The social heart below.
Living, dining and entertaining spaces form the everyday centre of the home.
Colombo 5 · Sri Lanka
A different way
to live in Colombo.
The warmth of a house.
The convenience of an apartment.
Discover the home across two levels ↓
The first of its kind
Not just an apartment.
A duplex home.
Trillium Duplex Residences brings the spatial experience of a house into contemporary apartment living. Two interconnected levels allow living and private spaces to exist with greater separation.
Discover life across two levels →
Two floors change everything.Only 60 residences
Distinctly boutique.
Deliberately limited.
Only 60 homes create a more personal residential community: fewer neighbours, greater familiarity and a place to belong.
A place within the community.
10 unit types · 6 residence sizes
Find the home
that fits your life.
View the complete collection →Types 1 & 102,400 sq. ft.From LKR 143 millionLast 5 units
Types 2, 6 & 91,600 sq. ft.From LKR 98 millionLast 6 units
Type 51,500 sq. ft.From LKR 95 millionLast 4 units
Type 71,400 sq. ft.From LKR 85 millionLast 4 units
Types 3 & 81,200 sq. ft.Sold out
Type 41,100 sq. ft.From LKR 66 millionLast unit · 2nd floor
Prices are in LKR and inclusive of VAT and SSCL. Availability and pricing are subject to change. Pricing updated 31 August 2026.
Private rooms above.
Bedrooms and private family areas can exist separately from entertaining spaces.
A staircase of your own.
The internal staircase creates the vertical relationship normally associated with a house.
Home, with apartment convenience.
A house-like residential experience within a managed apartment building.
Flagship 4-bedroom residence · 3D walkthrough
Step inside.
Experience the finest expression.
Explore the development’s flagship four-bedroom duplex - the most expansive residence at Trillium. Its generous proportions and refined interiors present the clearest expression of how every home in the development is designed to look and feel.
Featured amenity · Level 3 Luxe · 200 ft high
Golf above the city.
A rooftop putting area, walking track and plunge pool framed by views towards the horizon, the ocean and the distant mountain ranges.
Explore all 25,000 sq. ft. of amenities →Colombo 5
Life within reach.
33, Lionel Edirisinghe Mawatha,
Colombo 05, Sri Lanka
SchoolsAsian International School · Elizabeth Moir School · British School in Colombo · Colombo International School · Royal College · Visakha Vidyalaya · D. S. Senanayake College · Gateway College · Lyceum International SchoolHospitalsAsiri Medical · Asiri Surgical · Lanka Hospitals · Ninewells Hospital · Kings HospitalShopping & lifestyleHavelock City Mall · Arcade Independence Square
Get directions ↗By Trillium
Over two decades of shaping Colombo living.
Trillium brings more than 20 years of residential development experience to this landmark Colombo 5 address. The project is strengthened by an established consultant team spanning architecture, structural engineering and building services.
ArchitectHarshana De Silva
LEAD Architectural Consultants (Pvt) Ltd.Structural EngineerAjith Vandebona
URO Structural Consultants (Pvt) Ltd.MEP EngineerPrathapange Somaratne
Prathapage Somaratne Asscoiates
LEAD Architectural Consultants (Pvt) Ltd.Structural EngineerAjith Vandebona
URO Structural Consultants (Pvt) Ltd.MEP EngineerPrathapange Somaratne
Prathapage Somaratne Asscoiates
Private viewings
Your home in Colombo.
Across two levels.
Discover the residence that best suits your family, lifestyle or investment requirements.