This revamp of a family home in west London features a loft extension covered in scale-like wooden shingles, yellow-framed arch windows, and interiors that use colour to separate spaces for adults and children. More
O'Sullivan Skoufoglou Architects has extended a typical terraced home in northwest London, by adding a new timber-lined room that opens onto a brick-paved garden. More
A frameless glass roof panel connects with a window to allow natural light to flood this extension added to the rear of a Victorian house in east London by The D*Haus Company. More
"Matter-of-fact" materials such as concrete, brick, and timber in muted tones have been used to create this extension to a family home in Stoke Newington, north London. More
Architect Laura Dewe Mathews has added a staggered red brick extension to a London house, as part of a renovation that involved creating spaces for the clients' various hobbies. More
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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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
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
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
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 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 has extended this house in Putney, southwest London, using glass walls to flood the new basement living areas with natural light. More
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
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 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
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
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 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
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
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