Lake Cottage with mirrored entrance by UUfie
This extension to a woodland home in Ontario by Canadian studio UUfie features charred cedar walls and a mirrored entrance (+ slideshow). More about Lake Cottage with mirrored entrance by UUfie
This extension to a woodland home in Ontario by Canadian studio UUfie features charred cedar walls and a mirrored entrance (+ slideshow). More about Lake Cottage with mirrored entrance by UUfie
London studio Denizen Works has overhauled a cottage in Scotland's Outer Hebrides by rebuilding the original structure and adding two extensions modelled on agricultural sheds (+ slideshow). More about House No.7 cottage and extensions on the Isle of Tiree by Denizen Works
A twisted angular roof oversails this extension to a suburban house in Melbourne by Australian architects March Studio (+ slideshow). More about Mullet House by March Studio
Dutch Design Week 2013: Dutch firm Bierman Henket architecten has added an extension shaped like a rugby ball on top of a neo-classical museum in the city of Zwolle (+ slideshow). More about Museum De Fundatie by Bierman Henket architecten
Small attic spaces are tucked between the ribs of a triangular roof at this house extension in Japan by mA-style Architects (+ slideshow). More about Koya No Sumika by mA-style Architects
Studio Webb has added a zinc-clad roof extension to a private school in south London, which sets off against the building's existing brickwork (+ slideshow). More about Classroom extension by Studio Webb
Ghent studio Open Y Office has extended a house in Belgium, adding a concrete structure that could also function as a standalone residence (+ slideshow). More about House Wiva by Open Y Office
This steel and glass restaurant extension by Austrian studio Architekten Rüf Stasi Partner juts out over the edge of Karren Mountain in the Austrian Alps (+ slideshow + photographs by Zooey Braun). More about Panoramarestaurant Karren by Architekten Rüf Stasi Partner
Australian studio Edwards Moore has revamped a small brick house in Melbourne by adding a new storey and a translucent roof (+ slideshow). More about Lightbox House by Edwards Moore
Small windows scattered across the facade of this house extension outside Melbourne by Australian practice Wolveridge Architects limit the amount of direct sunlight entering the building (+ slideshow). More about Blairgowrie House by Wolveridge Architects
Terracotta tiles resembling brickwork cover parts of this house extension in Dublin by Irish practice GKMP Architects (+ slideshow). More about House Extension in Dublin by GKMP Architects
Chilean architects Mathias Klotz and Lillian Allen have renovated a castle-like residence in Santiago's Parque Forestal to create a restaurant, exhibition space and ice-cream parlour (+ slideshow). More about Restaurant Castillito by Mathias Klotz and Lillian Allen
London-based Moxon Architects has completed a contemporary glazed extension to this Grade II listed town house in south-west London. More about Chelsea Town House by Moxon Architects
The towering fortress of fairy tale character Rapunzel inspired this steel-clad house extension that accommodates the three oldest daughters of Austrian architect Stefan Marte (+ slideshow). More about Maiden Tower by Marte.Marte Architects
More architecture from Australia: architect Clare Cousins has extended a family house in Mornington Peninsula by adding a timber-framed guest house raised up on stilts. More about Beach House Mornington by Clare Cousins
Andrew Maynard Architects has linked two terraced homes in the Richmond suburb of Melbourne, Australia, by adding a periscope-shaped extension with a special area for graffiti artists (+ slideshow). More about HOUSE House by Andrew Maynard Architects
Spanish firm GRAS has extended a traditional detached house in Mallorca by adding a series of contrasting Corten steel boxes. More about KubiK extension by GRAS
Portuguese architect Duarte Pape has combined a long stone wall with folding timber facades in this residential extension in northwestern Portugal (+ slideshow). More about Vale da Abelha House by Duarte Pape
London studio Jonathan Tuckey Design has converted a historic chapel in Wiltshire, England, into a house with a blackened-timber extension conceived as the building's shadow. More about Shadow House by Jonathan Tuckey Design
Australian architect Christopher Polly has converted a small Sydney bungalow into a two-storey house by adding extra rooms behind and underneath. More about Cosgriff House by Christopher Polly