TBA creates elevated extension for Berri House in Montreal
A residential extension wrapped in galvanised metal is positioned over a garden and attached to an old carriage house in this project by Montreal studio Thomas Balaban Architecte. More
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Studiotwentysix adds plywood-lined loft extension to Edwardian family home
Architect Dan Gray has upgraded his own 19th-century house in Brighton, England, adding a loft extension lined with birch plywood that makes the most of the angular roof space. More
Jamie Fobert adds two floors under House in Primrose Hill
Jamie Fobert Architects has overhauled a Victorian house in north London, creating new basement floors that provide a light-filled living room and a travertine-lined swimming pool. More
Architecture for London uses natural materials to renovate studio founder's home
Wood, stone and lime plaster pervade the minimal interior of this energy-saving home in Muswell Hill that Architecture for London has created for its founder, Ben Ridley. More
Chunky staircase features in Farleigh Road renovation by Paolo Cossu Architects
An extra-wide oak staircase doubles as a piece of furniture in this renovation of a Victorian terrace in east London, designed by Paolo Cossu Architects. More
Graux & Baeyens adds prefabricated-steel extension to Ghent townhouse
A sunken bicycle workshop sits at the end of a classical-style walled garden at this extension to a townhouse in Ghent, completed by Belgian practice Graux & Baeyens Architecten. More
Glass and steel form rooftop Cascada House apartment in Mexico City
Architects Ana Nuño de Buen and Luis Young have used a green metallic frame to form the structure of an airy apartment built atop an existing building in Mexico City. More
Set Ideas extends Fluid House in Argentina using glass and steel
Argentinian office Set Ideas has added a glass-and-steel extension to a house in the mountains of Córdoba, using a modular structure to enlarge the resident's living spaces. More
Dezeen's top 10 house extensions of 2021
Continuing our review of the year we look at the house extensions that turned heads in 2021, including a polycarbonate-clad tower and a mirrored art gallery on stilts. More
Delve Architects strips back and extends 19th-century stone barn in Surrey
Delve Architects has transformed a 19th-century haybarn in Surrey into a family home, revealing the original stone structure and complementing it with two cedar shingle-clad extensions. More
ROAR converts London end-of-terrace into a duo of colourful duplexes
London studio ROAR Architects has converted and extended an end-of-terrace home in Kentish Town into two self-contained apartments for a brother and sister, with contrasting interiors designed to capture each of their personalities. More
Gresford Architects adds charred-timber extension to London terrace
Oxford-based practice Gresford Architects has used a stepped stack of charred-timber-clad forms to extend a Victorian terrace in Walthamstow, London. More
Java Architecture extends Parisian home with polycarbonate-clad tower
French studio Java Architecture has renovated and extended a ruined stone house in Paris with a wooden tower that is clad in polycarbonate panels. More
Tigg + Coll Architects remodels Surrey home for children with limited mobility
Tigg + Coll Architects has added a timber-roofed wing to a house in Surrey, England, to support the needs of two children with a rare muscular disorder. More
Amos Goldreich Architecture adds timber-framed extension to Framework House in London
Pale timber ribs characterise the interior of this white-brick extension, which local studio Amos Goldreich Architecture has added to the rear of a north London home. More
Wowowa uses colourful accents to update 60s home in Melbourne
A scalloped metal roof and brightly coloured accents feature in a renovation and extension of a 1960s home in Melbourne by local architecture studio Wowowa, which has been shortlisted in the residential rebirth category of Dezeen Awards 2021. More
Matt Gibson transforms Melbourne home with courtyards and glazed bridge
Australian practice Matt Gibson Architecture + Design has restored and extended a historic home in the suburbs of Melbourne, which has been shortlisted in the residential rebirth category of Dezeen Awards 2021. More
VATRAA adds brick-clad gabled extension to Victorian house in Camden
Architecture office VATRAA has reused bricks salvaged from the demolition of an existing sidewall to construct this extension to a Victorian house in north London. More
Emil Eve Architects creates "sense of calm" in pale pink loft extension
Everything is pale pink in this monochromatic loft extension designed by Emil Eve Architects for a house in east London. More
SAU Taller d'Arquitectura opens up narrow interior during Spanish home renovation
A double-height living area crossed by a small wooden bridge sits at the centre of this home in Girona, Spain, renovated and extended by SAU Taller d'Arquitectura. More