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Independent houses
Planned around your family's routines.Homes with the design sensibility to stay relevant for generations — tailored to your plot, budget and the way you live.
01The studio
We draw it, engineer it and build it — so the home you approve on paper is the home you walk into.
Design · Engineering · Execution
One studio, from the first line to the last brick.
Representative photography
About S3
One studio, from the first drawing to the keys.
S3 Infrastructure is an architecture, interior design and construction company based in Kodungaiyur, Chennai. Our architects, interior designers and civil and structural engineers work as one team — planning, approvals, construction and finishing — for homes and commercial spaces across Chennai, Hosur and Bengaluru.
The people behind it
Leads the studio
T. Srinivasan
Director & CEO
- DCE
35+years of experience
About S3
Structural engineering
Sharatheeswaran
Managing Director
- B.E.
- M.E. Structural
- AMIE
- AIV
10+years of experience
A structural engineer by training, he leads the structural side of S3's work — the load calculations and structural drawings behind each frame, and the stability certificates that approvals require.
- Structural design
- Stability certificates
- Site inspections
Design around your life.
Floor plans, elevations and interiors shaped around your routines, your plot and your budget.
Engineering to code.
Structural design, services drawings and approvals — calculated to IS codes and the National Building Code.
Execution on site, every stage.
Supervised construction with clear schedules, stage-wise quality checks and regular progress updates.
- years of experience — our Director & CEO
- Fig. 0135+years of experience — our Director & CEO
- cities — Chennai, Hosur, Bengaluru
- Fig. 023cities — Chennai, Hosur, Bengaluru
- turnkey packages with published specifications
- Fig. 033turnkey packages with published specifications
- accountable team, from first drawing to handover
- Fig. 041accountable team, from first drawing to handover
Homes we design and build.
From compact independent houses to villas and apartment blocks — each typology planned, engineered and built by the same team.
Photography is representative of each building type. Documented S3 case studies will be published here.
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Villas
Luxury that still works every day.Expansive, light-filled villas that balance generous living spaces with practical, functional planning.
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Duplex houses
Two levels, clearly zoned.Shared spaces below, private rooms above — duplex homes delivered with a full set of features within an agreed schedule.
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Bungalows
A signature of their own.Single-family bungalows designed through careful innovation, so each one feels distinct and generous.
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Apartments
Every square foot, working hard.Efficient apartment planning that never trades away natural light, ventilation or comfort.
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Row houses
Built in clear, seamless phases.Classic or contemporary, row-house plans are organised into phases so complex projects are delivered smoothly.
Your brief
Planning something different?
Commercial spaces, renovations or a typology not listed here — tell us about it.
Seven disciplines. One accountable team.
Every stage of your project is handled in-house — so design intent survives engineering, and engineering survives the site.
Representative
Architectural Design
Floor plans, 3D elevations and working drawings shaped around how you live — with Vastu-aware planning when you want it.
2D & 3D floor plans3D elevationsCivil drawings
Explore Architectural DesignInterior Design
Modular kitchens, wardrobes, false ceilings, TV units and pooja rooms, resolved in 3D and executed by our own team.
ResidentialCommercial3D visualisation
Explore Interior DesignResidential & Turnkey Construction
One contract from soil test to handover for independent houses, villas, duplexes and apartments.
Three published packagesSingle point of contactEngineer monitoring
Explore Residential & Turnkey ConstructionStructural Design & Engineering
Load and seismic calculations and structural drawings to IS codes and the National Building Code.
ETABS · STAAD ProStructural analysisCode compliance
Explore Structural Design & EngineeringRenovation & Remodeling
Kitchens, bathrooms, flooring, ceilings, electrical and plumbing — from a single room to the whole home.
Site assessment3D conceptsSupervised execution
Explore Renovation & RemodelingPlanning, Design & Approvals
Site analysis, feasibility and drawings prepared so permits and approvals are navigated before work begins.
Site analysisFeasibilityPermit coordination
Explore Planning, Design & ApprovalsConstruction Management & Execution
Detailed schedules, supervised stages and regular progress updates, so you always know where your build stands.
SchedulingQuality inspectionsProgress updates
Explore Construction Management & Execution- 01Architectural DesignFloor plans, 3D elevations and working drawings shaped around how you live — with Vastu-aware planning when you want it.2D & 3D floor plans3D elevationsCivil drawings
- 02Interior DesignModular kitchens, wardrobes, false ceilings, TV units and pooja rooms, resolved in 3D and executed by our own team.ResidentialCommercial3D visualisation
- 03Residential & Turnkey ConstructionOne contract from soil test to handover for independent houses, villas, duplexes and apartments.Three published packagesSingle point of contactEngineer monitoring
- 04Structural Design & EngineeringLoad and seismic calculations and structural drawings to IS codes and the National Building Code.ETABS · STAAD ProStructural analysisCode compliance
- 05Renovation & RemodelingKitchens, bathrooms, flooring, ceilings, electrical and plumbing — from a single room to the whole home.Site assessment3D conceptsSupervised execution
- 06Planning, Design & ApprovalsSite analysis, feasibility and drawings prepared so permits and approvals are navigated before work begins.Site analysisFeasibilityPermit coordination
- 07Construction Management & ExecutionDetailed schedules, supervised stages and regular progress updates, so you always know where your build stands.SchedulingQuality inspectionsProgress updates
From the first sketch to the keys in your hand.
Six clear stages, one team throughout. Scroll to watch a home take shape — from site analysis to handover.
Section A–A · illustrative · not to scale
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Consultation
We listen first: your plot, budget, lifestyle and long-term plans — and walk the site to understand its conditions.
- Site visit & analysis
- Budget & timeline
- Requirements brief
- 01
Consultation
We listen first: your plot, budget, lifestyle and long-term plans — and walk the site to understand its conditions.
- 02
Design
Floor plans, elevations and 3D views evolve with your feedback until the home on paper is the home you want.
- 03
Approvals
Drawings and documentation are prepared and the approvals process coordinated, so work starts compliant.
- 04
Construction
Soil testing, foundation, RCC frame, masonry and finishing — scheduled in detail and supervised by our engineers.
- 05
Quality control
Regular site inspections check workmanship against the approved design, with progress updates at every stage.
- 06
Handover
A final inspection against design and specification, then the keys — and a home that stands strong for generations.
Three packages. Built floor by floor.
Smart, Premium and Signature — every package covers structure, services and finishing, and the higher the tier, the higher the specification. The detailed material list is shared at consultation.
- Essential structure with quality materials
- Standard flooring and painting
- Basic electrical & plumbing
- Quality doors & windows
- Reliable finishing
- Upgraded structure with better materials
- Premium flooring and interior finishes
- Modern electrical & plumbing
- Designer doors & windows
- Elegant false ceiling with lighting
- Architectural design and elevation
- Premium materials and luxury finishes
- Designer electrical & plumbing
- Premium doors & windows
- Complete interior and exterior design
Rates are per square foot of built-up area — S3's published rates as of November 2026. Final pricing is confirmed after a site assessment.
- Customised designs
- Premium finishes
- Strong structure
- On-time completion
- Transparent pricing
Estimate your build in a minute. Choose a package, enter your built-up area and optional extras such as a sump, compound wall or solar — and get an indicative figure.
Cost calculatorFewer handoffs. Fewer surprises. A better home.
What homeowners get when the people who design the house are the people who build it.
Two ways to build a house
The usual way
The S3 way
- 01
One team, drawing to handover
Architects, interior designers and civil and structural engineers under one roof — and a single point of contact instead of a dozen vendors.
- 02
Costs and schedules in writing
Published package specifications, clear estimates, detailed schedules and regular progress updates throughout the build.
- 03
Engineers on every stage
Foundation, RCC, masonry, plastering and finishing are supervised by our engineers, with regular site inspections.
- 04
Structures to code
Structural design to IS codes and the National Building Code, with seismic and load-bearing calculations.
- 05
Planned for the climate
Natural light, cross-ventilation and energy-efficient planning — with Vastu requirements accommodated if you want them.
- 06
Specified, branded materials
Certified materials from trusted suppliers, with brands and allowances listed for every package.
In their words, unedited.
Reviews from homeowners on S3's Google Business Profile, quoted exactly as they were written.
On Google
4.7/ 5
Average of 125 reviews on S3 Infrastructure's Google Business Profile.
Read all reviewsWe gave our 2D plan and elevation design to S3 Architects and are extremely happy with their work. Their approach was professional, the design came out perfect, and we are 200% satisfied. Best quality service at an affordable price compared to the market. Highly recommend them!
- 02
“Brilliant concepts on Architecture and designs. It is a continued delight to work with the Architects of this firm. I would love to use their services again soon ,Good quality design and service & one of the best in Chennai”
Vinil KumarArchitecture & design · Google
- 03
“Interior design rendered by S3 Infrastructure is excellent and I wish need to continue this success in the future endeavours.”
Prem Sangeeth VijayanInterior design · Google
- 04
“Good Construction Company. They are Reliable, Advanced, Technically Strong, Fast in Completion. Trust Worthy. All the Best Team”
Kumar MukeshConstruction · Google
- 05
“Good Architects. They Patiently Fullfill your Requirements. I feel They are Best in This Field. I Highly Recommend S3 to All who Build their Dream Home. Thank You Team”
KalamHome design · Google
Start your project
Have a plot? Let's draw the first line.
Tell us about your site, budget and ideas. We'll come back with a clear plan, a realistic timeline and an honest estimate — from the people who will actually build it.