Thick wooden ribs frame this extension to a family house in west London by architecture studio Tate Harmer (+ slideshow). More about Tate Harmer creates ribbed timber house extension in west London
This London house extension for a gallery director features a large round window inspired by circular voids that appear in the works of sculptor Barbara Hepworth and abstract painter Ben Nicholson (+ slideshow). More about Jimi House by Paul Archer Design features round window inspired by abstract art
This refurbished and extended London house by local studio Neil Dusheiko Architects includes a pop-up screening room for the owner, who works for film company Universal Pictures (+ slideshow). More about Brackenbury House by Neil Dusheiko features a curved brick extension and pop-up cinema room
A sunken courtyard brings daylight down into the new living room and study of this north London home, added by Coffey Architects in place of an old garage. More about Islington extension by Coffey Architects brings in light through a sunken courtyard
This oxidised-steel extension to an end-of-terrace Victorian house in east London peeks over the top of the adjacent brick boundary wall, which is interrupted by a matching steel gate (+ slideshow). More about HÛT uses pre-rusted steel for extension to Victorian brick house in London
Space Group Architects has renovated a 19th-century house in east London, adding details inspired by Minimalist artists and a sunken glass-walled extension (+ slideshow). More about Space Group Architects add sunken glass box extension to heritage-listed London house
MW Architects added a large corner window and a section of floor-to-ceiling glazing to this pair of London house extensions, to make the occupants feel like they work and shower in the garden (+ slideshow). More about Shed-like house extensions by MW Architects maximise views into a verdant garden
Scenario Architecture has completed an extension to an east London residence, featuring blackened wood cladding that references Japanese architecture, and a dedicated walkway for cats (+ slideshow). More about Blackened timber extension by Scenario Architecture features a high walkway for cats
Bureau de Change Architects gave this north London house extension a pleated ceiling to create the illusion it has been squashed onto the rear of the brick terraced property (+ slideshow). More about London extension by Bureau de Change Architects zigzags like a row of gabled houses
A glossy black marble wall divides the glass facade of this extension to a 19th-century townhouse in north London by local architecture office Paul Archer Design (+ slideshow). More about Paul Archer Design pairs glass with marble for extension to a remodelled London townhouse
This artists' home in Dalston has been updated with a yellow-framed kitchen extension in the back garden and a traditional glass and timber "shopfront". More about PriceGore adds a yellow-framed extension to an east-London artist's home
A concrete floor merges with seating inside and outside this rusted steel and glass extension to a Victorian-style house in west London, designed by local architecture studio McLaren Excell (+ slideshow). More about McLaren Excell adds a weathered-steel and concrete extension to a London house
Strips of black-stained timber give a charred appearance to this extension to a north-west London flat, designed by Fraher Architects to create a bigger kitchen for a client who loves to cook (+ slideshow). More about Blackened timber extension by Fraher Architects provides a new kitchen for a keen cook
Slate-grey bricks applied in zigzagging rows give the walls of this London house extension a faceted texture that contrasts the smooth, pale yellow brickwork of the original property (+ slideshow). More about Fraher Architects includes textured brick cladding on north London house extension
A sliver of glazing stretches all the way up from the ground to the roof of this extension to a west London house, which is named The Lantern in reference to the way it glows at night (+ slideshow). More about Fraher Architects completes an extension with a window that stretches up to the roof
This London house extension features a red brick exterior thought to look like a profile of a fox and a multi-hued interior that references Adolf Loos' Modernist houses of the 1920s (+ slideshow). More about David Kohn's Sanderson House extension conceived as a fox in the garden
The sloping roofline of an old extension to a London residence is surrounded by the pale brickwork of its replacement, designed by local studio Tsuruta Architects (+ slideshow). More about Remodelled London house extension reveals the outline of its predecessor
Slender batons of untreated larch cover two extensions erected in the garden of this semi-detached home in London, as part of a refurbishment and remodelling by architecture studio Haptic (+ slideshow). More about Haptic adds a pair of extensions to a Victorian home in west London
This extension to a Victorian house in London features a decorative wooden ceiling, exposed brickwork and a dining space that opens out to a garden filled with bushy plants (+ slideshow). More about Gort Scott adds timber-framed extension to 19th century Victoria Park house
Gold-coloured tiles cover the walls of this extension to a school in London by architecture studio Hayhurst and Co, while its roofline stretches up to meet the gable end of an adjacent Victorian building (+ slideshow). More about Hayhurst and Co adds a golden extension to a Victorian London school