among the playful interventions employed by Alter & Company in its modernisation of a farm in Surrey, England. More about Alter & Company creates playful extension to historic farm cottage
A sliver of glazing separates a white house in Stuttgart from this black extension Holzer Architekten designed to create additional living spaces with plentiful garden views for its owners. More about Holzer Architekten adds black extension to 1920s house in Stuttgart