A band of limestone separates old and new at Fohlenweg, a house in Berlin that London studio O'Sullivan Skoufoglou Architects created using the walls of an existing bungalow. More
Architecture practice Studio Bright used patterned breeze blocks to wrap Garden Tower House, an extension in Australia, which peeks out from behind the restored frontage of a workers' cottage. More
American firm Studio of Metropolitan Design Architects has renovated a stone Tudor Revival house and added a pavilion-like concrete extension in Wilmington, Delaware. More
Jonathan Tuckey Design has renovated a former farmstead in northern Italy, restoring and extending a cluster of 19th-century stone buildings to create Cascina, a new home and studio. More
Architecture studio WXCA has extended the Polish Army Museum in Warsaw, adding a low-lying wing with coloured-concrete walls that are imprinted with chevrons. More
Two angular glasshouses for dining and food growth feature at Steirereck am Pogusch, a restaurant that Viennese studio PPAG Architects has extended and renovated in Austria. More
A sunken living room and decorative red tiles define this residential extension, which architecture studio Bureau de Change has added to Clay House in East Finchley, London. More
A 124-year-old Brooklyn townhouse has received an extension by local studio TBo that provides space for a multi-generational family and creates "gentle oppositions" between the old and new architecture. More
Chinese studio Mix Architecture has turned a disused 1950s factory into an updated office and public park in Nanjing, China. More
Football club Manchester City has won approval to redevelop a stand at its stadium in Manchester, UK, to increase capacity while adding a museum and hotel. More
Irish studio Scullion Architects took visual cues from a nearby public square when designing a timber-clad extension for Vavasour House, a brick home in Dublin. More
Using a combination of copper, larch and structural insulated panels, architecture firm Whittaker Parsons has added an additional storey to a contemporary mews house in Stoke Newington to house a bedroom suite. More
Australian practice Grotto Studio has added a charred-timber extension named Shadow House to a bright cottage in Perth. More
London studio ConForm has added a marble side extension to a Victorian terraced house in Hampstead, London. More
Czech studio Atelier-r has refreshed the Red Church in Olomouc, the Czech Republic, adding an angular matte-black extension and public spaces informed by neo-gothic design. More
Mjölk Architekti aimed to embed Montessori ideals of learning through play and self-determined activity in this nursery extension in Jablonec nad Nisou, Czech Republic. More
Architecture firm Make and interior design practice BAR Studio have converted Sydney's heritage-listed Department of Education building into the latest outpost from Capella Hotels. More
A sweeping roof inspired by the mountain skyline of the Alps defines a hillside extension to the Olympic Spa Hotel by Network of Architecture. More
The New York office of architecture studio OMA has completed its renovation of Tiffany & Co's flagship store in Manhattan, adding a three-storey glass extension to the historic jewellery store. More
Interior design studio The Mint List has brought light, space and warmth to this Edwardian house in London with multiple extensions, a hidden playroom and plenty of tactile materials. More