Oasia Hotel Downtown, Singapore
[Image © Patrick Bingham-Hall]
In December 2016, a new verdant tower of green was completed in Singapore's financial centre.
Oasia Hotel Downtown was designed by WOHA Architects and has been used as a prototype of land use intensification for the urban tropics; presenting an alternative to the sleek skyscrapers of the west.
In June 2018, the Council on Tall Building and Urban Habitat (CTBUH) gave the 16th annual Best Tall Building Worldwide award to the Oasia Hotel Downtown. Beating 48 finalists from 28 countries, the tower was chosen by a panel of architects, judged against every aspect of performance.
Antony Wood, Executive Director and Awards Juror at CTBUH said; "This project won not only because it incorporates 60 stories of green walls along the exterior, but because of its significant commitment to communal space. The tower has given over 40% of its column to open air communal terraces in the sky."
[Image © K. Kopter]
WOHA created a series of different strata, each with its own sky garden, allowing for recreational and social areas throughout the high-rise. Each sky garden is sheltered at high level by the one preceding it, with open sides for formal and visual transparency, and to allow cross-ventilation.
[Image © K. Kopter]
Landscaping forms a major part of the tower's aesthetic, used extensively as an architectural surface treatment. It achieves a Green Plot Ratio of 1,100%, and aims to become a 'haven for birds and animals', encouraging the return of biodiversity into a dense urban space.
[Image © K. Kopter]
[Image © Patrick Bingham-Hall]
The building incorporates 21 different species of 'creepers', with colourful flowers and greenery forming a mosaic on the red aluminium mesh cladding. Instead of a flat roof, the skyscraper is topped by a tropical circular bower.
[Image © Patrick Bingham-Hall]
Images and content courtesy of WOHA Architects.
[edit] Find out more
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
The sad story of Derby Hippodrome
An historic building left to decay.
ECA, JIB and JTL back Fabian Society call to invest in skills for a stronger built environment workforce.
Women's Contributions to the Built Environment.
Calls for the delayed Circular Economy Strategy
Over 50 leading businesses, trade associations and professional bodies, including CIAT, and UKGBC sign open letter.
The future workforce: culture change and skill
Under the spotlight at UK Construction Week London.
A landmark moment for postmodern heritage.
A safe energy transition – ECA launches a new Charter
Practical policy actions to speed up low carbon adoption while maintaining installation safety and competency.
Frank Duffy: Researcher and Practitioner
Reflections on achievements and relevance to the wider research and practice communities.
The 2026 Compliance Landscape: Fire doors
Why 'Business as Usual' is a Liability.
Cutting construction carbon footprint by caring for soil
Is construction neglecting one of the planet’s most powerful carbon stores and one of our greatest natural climate allies.
ARCHITECTURE: How's it progressing?
Archiblogger posing questions of a historical and contextual nature.
The roofscape of Hampstead Garden Suburb
Residents, architects and roofers need to understand detailing.
Homes, landlords. tenants and the new housing standards
What will it all mean?
























