Chicago Architecture Biennial 2015: An installation by the German firm Kuehn Malvezzi portrays its design for a religious building in Berlin that would contain a synagogue, church and mosque – all under one roof. More about Kuehn Malvezzi's House of One installation represents a house of prayer for three religions
Berlin architect Volker Staab has won a competition to extend the Bauhaus archive and museum in the German capital, designed by founder Walter Gropius in the 1960s. More about Staab Architekten chosen to extend Berlin's Bauhaus-Archiv with "almost frail" design
Ladders provide access to mezzanine sleeping areas in rooms at this student residence within a former car-radio button factory in Berlin's Kreuzberg district (+ slideshow). More about Macro Sea converts Berlin factory into student residences
The apartments in this new Berlin co-housing project by Zanderroth Architekten were designed without the need for load-bearing walls inside, giving the owners flexibility to decide on their own layouts (+ slideshow). More about Zanderroth Architekten designs cb19 apartments without internal walls to create flexible layouts
Berlin architecture firm Atheorem has used dark grey curtains and metallic fixtures to update an apartment that dates back to the late 1800s in the city's Mitte district. More about Atheorem refurbishes compact apartment in Berlin's Mitte district
Interior designer Sarah Van Peteghem has added greyscale furnishings, fabrics and accessories sourced from both contemporary brands and antique stores to this minimal apartment in Berlin (+ slideshow). More about Sarah Van Peteghem furnishes Berlin apartment with vintage Danish seats
Hidden behind a bookcase in a secret room, a fireman's pole offers a fast escape route from the top floor of this Berlin home by local studio NOWlab (+ slideshow). More about Berlin apartment by NOWlab features a spiral staircase and a fireman's pole
Zurich-based artist Jeremie Maret has built a small see-through tower in Berlin and invited guests to take a nap inside. More about Jeremie Maret builds a "transparent tiny skyscraper" on a Berlin industrial estate
A pine unit provides a kitchen, bathroom and mezzanine level for this tiny Berlin apartment designed by two local architects, which also features Art Deco details including a parquet door (+ slideshow). More about Pale wooden unit frames rooms and creates a new floor inside a Berlin micro-apartment
Online furniture brand Hem has opened its first physical shop, occupying the ground floor of the company's headquarters on Berlin's Friedrichstrasse (+ slideshow). More about Hem opens first physical store in Berlin
Interior design studio Hidden Fortress created a boxed-in floating staircase at the centre of this homeware store in Berlin, painting the outside black to contrast with the pale wood interior (+ slideshow). More about Box-like staircase forms a centrepiece inside Bazar Noir concept store
This glazed garden pavilion by architecture studio Barkow Leibinger offers scenic study spaces for resident fellows at the American Academy in Berlin (+ slideshow). More about Barkow Leibinger's Fellows Pavilion offers study spaces in a lakeside garden
Interior designer Sarah Van Peteghem dressed this Berlin show home with monochrome paintwork, assorted plants and furniture by local design brand New Tendency. More about Sarah Van Peteghem showcases local designers inside Berlin apartment
David Chipperfield's Berlin team added four concrete blocks to a former piano factory in Mitte to create their studio (+ slideshow). More about Concrete volumes are fused with an old piano factory to create David Chipperfield's Berlin office
A three-lane running track weaves around this office for a football app company, designed by architects TKEZ, leading to goals for penalty shootouts during work breaks (+ slideshow). More about Onefootball HQ by TKEZ features turfed meeting rooms and a running track
Lampshades with five-metre-long woven cables have been draped and twisted around a refurbished 20th century apartment in Berlin by interior stylist Sarah Van Peteghem (+ slideshow). More about Sarah Van Peteghem restyles Berlin apartment with woollen lamps and cables
The German capital is commemorating 25 years since the fall of the Berlin Wall with a trail of illuminated balloons along its former route (+ movie). More about Berlin celebrates "fall of the wall" anniversary with 8,000 glowing balloons
David Chipperfield has filled the Mies van der Rohe-designed Neue Nationalgalerie in Berlin with 144 tree trunks – the museum's final exhibition before renovation work by the British architect starts. More about David Chipperfield installs tree trunk columns in Mies van der Rohe's Neue Nationalgalerie
Berlin's Tchoban Foundation museum for architectural drawing is showing an exhibition of futuristic sketches by late experimental architect Lebbeus Woods. More about Tchoban Foundation exhibits fantastical drawings by Lebbeus Woods
A combination of voids and staggered volumes create private terraces and balconies for the properties that make up this residential development in Berlin by local studio Atelier Zafari (+ slideshow). More about Balconies sit within angular openings at Atelier Zafari's Berlin apartment block