British architecture practice Studio Carver has completed a timber and glass extension to a house in north London that was inspired by traditional wooden conservatories found in the American Midwest. More about Studio Carver adds American-inspired prefabricated extension to Belsize House
Rain can fall through a cut-out in the concave roof of this London house extension by Tonkin Liu, animating a shallow pool of water beneath. More about Curved opening frames reflective pool in London house extension by Tonkin Liu
Exposed rafters support a pitched roof incorporating a large skylight that allows daylight to flood into this rear extension added to a Victorian house in south London by local studio Grey Griffiths Architects. More about Grey Griffiths Architects completes London extension featuring exposed oak roof structure
O'Sullivan Skoufoglou Architects has rearranged the ground floor of a Victorian terraced house in north London and introduced a material palette to the extended space that complements the original brick walls. More about Timber and textured-brick surfaces soften interior of extension by O'Sullivan Skoufoglou Architects
Jonathan Tuckey Design has revealed plans to extend the former home of Walter Segal with an addition like an "overgrown ruin", while Turner Prize-winning collective Assemble has designed a shed for the garden. More about Extension to Walter Segal's modernist London home is modelled on ruins
London-based practice Yellow Cloud Studio has designed a triangular-planned glass and plywood extension for a Victorian house in Hackney that makes a virtue of its awkward space. More about Yellow Cloud Studio adds distinctive triangular extension to east London house
A timber-lined loft renovation, a seven-square-metre extension and a triangular room feature among the 30 projects shortlisted in a competition to find London's best home extensions. More about London's best new house extensions revealed in Don't Move, Improve! 2018 shortlist
The founder of MW Architects used black-blue engineering bricks to add an extension of just seven square metres to his renovated London home. More about Matthew Wood adds seven-square-metre extension to his small London home
Architect Curro Checa Romero has refurbished and extended a 1980s house in east London, more than doubling its interior dimensions and creating a series of light-filled spaces with an improved connection to the rear garden. More about Checa Romero Architects "makes the most" of small brick house by extending in every direction
Traces of the original architecture are incorporated throughout this renovated Victorian house in south London, which Fraher Architects updated with a new staircase that creates multipurpose landings on each level. More about Etch House by Fraher Architects contains clues about its previous layout
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 about Office S&M uses scale-like tiles and vibrant colours to add personality to London house
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 about O'Sullivan Skoufoglou Architects adds "simple, warm and characterful" extension to London house
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 about Giant pivoting door connects Columbia Road extension to secluded rear courtyard
"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 about Al-Jawad Pike combines brick, concrete and timber for restrained London home extension
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 about Laura Dewe Mathews creates spaces for birdwatching and painting in London home of a retired couple
This south London house extension by Studio Octopi features a pre-cast concrete staircase that had to be craned into position.
More about Pre-cast concrete staircase forms centrepiece of basement extension by Studio Octopi
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 about Glass box defines extension with basement pool for Victorian home in south London
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 about Revamped London house features white surfaces and concrete details that match a brutalist neighbour
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 about McLaren Excell adds contrasting pale brick extension to black-painted Victorian house
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 about Amin Taha Architects reconfigures London home around lightwells and a spiral staircase