Black zinc cladding and a sinuous staircase feature in the renovation and expansion of an urban masonry building by New York studio Young Projects. More about Young Projects extends brick townhouse in Brooklyn with metal-clad addition
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 about Architecture for London builds one house extension in slate and another in brick
One wall of this petite extension to a Lisbon apartment by RCJV Arquitectos is made entirely from glass – providing its owners with views of the courtyard gardens below. More about Lisbon flat extension features huge window facing the garden
Warc Studio has reinterpreted the typical lean-to extensions of many Melbourne houses with this timber and glass addition to a home in the city's Oakleigh suburb. More about Timber fins shade asymmetric glazed gable added to Melbourne home by Warc Studio
Studio 1 Architects has added a brick extension with a large window to the rear of this Victorian house in London, creating a light-filled seating area lined in white-washed ash slats. More about Brick house extension by Studio 1 features garden-facing window seat
AR Design Studio has extended a 1970s house in Hampshire, England, with two glass-fronted volumes featuring huge windows. More about AR Design Studio adds glazed extensions to 1970s house in southern England
American firm Carney Logan Burke has extended a house in Jackson Hole, Wyoming, to provide its residents with a workspace that boasts sweeping views. More about Carney Logan Burke uses rammed earth to build home-office extension
Stepped skylights twist up to a peak at one side of this extension designed by Nick Bell Design for the rear of a Sydney residence. More about Concertina rooflight illuminates Sydney house extension by Nick Bell Design
Scenario Architecture has added a wooden extension with a jagged sedum-covered roof and a large window to the rear of an east London house. More about Scenario Architecture covers London house extension in larch and sedum
Lipton Plant Architects created this glazed extension for a house in north London to offer residents views between its various levels and out to the garden. More about Lipton Plant Architects adds double-height glazed extension to London house
A yellow and white colour scheme finishes this London house extension by Nimtim Architects, which is shortlisted in 2017's Don't Move, Improve! competition. More about Nimtim creates sunny London house extension to adapt to young couple's changing needs
The 24 homes shortlisted for this year's Don't Move, Improve! awards have just been revealed, so we've updated our London house extensions board. New additions include a playful renovation of a 1960s council house and a home that pairs concrete with blue paintwork. Follow Dezeen on Pinterest ›
More about Dezeen's updated Pinterest board features London's best house extensions
Featuring curved corners and ribbed details, this extension to a Seville house was designed by local architects Studio Wet to create a large living room and kitchen adjoining the garden. More about Studio Wet adds curved extension with ribbed details to 1950s house in Seville
UberRaum Architects has added a stepped wooden extension to this mountainside house in Germany's Black Forest, offering its residents views of the surrounding trees and valley. More about UberRaum Architects staggers Cloud Cuckoo House to offer views of Rhine Valley
R2 Studio has renovated a 1960s home on a London council estate, creating a playful interior for a family with two young children. More about Former London council home remodelled to create bright and open living space
A garden studio dedicated to rug making, a sunken Japanese-style bath and a spacious kitchen built from pale bricks feature among the 24 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! 2017 shortlist
Architects Ran Ankory and Maya Carni of Scenario Architecture have opened up the interior of their Victorian terraced house in north London and added a glazed extension at the rear. More about Scenario Architecture founders add glass-roofed extension to their own London home
A wall of storage filled with art and ceramics features inside this house that architect Neil Dusheiko has renovated for his father-in-law, near his own home in north London. More about Neil Dusheiko creates home for his father-in-law featuring a wall of ceramics and glassware
This terraced family home in southeast London has been brightened up with a colourful open-plan living space and a loft extension offering rooftop views. More about R2 Studio enlivens Victorian London home with bold colour palette
Studio Octopi has overhauled a terraced house in north London, adding an extension that features a three-storey-high window and a two-storey-high pivoting door. More about Extra-tall windows connect Studio Octopi's Slot House with its patio garden