Pre-cast concrete staircase forms centrepiece of basement extension by Studio Octopi
This south London house extension by Studio Octopi features a pre-cast concrete staircase that had to be craned into position.
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Glass box defines extension with basement pool for Victorian home in south London
British studio Guarnieri Architects has added a glazed box containing a swimming pool, hot tub and steam room to the rear of a Victorian terrace in Clapham Common, south London. More
Revamped London house features white surfaces and concrete details that match a brutalist neighbour
William Tozer Associates has overhauled a Victorian terraced house in north London, introducing a white, modern living area that faces out onto a neighbouring brutalist estate. More
McLaren Excell adds contrasting pale brick extension to black-painted Victorian house
A pair of interlocking volumes clad in pale brick and fronted by large, frameless windows extend the rear of this Victorian house in west London, which has been overhauled by McLaren Excell. More
Amin Taha Architects reconfigures London home around lightwells and a spiral staircase
London studio Amin Taha Architects has updated a 1950s terraced house in the city's Bayswater neighbourhood, adding a basement level topped with a rugged concrete soffit and a lightwell set into a courtyard garden. More
Mulroy Architects and Manea Kella extend Edwardian home in north London
Mulroy Architects has added a glazed extension to this house in north London, which features interiors and bespoke oak joinery by local studio Manea Kella. More
Giles Pike Architects adds stepped glass extension to Victorian house in south London
Giles Pike Architects has extended this house in Putney, southwest London, using glass walls to flood the new basement living areas with natural light. More
Nimtim adds pergola-like extension to 1950s terrace in south London
Timber portals frame windows and skylights in this garden-facing extension, which Nimtim Architects has added to a terraced house in Peckham, southeast London. More
Steel-wrapped staircase winds through Hackney extension by Cousins & Cousins
A spiralling steel staircase connects the living spaces inside this timber and glass extension to a semi-detached property in Hackney, north London. More
Simon Astridge adds dusty-pink concrete extension to north London house
Simon Astridge has used pigmented concrete to create the pink facade of this extension to a north London house, accenting the warm-toned colours found in the existing brick walls. More
Movie explores Jonathan Tuckey's home in a former London steel workshop
Filmmaker Tapio Snellman has documented the home of Jonathan Tuckey in this movie, produced 14 years after the designer overhauled a 19th-century London workshop to create it. More
10 of the best London house extensions from Dezeen's Pinterest boards
The winner of 2017's Don't Move, Improve! awards has just been announced, so we're taking a moment to dwell on London house extensions. These 10 from Dezeen's Pinterest boards are our most pinned. More
West Architecture converts London church into restrained home
West Architecture has transformed a Methodist church in Islington into a pared-back home dressed with just a few items of furniture to reflect the minimalist lifestyle of its owner. More
Sunken Bath Project named London's best new house extension in Don't Move, Improve! 2017
A garden room containing a sunken Japanese-style bath has won top prize in a competition to find London's best new house extensions. More
Theis + Khan updates Notting Hill house with basement pool and cinema
This west London house has been overhauled by British practice Theis + Khan to include a "cave-like" swimming pool in the basement and a twisting white staircase. More
Larissa Johnston arranges minimal London home around plywood box
A plywood box hosts the kitchen and staircase in this minimal maisonette in Islington, which has been reconfigured and extended by local architect Larissa Johnston. More
Paul Archer uses board-marked concrete and glass for London house extension
Coarse concrete walls contrast transparent glazing in this extension designed by Paul Archer Design to create a light-filled kitchen and dining room for a north London house. More
Pamphilon Architects' larch-clad extension echoes butterfly roof of east London terrace
Slats of larch dress this angular addition to a Victorian property in Dalston, which was built for a young family and is shortlisted in 2017's Don't Move, Improve! competition for best London house extension. More
Gundry & Ducker adds sooty brick and glass extension to London house
A darkened brick tower and a glass volume form this extension by Gundry & Ducker, added to the rear of a north London residence to create a kitchen and living room with garden views. More
Architecture for London builds one house extension in slate and another in brick
Architecture for London has created a pair of contrasting extensions for adjoining houses in east London, using pale brick for one and dark slate for the other. More