1990

CIDB Awards for Construction Excellence for 78 Shenton Way

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1991

CIDB Awards for Construction Excellence for Raffles Place MRT Station

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1992

CIDB Awards for Best Buildable Design for 78 Shenton Way

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Marble Architectural Awards, Carrara Italy for 78 Shenton Way

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1993

CIDB Best Buildable Design Award for The Exchange

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1994

CIDB Best Buildable Design Award for Ngee Ann City

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CIDB Award for Construction Excellence for Ngee Ann City

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1995

CIDB Award for Construction Excellence for The Exchange

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2000

Award for Public Service Medal from the Prime Minister’s Office

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2005

Marble Architectural Awards, Carrara Italy for Equity Plaza

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2012

Fellow (Life) Award

Singapore Institute of Architects

2014

URA Architectural Heritage Award for Yueh Hai Ching Temple

Urban Redevelopment Authority Singapore

Award for Cultural Heritage Conservation for Yueh Hai Ching Temple

UNESCO Asia-Pacific

2016

President's Design Award 2016 Designer of the Year

The DesignSingapore Council & Urban Redevelopment Authority