Wooden furnishings have been integrated into the walls of this compact Madrid apartment by Elii Architects, allowing them to be folded away when not in use (+ movie). More about Tables, benches and an ironing board unfurl from the walls of a Madrid apartment by Elii Architects
Dutch studio Concrete has kitted out the suites of an Amsterdam hotel with fittings that include retractable staircases, ceiling-mounted gymnast's hoops and under-bed offices. More about Concrete adds retractable stairs and gymnast's hoops to Amsterdam hotel suite
Moveable library-style shelving units slide from side to side to reveal and hide compartments that serve various functions in this Spanish apartment by Madrid-based PKMN Architectures (+ slideshow). More about Sliding chipboard units create multifunctional space in Madrid apartment
Porto studio OODA has renovated two 19th-century buildings in the city to create apartments that contain monolithic freestanding units housing the kitchens, beds, bathrooms and other furniture (+ slideshow). More about OODA's multifunctional modules combine bedrooms, kitchens and bathrooms in one unit
A mezzanine hammock, an adaptable seating cube on wheels, and a combined staircase and bookshelf have been added to this play and study space for a brother and sister, designed by Russian studio Ruetemple (+ slideshow). More about Mobile furniture and giant hammocks allow work and play inside a Russian home
This space-efficient box by Swiss designer Till Könneker creates a separate sleeping area and compact storage solutions for studio apartments (+ slideshow). More about The Living Cube by Till Könneker saves space in micro apartments
Israeli architect Ranaan Stern has adapted a 15-square metre room inside an artist's Tel Aviv apartment to create a studio with two desks, 36 drawers, modular storage compartments, pegboard display walls and even a folding bed (+ slideshow). More about Space-saving modular studio for an artist by Raanan Stern
British studio 1508 London has converted a Victorian post office in London into an apartment where perforated concrete shutters can be used to open and close different sections of the interior (+ slideshow). More about Victorian post office converted into an apartment by 1508 London
This seaside studio apartment in Barcelona by Spanish studio Colombo and Serboli Architecture has an all-white interior that includes a tiled kitchen and bathroom that can be hidden away (+ slideshow). More about The White Retreat by Colombo and Serboli Architecture
London Design Festival: the family home of the future will feature mechanised floors and furniture that emerge from walls, floors and ceilings at the touch of a button, according to Yo! Sushi and Yotel founder Simon Woodroffe (+ slideshow). More about Yo! Home at 100% Design
Glass screens slide back and forth across a timber grid that divides this apartment in Japan. More about House in Hiyoshi by Camp Design Inc.
A shelving unit displaying children's clothes doubles up as a plywood playhouse with a sliding staircase, swinging doors and removable furniture. More about Pop-Out House by Mut Architecture and Benjamin Mahon
French designer Paul Coudamy has created this red-gloss sliding wall unit combining a desk, bed and wardrobe for an apartment in Paris. More about Red Nest by Paul Coudamy