Our Story

We Are Passionate & Always Make Your Home Unique.

Sunil Withanage Associates is an architectural firm registered with the Architects Registration Board of Sri Lanka Institute of Architects since 2002, offering comprehensive Architectural, Engineering, Quantity Surveying, and Project Management Services in Sri Lanka.

Years of experience gained through working in several prestigious architectural and construction organizations led, Mr. Sunil Withanage to start his own architectural firm in 2002 and since then he has been able to successfully complete various projects in both residential and commercial developments to the satisfaction of his clients.


The founder, Mr. Sunil Withanage is an architect (Architectural licentiates in 2002), qualified in quantity surveying in City & Guild of London Institute in 1991 and N.C.T Civil Engineering in 1984.

We, at Sunil Withanage Associates always strive to provide our clients with state-of-the-art architectural solutions, combining both comfort and aesthetic beauty.

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Our Services

We offer a wide range of services from planning to execution.

Architecture Designing

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Structural Engineering

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Electrical Engineering

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Quantity Surveying

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Plumbing

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Project Management

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Our Projects

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