Munich-based architecture firm Holzrausch has completed a two-storey extension to a penthouse in Frankfurt, featuring open-plan living spaces that connect with a roof terrace overlooking the city. More about Holzrausch designs Frankfurt penthouse as a "roof garden in the middle of the city"
Local practice Bruzkus Greenberg has redesigned a penthouse apartment in Berlin, adding a blue-stained wooden core that contains key functions including the entrance and built-in banquette. More about Bruzkus Greenberg arranges compact apartment around multifunctional "blue box"
Promotion: from 4 to 10 May, Munich Creative Business Week is set to host its 15th annual festival around the city of Munich, which will feature exhibits, events and an all-day Design Summit. More about Munich Creative Business Week spotlights the "joy of creating"
Local studio Bruzkus Greenberg has designed a community co-working space in Berlin, filled with bespoke furniture created to shake off the impression of a branded showroom. More about Berlin co-working space offers "more than a boring desk"
Promotion: Chinese lighting brand OLL made its international debut at the Light + Building fair in Frankfurt, featuring a display pavilion by architecture practice OMA with a cloud-like appearance. More about OMA-designed installation forms backdrop for OLL lighting showcase
Wood, granite and stainless steel elements enrich the otherwise bare concrete interior of this cafe in Berlin, designed by Spanish firm Plantea Estudio. More about Plantea Estudio transforms austere concrete shell into Berlin's Acid cafe
Interior designer Rachael Gowdridge has transformed a 19th-century building in Berlin into The Dean hotel, combining historic features with bespoke details and vintage objects to lend the spaces an eclectic feel. More about Rachael Gowdridge avoids "generic hotel feel" in The Dean Berlin
An irregular concrete volume connects a cluster of historic half-timbered buildings to form the Mother-of-Pearl Experience Museum in Germany, designed by local studio Schulz und Schulz. More about Schulz und Schulz inserts concrete museum between traditional German buildings
Glass bricks and stainless steel characterise this apartment by Berghain designer Studio Karhard, renovated to capture the mood of Berlin's most famous nightclub. More about Berlin apartment designed to be "Berghain in a homely context"
A cork-clad DJ booth forms the centrepiece of this coffee shop in Hamburg, which its owner Vincent von Thien has designed to evoke the relaxing atmosphere of Japan's jazz cafes. More about Vincent von Thien designs Trader HiFi cafe as a "space that celebrates sound"
Local studio Andreas Schüring Architekten has completed Brick to Light, the renovation of a former barracks house in Germany that has transformed its mansard roof into a "glass lantern". More about "Glass lantern" roof tops barracks house conversion in Germany by Andreas Schüring Architekten
A cave-like ground floor accessible on all sides will be the focal point of this opera house, which architecture studio Snøhetta is designing for Düsseldorf, Germany. More about Snøhetta unveils plans for cavernous opera house in Düsseldorf
Architecture studio BIG has unveiled designs for a waterfront home for Hamburg State Opera, which will be enclosed by a series of interconnected terraces. More about BIG designs Hamburg State Opera as "landscape of concentric terraces"
Designer Malte Schütt has created a modular wooden sauna with a gridded facade and a planted roof that connects it to its green, garden setting. More about Malte Schütt creates prefabricated Kassette House sauna
Berlin-based studio Kéré Architecture has unveiled plans for an art and photography museum in Germany, which will feature an 80-metre-long rammed-earth wall and a timber pergola. More about Timber museum to be Kéré Architecture's first cultural project in Germany
The last building designed by the late Indian architect Balkrishna Doshi has reached completion at the Vitra Campus in Germany, with a snake-like form crafted from weathered steel. More about Doshi Retreat snakes through Vitra Campus in Germany
At this year's IAA Mobility motor show in Munich the spotlight was on electric vehicles, with brands including Audi and Porsche unveiling cars and concepts with features including inflatable headrests and induction charging. More about Five electric cars from IAA Mobility that are leading the design race
Classic furniture pieces and neutral colours are meant to give an ageless quality to this office in Cologne, courtesy of German architect Thomas Van den Valentyn and interior designer Johannes van Linn. More about Valentyns office in Cologne is "designed around a principle of timelessness"
Conversation pits in every suite and bathtubs that double as speakers are among the new additions to the 25hours Hotel Bikini Berlin as part of a renovation by Studio Aisslinger. More about Studio Aisslinger revamps Berlin hotel in city's "signature improvised style"
Architecture studio Zeller & Moye has created an office in Bochum, Germany, which includes numerous wooden planters, an indoor garden and a felt "walkable landscape". More about Zeller & Moye embed plants throughout German office