Concrete bathrooms with colour-changing shower screens feature in this renovated apartment inside Moshe Safdie's famous brutalist Habitat 67 in Montreal, Canada, where scribbles on the walls date back to the housing complex's construction. More about Rainville Sangaré overhauls Unit 622 in Montreal's brutalist Habitat 67
Splashes of burgundy, blue and emerald green appear throughout this apartment in Moscow that Russian practice Archetype has redesigned to feature an "aristocratic" colour palette. More about Archetype use rich-toned walls and furnishings for redesign of Moscow flat
Sergey Makhno has overhauled his duplex apartment in Kiev with the intention of creating a "a bridge between Japanese minimalism and Ukrainian aesthetics." More about Family apartment in Kiev blends Japanese and Ukrainian design influences
A staircase with living areas on its large landings replaces unnecessary rooms at the centre of this Brussels apartment, which was renovated and extended by Belgian architecture studios Mamout and AUXAU. More about Mamout and AUXAU update Brussels townhouse with mint-green staircase
New York architect Rafael de Cárdenas has transformed a tired apartment in a 20th-century brownstone into a home for himself, featuring "multiple living rooms of varying moods". More about Rafael de Cárdenas renovates rundown Brooklyn brownstone for himself
Russian studio Shkaf Architects inserted asymmetrical and diagonal walls to make the most of the space within this one-bedroom apartment in Moscow. More about Asymmetrical walls divide up blue and white apartment in Moscow
A reading room with a daybed and porthole window is built into the living room of Pointing House, a one-bedroom apartment in Rome designed by Studio Strato. More about Studio Strato creates cosy reading den in renovated Rome apartment
Online design retailer Radnor has furnished a residence in David Chipperfield Architects' residential tower under construction on New York's Bryant Park. More about Radnor curates model apartment at Chipperfield's The Bryant in New York
Brazilian studio Casa 100 Architecture has packed a kitchen and a wardrobe into a thin alcove to make the most of space at a tiny apartment. More about Compact Apartment in São Paulo measures 24 square metres
Architect Ariel Claudet has introduced a network of copper pipes to an otherwise simple studio apartment in Paris, to help it stand out on Airbnb. More about Copper pipes create storage solutions for Paris studio flat by Ariel Claudet
A stainless steel fireplace surround and "hacked" IKEA cabinets are among the features that architecture duo BoND have added during the overhaul of their apartment in New York's Chelsea. More about BoND turns dark, divided Chelsea apartment into light-filled home
Béres Architects made the original stone walls the stand-out feature when renovating this apartment inside a 400-year-old building in the medieval old town of Kőszeg in Hungary. More about Béres Architects reveals old stone walls in Hungarian guesthouse renovation
Architecture studio Belotto Scopel Tanaka has used sliding wooden doors, white marble and grey furnishings to transform this apartment in Curitiba, Brazil, into a family getaway. More about Dark wood contrasts pale marble at renovated Brazilian apartment
London practice Roberto Di Donato has introduced a pair of wooden storage units to this apartment in Valencia, Spain, to redefine its time-worn interiors. More about Wooden storage units create living spaces in once-derelict Valencia apartment
Antique doors, panelling and sections of ageing plasterwork have been kept on display in Isabel López Vilalta's overhaul of this Barcelona apartment, which includes a new mezzanine play area complete with slide. More about Antique doors create wood-panelled halls in renovated Barcelona apartment
UK studio Interrobang has transformed the Hoover Building in west London into 66 apartments that retain many of the former factory's original art-deco features. More about Interrobang converts London's landmark Hoover Building into apartments
New York architecture studio Dash Marshall has turned two Tribeca residences into one home connected by a hanging, blackened steel spiral staircase. More about Dash Marshall merges two Tribeca lofts with sculptural staircase
Swimmers in a pool at this renovated residence in São Paulo can be watched from the living room through thick glass panels, like fish in an aquarium tank. More about Swimming pool serves as centrepiece of São Paulo apartment by Fernanda Marques
Exposed fresco and original arched doorways are paired with brass accents and grey cabinetry at this apartment in Vilnius, which has been overhauled by interior designer Kristina Lastauskaitė-Pundė. More about Brass accents and contemporary cabinetry update 19th-century apartment in Vilnius
A striped wall concealing private spaces folds back to reveal the kitchen inside this apartment in São Paulo, designed by local studio David Ito Arquitetura. More about Grooved white panels divide São Paulo apartment by David Ito