Belgian studio Atelier Tom Vanhee has converted a former school building in the village of Woesten into a community centre and added a white gabled extension that appears to be sliding out of the original brick facade (+ slideshow). More
London studio Hayhurst and Co used pale white larch to wrap walls and furnishings both inside and outside this beach house-inspired extension to a family residence in Hampstead, north London. More
London studio Scott Architects has added a curvy timber extension to a terraced house in Hackney, featuring a bowed wall that cuts through the centre of a green roof (+ slideshow). More
Webs of red parachute cables take the place of traditional balustrades between the two levels of this office that architects Joe Fraher and Lizzie Webster have built as an extension of their London home (+ slideshow). More
A faceted roof made from a shimmering copper-bronze alloy covers this extension by British firm Emrys Architects to a pair of Georgian townhouses in London (+ slideshow). More
Paris studio Marchi Architectes layered up timber slats of different thicknesses and proportions to give an irregular texture to the walls of this sunken house extension in Normandy, France (+ slideshow). More
Berlin practice Sauerbruch Hutton has renovated and extended a former Prussian military uniform factory to accommodate its own offices and an artist's studio. More
Israeli studio SO Architecture added this auditorium and gallery to a hilltop war memorial in Nesher, Israel, and tilted it upwards so that it faces towards the sky (+ slideshow). More
This extension to a woodland home in Ontario by Canadian studio UUfie features charred cedar walls and a mirrored entrance (+ slideshow). More
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
A twisted angular roof oversails this extension to a suburban house in Melbourne by Australian architects March Studio (+ slideshow). More
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
Small attic spaces are tucked between the ribs of a triangular roof at this house extension in Japan by mA-style Architects (+ slideshow). More
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
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
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
Australian studio Edwards Moore has revamped a small brick house in Melbourne by adding a new storey and a translucent roof (+ slideshow). More
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
Terracotta tiles resembling brickwork cover parts of this house extension in Dublin by Irish practice GKMP Architects (+ slideshow). More
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