STX transforms landscapes through creative solutions, resulting in dynamic spaces that are seamlessly integrated and memorable.








World Gold Winner: FIABCI World Prix d’Excellence Awards, Hotel Category, 2018

Design of the Year: President*s Design Award Singapore, 2018

Best Tall Building Worldwide: 16th Edition, Council on Tall Building and Urban Habitat (CTBUH) Tall Building Awards, 2018

Best Tall Building Asia & Australasia: 16th Edition, Council on Tall Building and Urban Habitat (CTBUH) Awards, Urban Habitat Category, 2018

Gold: Singapore Landscape Architecture Awards (SLAA), 2017

Design Award: 17th Singapore Institute of Architects, Architectural Design Awards, 2017

Building of the Year Award: 17th Singapore Institute of Architects, Architectural Design Awards, 2017

Outstanding Award: IFLA Asia-Pac LA Awards, Skyrise Greenery Category, 2017

Excellence Award: NParks Skyrise Greenery Awards, Commercial/Industrial Category, 2017


The Oasia Downtown Hotel, in the heart of Singapore’s business district, near Chinatown distinguishes itself as an unforgettable visual contrast, against a typically urban back-drop of concrete, steel and glass. A slender silhouette wrapped in a “living cloak” of climbing plants, it occupies entirely its tiny site, and is made up of horizontal stratums. Its four sky gardens at levels 6, 12, 21, 27, becomes new ground planes.

As a new genre, the building showcases an intimacy with greenery more typically found on the ground, by elevation of vegetation into the sky. Vegetation as architecture, combats rabid intensification of urban density – a means to re-imagine airspace as landscape space. This augments bio-diversity while providing visual relief from reflectance and glare, and thermal relief from urban heat island effects.

The “living cloak” of climbers became a giant organic mosaic of different species, textures and patterns, painted on a canvas in the sky. In time, Nature herself becomes the artist, for this living mosaic is expected to change over time, as plants find their own environmental equilibrium in space.