TONG PEY HAW
Studio Phax / Principal
Pey Haw is a registered architect who believes in a holistic approach to the discipline. He is deeply involved not only in the conceptualization of design, but also in its execution and management—transforming aspirations into reality. In his work, he strives for creative solutions tailored to each project’s unique brief and challenges. He is also a designer with a keen eye for detail.
Pey Haw is a firm believer in continuing education. In his pursuit of self-improvement, he has successfully attained additional qualifications and certifications, including Certified Green Mark Manager (BCA), Certified Universal Design Assessor (BCA), and Certified Design for Safety Professionals (DfS Pro).

PREVIOUS EXPERIENCE
Pey Haw studied Architecture and Urban Planning. He began his tertiary education at the National University of Singapore, where he earned a Bachelor of Arts in Architecture. He later furthered his education at TU Delft in the Netherlands, graduating with a Master of Science in 2005.
Upon graduation, Pey Haw returned to Singapore and began his professional career at MKPL Architects. During this time, he was involved in several high-end condominium developments, including projects along Devonshire Road and Duchess Avenue.
In 2008, Pey Haw joined ONG&ONG. Between 2008 and 2015, he completed numerous residential developments, most notably Hundred Trees Condominium and City Square Residences. He also contributed to City Square Mall, a retail development with 65,000 sqm of leasable space. Additionally, he gained valuable international experience working on projects such as a wellness resort and commercial development in Sungai Pulai (Malaysia), a 40-storey residential tower in Johor (Malaysia), a mixed-use development in Yangon (Myanmar), and residential developments in Ho Chi Minh City (Vietnam).
In 2015, Pey Haw joined Aedas Limited, where he led the conceptualization and design of large-scale developments including a smart city residential and commercial project, and Soleil Danang, a mixed-use complex comprising serviced apartments, condominiums, and commercial spaces in Danang, Vietnam.
In 2016, Pey Haw returned to ONG&ONG, where he continues to practice to this day. Since his return, he has led both the design and execution of a variety of projects in hospitality, residential, and transportation sectors. Notable works include Artyzen Hotel (a luxury hotel on Cuscaden Road, Singapore), Citadines Hotel with a commercial component in Serangoon Road, a condominium development in Floral Drive, residential developments in Tampines, and infrastructure projects such as Bahar Junction and Jurong West MRT stations in Singapore.
In 2024, Pey Haw founded Studio Phax, where he brings his extensive experience and holistic design philosophy to a new generation of architectural practice.
QUALIFICATION
EDUCATION
Master of Science in Architecture
Technical University of Delft, the Netherlands
Bachelor of Arts (Architecture)
National University of Singapore
ACCREDITATION & MEMBERSHIP
Registered Architect, Board of Architects Singapore (BOA) — Qualified Person
Certified Green Manager (BCA)
Certified Universal Design (UD) Assessor (BCA)
Design for Safety for Professionals (DfSP) — Certificate of Competency (BCA)
PROFESSIONAL EXPERIENCE
Current
Studio Phax — Principal
2024
Woods Bagot Singapore — Associate Principal
2022- 2024
ONG&ONG Pte Ltd — Director
2017 – 2022
ONG&ONG Pte Ltd — Associate Director
2016 – 2017
ONG&ONG Pte Ltd — Senior Associate
2015 – 2016
Aedas Limited, Singapore — Senior Associate
2014 – 2015
ONG&ONG Pte Ltd — Senior Associate
2012 – 2013
ONG&ONG Pte Ltd — Associate
2008 – 2012
ONG&ONG Pte Ltd — Senior Designer
2005-2007
MKPL Architects — Architect (NR)
SELECTED PROJECT EXPERIENCE
COMMERCIAL
Tekka Place
*BCA Green Mark -Platinum Award
City Square Mall
*BCA Green Mark -Platinum Award
*BCA Universal Design Award
MIXED-DEVELOPMENT
Soleil Danang(Vietnam)
Pyay Road Mixed Development(Myanmar)
Sungal Pulai Wellness Resort (Malaysia)
HOSPITALITY
Artyzen Hotel (Singapore)
*Asia Property Award-Best Hotel Architecture & Interior Deisgn
Citadines At Serangoon (Singapore)
*BCA Green Mark -Platinum Award
RESIDENTIAL
Parcel K Residential Development C15& C16
*BCA Green Mark- Gold Plus Award
*HDB Design Award – Shortlisted (To-Be-Built Category)
Hundred Trees Condominium
City Square Residences
Devonshire Road & Duchess Avenue Residences
MASTERPLAN
Sungal Pulai Wellness Resort (Malaysia)
JBCC 2 (Malaysia)
TRANSPORTATION
Bahar Junction Station
Jurong Pier Station
Pasir Ris East Station
Punggol Station