English . 繁體

about yi


y. i. & associates was founded in Hong Kong by Yvonne, I. L. IEONG in 2003. With the mission of providing a sustainable and socially responsible environment, we provide a broad range of professional services including architectural and interior design, project management, BD submission and Hong Kong BEAM Plus submission. As an Institute Member of Hong Kong Green Building Council, we support to have low carbon architecture and interiors, and adopt “Cradle to Cradle” ecosystem design direction and reframe design as a beneficial, regenerative force which has positive effects on our economy, ecology and society.


our mission


We strive to combat the climate change by providing sustainable architectural and interior design with a holistic approach considering the impact on the environment through microclimate study, passive and active design strategies, sustainable materials selection and aesthetic design. Taking exceptional care to every detail, we deliver our designs which best meet our clients’ needs with economic feasibility and in a timely manner.




M.Arch (U of Michigan, USA),
PRC Class 1 Registered Architect Qualification,
Hong Kong BEAM Pro, BEAM Faculty

Ms Yvonne Ieong is an experienced architect and interior designer and is dedicated to carrying out sustainable initiatives through her projects. She serves as Committee member of China Green Building Council, Hong Kong Environmental Campaign Committee, Hong Kong Professional Green Building Council, HKIA Environmental and Sustainable Development Committee & Planning and Land Committee, HKGBC Green Labelling Committee, and HKGBC BEAM Plus Interiors Steering Committee. She has been a task force member for HKGBC on HK Green School Guideline and Green School Competition, and review of BEAM Plus Existing Buildings Scheme.




Hong Kong Green Building Council Head Office
• Green Leadership Award – FuturArc, 2012
• Merit Award – Hong Kong Green Building Award, 2012
• Green or Sustainable Certificate of Excellence – Perspective Awards, 2011

“GIFT” Ideas Design Competition, Hong Kong Science Park, 2013
• Shortlisted Entry

Shanghai World Expo Macao Pavilion Concept Design Competition, 2010
• Selected Award

4th Macau Pavilion in ICIF Design Competition, 2008
• 1st Runner Up