Civitas

Build your dream: house design and construction in Sri Lanka

02Who we are

Engineering
with purpose.

CIVITAS designs, engineers and builds homes and private projects. A new name with an established foundation: we are the private-sector company of Rathna Constructions (Pvt) Ltd, building in Sri Lanka since 1995.

Placeholder render: aerial view of a two-storey house with pool, deck and pergola
Our story

03The CIVITAS approach

Every great space
starts with an idea.

From the first line on a drawing to the final detail, design, engineering and construction under one roof.

The usual way

  • An architect, an engineer and a contractor
  • Three contracts, and you in the middle

The CIVITAS way

  • One contract, one team
  • One point of responsibility, start to finish
Discover the CIVITAS approach

04What we do

One project.
One team.

01ConsultationAdvice before you commit.02Design & PlanningDrawings you can build from.03EngineeringSafe, efficient, buildable.04ConstructionBuilt as agreed.
All services

05How we work

Your project.
Clearly managed.

  1. 01

    Discover

    We understand your requirements, site, lifestyle and expectations.

  2. 02

    Design

    We develop the concept, plans and technical requirements.

  3. 03

    Plan

    We establish scope, specifications, cost and project schedule.

  4. 04

    Build

    Our team manages construction, quality and progress.

  5. 05

    Deliver

    We complete, inspect and hand over your project.

06Track record

Proven
at scale.

Thirty years of government construction by Rathna Constructions, now behind every CIVITAS home.

30+Years of experienceEstablished in 1995
100+Projects completedSince 2020
30+Large-scale projectsEach over LKR 40 million

07Selected work

Experience
that speaks.

Completed family residence with white walls, timber louvres, deep roof eaves and rooftop solar panels
Completed home

Family residence

Timber louvres, deep roof eaves and rooftop solar.

Rathna Constructions

Buildings

Government building projects, delivered as a CIDA grade C4 contractor.

Rathna Constructions

Highways & bridges

Highway, road and bridge works for public infrastructure.

Rathna Constructions

Irrigation & drainage

Irrigation and drainage systems, CIDA grades C7 and C5.

All projects

More homes will be added as they are completed.

08From the field

Things worth
knowing.

Straight answers to the questions we hear most from people planning a home.

Cost · 6 min readHow much does it cost to build a house in Sri Lanka?Planning · 5 min read5 things to consider before starting your house projectQuotations · 6 min readWhat should you look for in a construction quotation?
All articles

09Your home

Your land.
Your vision.

Let’s turn your plans into a place you can call home.

Start your project
Civitas© 2026 CIVITAS · All rights reserved