Jamie Fobert Architects has completed a cliffside extension to the Tate St Ives in Cornwall, southwest England, which includes an underground gallery, a rooftop garden and ceramic cladding that mirrors the hues of the sea. More
This extension to the roof of a Brussels apartment block by local studio Notan Office features a fireplace that takes its cues from the work of modernist architect and designer Alvar Aalto. More
Atelier Pierre Thibault has restored and enlarged an early 19th-century home in Montreal, creating two separate libraries and a writing studio overlooking a river. More
Austin-based architect Tom Hurt has extended the back of a ranch house using a series of stacked units and wooden interiors to form a multi-storey living space. More
Brooklyn-based Office of Architecture has completely gutted and expanded a local row house for an architect, jewellery designer and their two children. More
Italian studio Pedevilla Architects has completed an extension to a traditional Alpine hotel, comprising a monolithic blackened-timber volume with windows that jut from the walls and roof to optimise mountain views. More
A pointy black entrance building has been added to the historic dockyards of Chatham, England, as part of a major expansion of the local nautical museum – one of six projects in the running for this year's Stirling Prize. More
A climbing wall, a study and a bedroom are all contained within this Brisbane house extension, designed by Phorm Architecture + Design to be reminiscent of a treehouse. More
New York firm EL Studio has placed a contemporary box-shaped extension on top of this suburban home in Maryland to more than double its size. More
William Tozer Associates has overhauled a Victorian terraced house in north London, introducing a white, modern living area that faces out onto a neighbouring brutalist estate. More
Architecture studio Elding Oscarson has added a Corten steel extension to the Skissernas Museum in Lund, Sweden, designed to open the building up to the adjacent sculpture park. More
London studio Amin Taha Architects has updated a 1950s terraced house in the city's Bayswater neighbourhood, adding a basement level topped with a rugged concrete soffit and a lightwell set into a courtyard garden. More
Architecture studio Bergmeisterwolf has completed an extension to a house on the shores of Italy's Lake Garda, featuring glazed walls that disappear into the ground to open the living area up to the garden. More
Steel mesh curtains can be lifted to offer glimpses of performances inside this traditional music centre designed by Office Kersten Geers David Van Severen for Muharraq Island in Bahrain. More
London firm Stanton Williams has renovated and extended the Musée d'arts de Nantes, adding a series of extensions including a monolithic structure wrapped in stone and translucent marble to the Beaux-Arts building. More
The gothic-revival chapel at the University of Winchester, England, has been "returned to its former glory", following a renovation and extension by local architecture studio Design Engine. More
Three stacked cuboids covered in strips of dark-stained wood form this extension to a 1930s house in Ljubljana by Slovenian firm OFIS Arhitekti. More
Ming Gu Design has grafted a glazed meditation area onto this historic home in Nanjing, China, which projects out to overhang a central courtyard. More
Diller Scofidio + Renfro has completed the first stage of its renovation of New York's Museum of Modern Art, and has revealed details of its plans to extend into Jean Nouvel's 53W53 residential tower. More
To subtly extend a traditional Provençal farmhouse on the French Riviera, Ellena Mehl Architects has nestled a connecting building with stone and glass facades into a stepped hillside. More