Architecture firm Studio Bower has created a wood-clad extension for a 1940s cottage that preserves the house's charm and has interiors like a "generous treehouse". More about Studio Bower creates gabled annexe for Washington DC residence
Architectural studio Worrell Yeung has completed a two-storey, black-coloured home extension called Springs Artist Studio that is meant to offer the "experience of being perched in the trees". More about Hamptons artist studio by Worrell Yeung is tucked among the trees
Canadian studio 25:8 Architecture + Urban Design has added a cedar-clad extension with a shape informed by birds in flight to a house in Ottawa. More about 25:8 Architecture + Urban Design adds "bird wing" extension to Ottawa house
A series of small gardens designed to "encourage play and movement" breaks up Hopscotch House, a cottage in Brisbane with an extension by local studio John Ellway. More about John Ellway updates Brisbane cottage with staggered extension and gardens
Muted tones and textured material finishes define the spaces of this mid-terrace Georgian home in north London, overhauled by local studio Paolo Cossu Architects. More about Paolo Cossu Architects renovates London terrace to be "like a blank canvas"
British studio Will Gamble Architects used natural materials throughout Palm Springs, a glazed extension to the back of a Grade II-listed house in north London. More about Will Gamble Architects draws on desert modernism for London extension
Japanese studio Unemori Architects has used cypress wood to create Father & Son House, an extension constructed above and around a self-built annexe in Saitama. More about Unemori Architects envelops existing building with Father & Son House
Our 2023 review continues with a roundup of the top residential extensions featured on Dezeen this year, including a wooden structure slotted behind a cottage and a blush-pink addition to a 1930s home. More about Dezeen's top 10 residential extensions of 2023
A green wall and a charred-timber extension define House of the Elements, a Victorian home in London renovated by local studio Neil Dusheiko Architects. More about Neil Dusheiko Architects revamps London terrace to bring owner "closer to nature"
This exclusive video produced by Dezeen features The Perch, architect Nicole Blair's elevated house extension in Austin, which was designed to maximise living space. More about Video reveals Austin guesthouse perched above existing family bungalow
Portholes and semi-circular motifs characterise this colourful renovation and extension of a Victorian terrace house in Hackney, London, by architecture studio Gundry & Ducker. More about Gundry & Ducker revamps Victorian terrace to feature "different characters within a single house"
Architecture studio Polysmiths has redesigned a basement apartment in north London to feel like a "cabin in the woods", surrounding its sunken living area with lush planting. More about Polysmiths refurbishes Walden basement flat to evoke woodland cabin
British studio Greenaway Architecture has added a minimalist glass extension to a 15th-century thatched cottage alongside Farleigh Hungerford Castle near Bath, UK. More about Greenaway Architecture adds glazed extension to thatched cottage in shadow of castle
Architecture practice Prior Barraclough has expanded a modest workers' cottage in Melbourne to include an extension panelled entirely in Australian hardwood. More about Australian hardwood lines Melbourne cottage extension by Prior Barraclough
Hollow breeze-block walls were used to blend interior and exterior spaces in Sunday, a reimagining of a typical cottage in Melbourne, Australia, designed by local studio Architecture Architecture. More about Architecture Architecture uses grey breeze blocks for Melbourne extension
Belgian studio Britsom Philips has completed Villa VD, a timber-clad extension to a small rural home in Flanders with minimalist, light-filled living spaces. More about Britsom Philips reconfigures Belgian home with minimalist interiors and thatched roof
A band of limestone separates old and new at Fohlenweg, a house in Berlin that London studio O'Sullivan Skoufoglou Architects created using the walls of an existing bungalow. More about O'Sullivan Skoufoglou transforms Berlin bungalow with blocky extension
Architecture practice Studio Bright used patterned breeze blocks to wrap Garden Tower House, an extension in Australia, which peeks out from behind the restored frontage of a workers' cottage. More about Studio Bright wraps extension in Australia with pale pink breeze blocks
American firm Studio of Metropolitan Design Architects has renovated a stone Tudor Revival house and added a pavilion-like concrete extension in Wilmington, Delaware. More about Studio of Metropolitan Design adds monumental pavilion to Delaware Tudor-style house
Local studio Light and Air has introduced a light-filled void at the centre of a Brooklyn townhouse as part of a major reconfiguration and extension project. More about Light and Air opens up Z House in Brooklyn to the outdoors