The residents of a house in Melbourne have allowed architect Andrew Maynard to reveal their living spaces to passers-by, with a timber-framed extension that slots into the perimeter fence (+ slideshow). More about Melbourne house extension by Andrew Maynard presents a living room to the street
A living room is contained within this glazed extension to a period property in Dublin, forming a transparent connection between the existing building and its garden. More about Glazed house extension by GKMP Architects "feels like part of the garden"
A small extension to the rear of this remodelled townhouse in Dublin is clad and roofed in panels of opaque black glass, designed by architectural studio Ailtireacht to reflect the building's surroundings. More about Black glass box forms a reflective extension to a Victorian townhouse in Dublin
Australian studio Mihaly Slocombe has returned to a Melbourne home it completed almost a decade ago to add a timber nursery annex patterned with circular cutouts (+ slideshow). More about Mihaly Slocombe extends vineyard home in Australia with wooden nursery
This red-painted timber-clad extension was added to the rear of an old stone farmhouse in Portugal, framing a new courtyard at the centre of the family home (+ slideshow). More about Pitágoras Arquitectos adds red timber wing to stone farmhouse in rural Portugal
This extension to a Victorian house in London features a decorative wooden ceiling, exposed brickwork and a dining space that opens out to a garden filled with bushy plants (+ slideshow). More about Gort Scott adds timber-framed extension to 19th century Victoria Park house
A triangular lightwell covered in scale-like shingles extends from the roof of this living room that architect Nuno Melo Sousa has added to a house in Penafiel, Portugal (+ slideshow). More about Nuno Melo Sousa uses a wedge-shaped lightwell to bring light into a courtyard living room
Irish studio NOJI Architects experimented with plywood to create the three different kinds of structure that frame this extension to a terraced house in Dublin. More about Plywood frames create a pattern of triangles inside house extension by NOJI Architects
Forming a new end to a 1960s housing estate in London, this timber-framed house extension was designed to look contemporary but also to match the aesthetic of the original block (+ slideshow). More about Maccreanor Lavington extends a 1960s London housing estate with a modern interpretation
Architects Tom and James Teatum have reshuffled the upper-floor layout of two houses in west London to create a pair of double-fronted flats – one spread across the second floor and another squeezed beneath the newly extended rafters (+ slideshow). More about Teatum+Teatum squeezes a new flat into the top of two Victorian homes
Architecture studio Sevil Peach has overhauled a house once owned by Victorian painter and illustrator Frederick Barnard to create an artist's residence boasting period features and a patio-side bathtub. More about Home of Charles Dickens illustrator converted by Sevil Peach into an artist's studio
This metal-framed extension to a clapboard house near Melbourne was left intentionally incomplete by architect Andrew Maynard to show off the "beautiful skeleton" of an unfinished building (+ slideshow). More about Andrew Maynard adds greenhouse-like extension to a Melbourne home – but leaves it unfinished
Architecture studio Lipton Plant has turned a small space at the side of a Victorian house in north London into the glazed entrance for a basement extension focused around an oak staircase (+ slideshow). More about Lipton Plant creates a nanny flat underneath a London home
Hexagonal slate tiles cover this extension to a west London home designed by architects Christian Ducker and Tyeth Gundry to create a bright and spacious new kitchen (+ slideshow). More about Gundry and Ducker's Slate House is an extension clad with hexagonal tiles
This rust-coloured copper home extension by British studio Poulsom Middlehurst sits above the red-brick walls and clay-tiled roof of a Victorian terrace in east London. More about Poulsom Middlehurst adds copper-clad extension to east London attic flat
Architect Jochen Specht has doubled the size of a 1960s house in rural Austria by encasing its stone walls behind a new facade made up of dark timber, concrete and plenty of windows (+ slideshow). More about Jochen Specht envelops a 1960s house in a new timber and concrete facade
A curving copper-clad extension punctuated by portholes has been added to a house in Ghent, Belgium, by local studio Atelier Vens Vanbelle, who describe the structure as "a cocktail of science fiction and nostalgia" (+ slideshow). More about Atelier Vens Vanbelle adds "retro-futuristic capsule" to a Belgian home
Wooden walls concertina across open-plan living areas to subdivide this renovated stone house and extension by Spanish office XLMS (+ slideshow). More about XLMS extends 19th-century stone house in Mallorca to create a holiday home
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Australian studio Philip Stejskal Architecture has equipped a white timber extension to a 1890s duplex with shutters and sliding panels that camouflage with the walls when closed. More about House by Philip Stejskal can be "locked down" with shutters that blend into the facade