About Us
PRACTICE STATEMENT
Design Chateau Architect (Pvt) Ltd. is an Architectural Consultancy practice established by Archt. Dhammika Nayanajith Wimalasena in 2013. It engages with clients who share in the reward of accomplishing bold visions to enrich their daily lives, who prioritize quality over quantity, and who place value in achieving inventive and well-crafted spaces that are precisely detailed and finished to enhance the value of clients’ life.The practice distils a holistic detail design approach in delivery of highly creative and practical architectural solutions on site, that resonate conceptual rigour with the command of materials and systems. A strong emphasis is placed on a critical synthesis of the opportunities and constraints of each site, context and client brief for the creation of uniquely blending and sustainable outcomes in response to place, landscape and patterns of use.The practice has been widely published locally and has garnered a reputation for delivering design excellence on often complex sites. It has extensive experience across varied scales and building types and provides highly personalized architectural services to clients engaged in all stages of each project, underscored by solid working relationships with consultants and contractors. Projects encompass new houses, additions and alterations to existing houses, office buildings, educational institutes, hotels, villas, restaurant and workplace environments.
The driving force behind the DC Architech

Archt. Dhammika Nayanajith Wimalasena - Director
Architect Dhammika Nayanajith Wimalasena is an Associate Member of the Sri Lanka Institute of Architects (SLIA). He holds a B.Sc. in Built Environment from the University of Moratuwa and commenced his professional journey at the “State Engineering Co-operation, Sri Lanka,” where he garnered foundational experience in the field. Building on this, he pursued his M.Sc. in Architecture from the University of Moratuwa, subsequently attaining the Charter in 2010 from SLIA upon joining “Engineering Consultants (Pvt) Ltd, Sri Lanka.”His career has been marked by enriching collaborations with esteemed firms such as “Design Advocacy (Pvt) Ltd, Sri Lanka,” “Sierra Property Development (Pvt) Ltd, Sri Lanka,” and “Team Works Associates (Pvt) Ltd., Sri Lanka,” where he served as a Senior Architect. In 2017, he embarked on his entrepreneurial journey, establishing his own practice and lending his expertise to diverse architectural endeavors. In addition to his professional pursuits, Architect Tharanga is actively engaged in academia, serving as a Visiting Lecturer at Kothalawala Defense University (KDU) and the Sri Lanka Institute of Information Technology (SLIIT). His dedication to both practice and education underscores his commitment to advancing the architectural landscape in Sri Lanka and beyond.

Archt. Dilshan Weerarathne - Director
Archt. Dilshan Weerarathne is an associate member of the Sri Lanka Institute of Architects {SLIA}. Being a product of the University of Moratuwa, Sri Lanka, he is fully qualified with a
B. Sc. in Built Environment [2005] and an M. Sc. in Architecture [2008]. His dissertation and the Comprehensive design project received commendations at the M. Sc. His practice expands throughout many reputed companies in the country. he worked at the Narein Perera Architects after the B.Sc. as a junior architect and was able to contribute to several award-winning projects including Arc Mathugama Chalet. Also, he gained much experience working at Thisara Thanapathi Associates and Engineering Consultancy Limited [ECL] as a project architect after the M.Sc.He received the Charter from the SLIA in 2010. During this time, he was able to gain experience and experience in many Mega scale projects like Commercial centers and mix developments, apartments, hospital projects, laboratory designs, auditorium designs, University designs, Hotels, Etc. He was able to establish his own practice in 2016 and successfully contributing to many Mega scale projects and residential developments ever since. Dilshan is currently contributing to shaping and molding the talents of the students as a visiting lecturer at the University of Moratuwa [UOM] and Kothalawala Defence University [KDU].