![Glasshouse Projects has designed a modern extension and renovation for an original 1890 sandstone cottage in Prospect, South Australia.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-house-extension-swimming-pool-110324-1105-01.jpg)
Glasshouse Projects, an architecture, interior design, and building firm, has shared photos of a mid-century modern inspired extension and renovation they completed for an original 1890 sandstone cottage in Prospect, South Australia.
![An original 1890s sandstone cottage in Australia.](https://www.contemporist.com/wp-content/uploads/2024/03/australian-architecture-110324-1102-02.jpg)
![An original 1890s sandstone cottage in Australia.](https://www.contemporist.com/wp-content/uploads/2024/03/house-front-door-110324-1103-01.jpg)
The extension can be accessed through the front door of the home, or via a side door off the driveway.
![The extension can be accessed through the front door of the home, or via a side door off the driveway.](https://www.contemporist.com/wp-content/uploads/2024/03/house-front-door-110324-1103-02.jpg)
The new extension, as well as renovation to the older part of the home, resulted in a new master bedroom with ensuite, dining, kitchen, butler’s pantry, laundry, powder room, guest bathroom, study, pool, and outdoor living area.
![A structured floating box with glass walls has a nearby sunken garden, a patio, and a rectangular pool.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-house-extension-swimming-pool-110324-1105-02.jpg)
A structured floating box with glass walls has a nearby sunken garden, a patio, and a rectangular pool.
![A structured floating box with glass walls has a nearby sunken garden, a patio, and a rectangular pool.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-house-extension-swimming-pool-110324-1105-04.jpg)
A stone wall alongside a path includes an area for an outdoor kitchen with a bbq.
![A stone wall alongside a path, includes an area for an outdoor kitchen with a bbq.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-landscaping-110324-1110-01.jpg)
The path connects the outdoor kitchen with the indoor kitchen, which features wood cabinets, Japanese ceramic tiles, laid vertically as a backsplash, and a minimalist stone island.
![A modern kitchen features wood cabinets, Japanese ceramic tiles, laid vertically as a backsplash, and a minimalist stone island.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-landscaping-110324-1110-02.jpg)
![A modern kitchen features wood cabinets, Japanese ceramic tiles, laid vertically as a backsplash, and a minimalist stone island.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-wood-white-kitchen-110324-1112-01.jpg)
![A modern kitchen features wood cabinets, Japanese ceramic tiles, laid vertically as a backsplash, and a minimalist stone island.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-wood-white-kitchen-110324-1112-02.jpg)
An open-plan dining area separates the kitchen from the living room, while 9-foot (3m) sliding glass doors connect the interior and exterior spaces.
![An open-plan dining area separates the kitchen from the living room, while 9-foot (3m) sliding glass doors connect the interior and exterior spaces.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-open-plan-dining-sliding-glass-wall-110324-1114-01.jpg)
In the living room, a stone fireplace creates a focal point, while open joinery intersects to create boundaries between the study and living spaces.
![In the living room, a stone fireplace creates a focal point, while open joinery intersects to create boundaries between the study and living spaces.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-open-plan-living-room-shelving-110324-1114-01.jpg)
This allows the homeowners to be working privately, yet still feel connected to the rest of the home, and enjoy the natural light provided by the skylight and oversized framing.
![An open wall of shelving below a skylight separates the living room from a home office.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-open-plan-living-room-shelving-110324-1114-02.jpg)
![An open wall of shelving below a skylight separates the living room from a home office.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-open-plan-living-room-shelving-110324-1114-03.jpg)
A minimalist design was chosen for the bedroom, with neutral furnishings and color palette.
![A minimalist design was chosen for the bedroom, with neutral furnishings and color palette.](https://www.contemporist.com/wp-content/uploads/2024/03/minimalist-bedroom-110324-1117-01.jpg)
In an ensuite bathroom, tiles adorn the walls, while the bathtub is positioned underneath a skylight, a wall of wood slats adds a sense of warmth, with storage below.
![In an ensuite bathroom, tiles adorn the walls, while the bathtub is positioned underneath a skylight, a wall of wood slats adds a sense of warmth, with storage below.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-bathroom-110324-1117-01.jpg)
![In an ensuite bathroom, tiles adorn the walls, while the bathtub is positioned underneath a skylight, a wall of wood slats adds a sense of warmth, with storage below.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-bathroom-110324-1117-02.jpg)
In another bedroom, a more neutral color palette has been chosen.
![A modern bathroom with a neutral colour palette.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-bathroom-light-colour-palette-110324-1118-01.jpg)
In a powder room, floor-to-ceiling wood walls are highlighted by the skylight.
![In a powder room, floor-to-ceiling wood walls are highlighted by the skylight.](https://www.contemporist.com/wp-content/uploads/2024/03/modern-powder-room-wood-walls-110324-1118-01.jpg)