American practice CCY Architects has renovated and extended a house dating from the 1880s in Aspen, Colorado, adding a music room with a piano-themed perforated metal facade. More
Gartnerfuglen Arkitekter has built a wooden cabin in Telemark, Norway, which has an accessible stepped roof that doubles as a viewpoint and winter ski jump. More
Annabelle Tugby Architects has created its own design studio by renovating and extending a semi-derelict joinery workshop in a cow field in Cheshire, UK. More
A glass and steel dome modelled on the shape of a turtle shell rises from the top of a historic building in New York City's Union Square to pay homage to an indigenous group that settled in the area. More
Architecture studio Morris + Company has designed an extension for the self-built home of Walter Segal in north London that is "a direct homage" to the architect's body of work. More
Aurora Arquitectos has united two classroom blocks at the Artave music school in the village of Caldas da Saúde, Portugal, with a bright yellow extension and stair tower. More
Szczepaniak Astridge has added a rooftop extension to Leaf House, a terrace in south London for architectural photographer Edmund Sumner and writer Yuki Sumner. More
The two-floor extension that Studio Bright has added to this Edwardian family home in Melbourne includes fun features like a theatre-style sitting room and a pool that resembles a Roman bath. More
Reflected greenery shrouds the mirrored extension that architecture practice Delavegacanolasso added to house in Madrid, which occupies a disused art studio. More
Architecture studio Alma-nac has extended and added a second grey-brick skin to a 1950s property in Brockley, south London to create a contemporary family home. More
Architect Lalo Carrillo worked with firms Colombo and Serboli Architecture and SY Arquitectos to design this guesthouse for his family in Córdoba, Argentina. More
Museum de Lakenhal, a 375-year-old building in the Dutch town of Leiden, has been given a contemporary extension and redesign by Happel Cornelisse Verhoeven and Julian Harrap Architects. More
Oliver Chapman Architects has added a garden room to a house in Edinburgh, combining an Arts and Crafts approach with smart-home technologies. More
Architect Bruno Stevens has added a sunken slate-clad ceramics studio to a house on a sloping site in Belgium. More
Will Gamble Architects has updated a house in west London with an extension modelled on a Japanese tea house. More
California architect Juan Saez Pedraja has added a studio fronted with aluminium panels and cedar shades to the backyard of a remodelled Santa Monica residence. More
A school from the 1960s in Torino, Italy, has been updated with a pink steel and adobe plaster extension designed by architecture studio BDR Bureau. More
A large concrete arch frames new living and dining spaces in this Kuala Lumpur house extension by Malaysian architect Fabian Tan. More
Portuguese studio Site Specific Arquitectura has renovated a 1950s school in Lisbon and added a dual-level extension with round openings connecting its outdoor spaces. More
Mexican architect Delfino Lozano has turned a family home in Guadalajara into four apartments detailed with blue-painted beams and arched doorways. More
