Architecture studios FARM and KD Architects have converted a 1920s shophouse in Singapore into a residence with a swimming pool stretched along the ground floor. More about The Pool Shophouse by FARM and KD Architects
A mysterious black gable frames two new bedrooms on the roof of a house in the outskirts of Paris. More about Une Maison sur la Maison by THE Architectes
London architects Liddicoat & Goldhill added an extension to a south London home with an oak-screened staircase and double-height windows. More about The Orangery by Liddicoat & Goldhill
Austrian architects Atelier Thomas Pucher built a glass box and courtyard onto this house in Graz to bring the family's living space outdoors (+ slideshow). More about Villa SK by Atelier Thomas Pucher
A chunky bay window protrudes from this timber-clad addition to a house in Ontario by Canadian studio The Practice of Everyday Design (+ slideshow). More about Eden House by The Practice of Everyday Design
Belgian studio EXAR Architecture have replaced walls of brick and plaster with glass and Corten steel on this extension to a suburban house outside Brussels. More about Campanules by EXAR Architecture
Slovenian studio OFIS Arhitekti have added a bleached larch extension onto the side of a 1930s house in Ljubljana designed by modernist architect Josip Costaperaria. More about Villa T-Extension by OFIS Arhitekti
Patchy timber shields the glazed upper storeys of this extension to a historic town hall in southern Spain by architects Viar Estudio. More about Baeza Town Hall by Viar Estudio
Designed in Hackney: it's week four in our celebration of design from the London borough of Hackney and today's featured project is a modest glass extension to a house in Dalston by Shoreditch-based architects Platform 5. More about Designed in Hackney: Mapledene Road by Platform 5 Architects
Slideshow: the faceted copper envelope of this house extension near Sydney was designed by architects Innovarchi to resemble a roof. More about Balmain Archive by Innovarchi
Slideshow: German architects Schneider+Schumacher have completed an underground gallery that creates a bulge beneath the lawn of the Staedel Museum in Frankfurt. More about Staedel Museum extension by Schneider+Schumacher
The two storeys that London architects Project Orange have added to the roof of a redundant brick warehouse in Sheffield look like another building stacked on top. More about 192 Shoreham Street by Project Orange
A 1960’s bungalow in Cambridgeshire is hidden behind a Siberian larch-clad extension with a row of gabled roofs. More about The Lanes by Mole Architects
English architects Designscape have reversed the orientation of a country house in Bath by adding a prominent glazed entrance to its rear. More about The Fosse by Designscape Architects
A single-storey studio at the bottom of the garden of a semi-detached house in London creates a separation between work and domestic life for its residents. More about Suburban Studio by Ashton Porter Architects
London architects Gundry & Ducker have added a blackened larch extension onto the rear of a Victorian terrace in south London. More about Dove House by Gundry & Ducker
Climbing plants grow in the recesses of this mysterious steel fence, which conceals the entrance to a renovated coach house in north London. More about Murray Mews by Moxon Architects
Innsbruck architect Daniel Fügenschuh has completed a concrete and glass extension to a school at a former monastery in Rattenberg, Tyrol. More about Hauptschule Rattenberg by Daniel Fügenschuh
A frameless sheet of glass undulates around this barrel-vaulted conservatory in west London. More about The Glass Wave by Andy Martin Associates
Architect Renzo Piano has completed a new wing at the Isabella Stewart Gardner Museum in Boston, which opens next week. More about Isabella Stewart Gardner Museum extension by Renzo Piano