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
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
A loft library, a converted chapel and a Japanese-inspired flat are in the running to be named London's best home-improvement project of 2019. More about London's best new house extensions revealed in 2019 shortlist for Don't Move, Improve!
Merrett Houmøller Architects has renovated and extended a house in north London using a consistent palette of simple materials and repeated patterns. More about London townhouse updated with pared-back materials and patterns
Fraher Architects has refurbished a terraced house in London's King's Cross, adding a rear extension clad in perforated black metal, and a metalwork staircase. More about Industrial setting informs robust palette of Fraher Architects' Signal House
Architecture office Al-Jawad Pike used pigmented concrete blockwork for the exterior and interior of this two-storey extension to a Victorian house in south London. More about Al-Jawad Pike combines robust and affordable materials for extension to Peckham house
Architecture office Hutch Design has renovated and extended a mews house in north London, incorporating folding walls, mirrors and hidden storage to make the most of the compact space. More about Hutch Design reconfigures Hackney mews to create space-saving family home
Matheson Whiteley has completed a simple brick extension to designer Sebastian Wrong's east-London house, featuring a combination of traditional and contemporary details. More about Matheson Whiteley adds pared-back brick extension to Sebastian Wrong's Victorian house
Inglis Badrashi Loddo Architects has completed a single-storey extension to a Victorian house in north London, featuring a glazed wall and skylights that allow daylight to flood into a new kitchen and dining space. More about Glazed extension connects refurbished Highbury house with new patio garden
A large porthole-like window punctures the white-brick facade of this extension to a terraced house in north London, designed by Simon Astridge. More about Simon Astridge adds white-brick extension to refurbished Victorian house
UK architecture office Eckford Chong has renovated and extended an end-of-terrace property in east London, adding a garden studio that evokes traditional Japanese tea houses. More about Eckford Chong adds blackened-timber garden studio to refurbished London house
Optical illusions including a trompe l'oeil painting and mirrored walls alter the perception of space inside this extension to a south London house by architect Sean Griffiths. More about Sean Griffiths uses visual trickery inside London house extension
Dark timber cladding applied to the exterior of this extension to a London flat by Hayhurst and Co contrasts the white-oiled boards that line the kitchen and dining space within. More about Hayhurst and Co adds charred-timber extension to basement flat in north London
Archmongers has extended the rear of a terraced house in Stoke Newington that features interiors lined with built-in plywood furniture to maximise the available space and a staircase made from a jigsaw of pieces. More about Canal boat interiors inspire space-efficient extension to London house by Archmongers
Mustard Architects has added this extension to an Edwardian house in west London, featuring a tapered plan that expands towards angular glazed doors set into its asymmetric gabled facade. More about Angular doors connect tapered extension with tiled patio by Mustard Architects
A revamped Georgian townhouse with a patio that transforms into a reflecting pool has won top prize in a contest to find the best new house extensions in London. More about Sun Rain Rooms named London's best new house extension in Don't Move, Improve! 2018
Pale brickwork, oak furnishings and terrazzo flooring combine in this light-filled extension to a Victorian house in London's Shepherd's Bush, designed by architecture studio Al-Jawad Pike. More about Al-Jawad Pike uses pale, exposed materials to extend west London home
DeDraft's roof-top extension to an east London home is clad in sheets of weathering steel that will naturally patinate to match the red brick and tiles of the surrounding architecture. More about DeDraft completes weathering-steel roof extension for £60,000
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