Expansive panels of glass helped Rise Design Studio connect the formerly light-starved living spaces of this northwest London flat to the outdoors. More about Rise Design Studio brightens Harvist Road flat with glass-walled lightwell
Dublin practice Tierney Haines Architects has completed Library Lookout, a cedar-clad study space and library with a green roof, for two authors in Connemara, Ireland. More about Tierney Haines Architects adds lavender-topped writer's study to a house in Ireland
Architecture studio Hamish & Lyons has completed Stepping Stone House, an extension to a manor house in Berkshire, England, that is raised on stilts above a lake. More about Stepping stones lead into house extension over an English lake by Hamish & Lyons
Triangular skylights meet terrazzo floors in this quirky extension that architecture studio IF_DO has added to the Montague Court flat in east London, which occupies a former synagogue. More about IF_DO creates geometric extension to east London flat
Beijing-based MDDM Studio has extended a house near the Great Wall of China by transforming a nearby storage unit into minimalist living quarters. More about MDDM Studio completes House on the Great Wall in China
Mata Architects has added a timber-clad extension to a house in north London, with windows concealed behind large shutters that can be opened using mechanical winches. More about Large mechanical shutters cover windows of Black Box extension by Mata Architects
Gruff Architects has incorporated plenty of storage and blocks of bright colour into this top-to-bottom renovation and extension of a London house built in the 1930s. More about Gruff Architects overhauls 1930s London terrace with birch joinery and colourful accents
Nimtim Architects has added a extension clad in cork with contrasting pink windows to a Victorian terrace house in south London. More about Cork walls and pink window frames characterise London house extension by Nimtim Architects
The Black House by German architect studio Buero Wagner is a stack of differently sized rooms clad in blackened wood extending a house close to Lake Ammersee in Munich. More about Buero Wagner uses charred timber to clad lake house extension in Germany
Expansive corner windows and skylights appear throughout this Georgian townhouse in Dublin, which Foreign Bear Studio has renovated and extended to create light-filled living spaces. More about Foreign Bear Studio completes Glass House in Dublin
A snapping turtle tank provides a view through to a palm tree garden in an extension to a former council house in Dublin, designed by architecture studio TAKA. More about TAKA incorporates turtle tank into end wall of House in a Palm Garden
Architecture studio Naturehumaine has designed a minimal plywood stair with a children's play nook for this house in Montreal, as part of its renovation and extension. More about Plywood features in Montreal house renovation and extension by Naturehumaine
Lofty structures in rural Italy informed the design of this brick house extension that Dominic McKenzie Architects has added to a home in London's Islington. More about Dominic McKenzie Architects adds tower-like extension to London home
A home created within the shell of a derelict chapel has won first prize in a contest to find the best new house extensions in London. More about The Chapel named best house extension in Don't Move, Improve! 2019 awards
American firm Matt Fajkus Architecture has added a multi-level extension to a 1930s dwelling in Austin, topped with a roof that looks like a mullet haircut. More about Roofline of Matt Fajkus' Mullet House mimics controversial hairstyle
Gloucestershire-based Eastabrook Architects has completed an extension to a 19th century stone cottage in Upper Swell, a village in the Cotswolds, UK. More about Eastabrook Architects adds corrugated metal extension to Cotswolds cottage
Clay walls and plenty of built-in storage feature inside this renovated and extended garden flat in northwest London by Rise Design Studio. More about Rise Design Studio remodels London garden flat to maximise storage and light
Architect Jorge Ramírez has preserved an old fruit tree, tired mud walls, and decorative archways in his family's 1930s home in Aguascalientes, Mexico, and then added a white yoga studio on top. More about White yoga studio "delicately shelters" Jorge Ramírez's weathered Ceiba House in Mexico
Shuttered windows offer glimpses into a bright white living room, hidden behind the greyed walls of this house in Toronto that was renovated and extended by local studio Post Architecture. More about Peak-a-Boo House by Post Architecture features tall lounge and playful windows
Spray-on rubber originally developed for oil rigs coats this London house extension by Office S&M, which features both round and rectangular windows. More about Office S&M's "two-faced" Janus House extension is coated with spray-on rubber