Shape Your Dream

Quality You Trust

CSR is a premium, engineering-led construction company in Bangalore. We plan, design and build with precision, transparent costing and strict supervision turnkey to interiors so your project is delivered on time and with confidence in BLR area

Engineered Right

25 Years Of Excellence In Work

Structural clarity, accurate BOQs and disciplined site control. Expect quality materials and predictable schedules for homes and commercial spaces across Bengaluru.

512+

Projects finished on schedule.

25+

Years of trusted experience

1120+

Projects delivered in 2024

1520+

Skilled team, growing year-round

Our Services

turnkey construction

Chowdeshwari’s Ratna Group delivers end‑to‑end turnkey construction across Bangalore, with strong presence in Uttarahalli, RR Nagar, JP Nagar, HSR, Sarjapur Road and Hebbal. We handle design coordination, BOQs, approvals, engineering, procurement, civil works, MEP, interiors and final handover under one accountable team. Clients choose turnkey when they want fixed specifications, predictable milestones and a single point of contact. Our project managers maintain daily site logs, photo updates and cost trackers so you know exactly where your build stands.

Scope highlights

  • Planning, drawings and liaison (BBMP/BMRDA as applicable)
  • Structural design, RCC framing, waterproofing and finishing
  • Electrical, plumbing, fire/safety, solar and rainwater systems
  • Interior fit‑out: modular kitchens, wardrobes, ceilings, painting
  • Handover with snag‑free checklist, warranties and as‑built set

civil works

Premium civil contracting for villas, independent homes, apartments and commercial shells. We plan shuttering and reinforcement to reduce wastage, use IS‑certified materials, and cast concrete with cube‑test validation. Our supervisors enforce bar‑bending schedules, compaction tests and line/level checks at each pour. In flood‑prone zones of Bengaluru we add extra plinth protection, anti‑termite treatment and sump/soak sizing per soil reports.

Civil deliverables

  • Excavation, PCC/RCC, brick/blocks, lintels and slabs
  • Waterproofing of bathrooms, balconies, terrace and tanks
  • Plastering, flooring, doors/windows, exterior finishes
  • Site safety, scaffolding and debris management

architectural design

We partner with experienced architects to create functional, climate‑responsive plans for 30×40, 40×60 and larger plots. Designs emphasise daylight, cross‑ventilation, privacy and Vastu preferences when required. Elevations are engineered for long‑term maintenance—materials like HPL, textured paints and stone cladding are selected for Bengaluru’s weather. You receive 2D plans, 3D views, working drawings and municipal submission sets.

Design Scope

  • Concept to GFC drawings, elevation and landscape
  • BBMP/BMRDA submission drawings and support
  • Structural, electrical and plumbing coordination

structural design

Our structural engineers design safe, economical RCC frames aligned to IS codes and Bengaluru soil conditions. We optimise spans, beam depths and steel tonnage without compromising safety. Every drawing includes a detailed bar‑bending schedule and execution notes to minimise site errors.

Checks we perform

  • Soil report review; foundation selection (isolated/raft/pile)
  • Seismic and wind load compliance
  • Rebar, cover and lap‑length audits on site

renovation (2)

From kitchen/wardrobe upgrades to full villa retrofits, we complete makeovers without disrupting your neighbours. Work is scheduled in zones with dust control and daily clean‑up. Popular upgrades include bathroom waterproofing, window replacements, wall re‑layouts for open kitchens, terrace insulation and energy‑efficient lighting.

Popular remodels

  • Structural openings with lintel/beam strengthening
  • Bathroom redo with anti‑skid tiles and glass partitions
  • False ceilings, painting, veneer/laminate finishes

interior design

CRG’s interior team delivers functional, durable and elegant spaces. We combine factory‑finished modules with on‑site carpentry for the best value. Materials include BWR/BWP plywood, soft‑close hardware and VOC‑safe paints. For rentals we provide quick‑turn value packages; for luxury homes we execute custom designs with impeccable detailing.

What you get

  • Modular kitchens, wardrobes, vanities and storage
  • TV units, study areas, partitions and POP/gypsum ceilings
  • Lighting, curtains/blinds and complete painting

Build Your Dream

Design-to-handover with disciplined engineering, clear costs and tight supervision.

From drawings and permissions to civil, MEP and interiors, our PMC-led approach reduces risk and rework. We align architects, engineers and vendors, track progress daily, and keep you updated so decisions are fast and budgets stay on target across Bengaluru project zones.

profile img

Vinay N Swamy

Founder & Chief

About Founders

Premium Construction Company In Bangalore CSR

In the beginning, it was an idea.

The idea to build something that lasts to enhance the quality of people’s lives has become a reality, thanks to CosmicNest, A practice made of people sharing a passion for design & attention to detail.

In these first ten years, important objectives have been reached, a solid foundation has been laid to achieve even more ambitious results.

Our Latest Works

Clients Speak In BLR

Testimonials!

CRG built our RR Nagar home turnkey. Clean site, clear updates and BOQ costs matched. Finishes as promised—reliable BLR team.

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Meera N. Rao RR Nagar Homeowners

From planning to handover, the team solved issues fast. Solid structure, perfect waterproofing and interiors matched drawings

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Suresh K. Gowda Uttarahalli Owner

Compared many builders—CRG led with discipline. Weekly progress, safe sites and quality civil and MEP. Great for BLR builds.!

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R. S. Naik Homeowner

Approvals, structure and interiors handled smoothly. Responsive engineers and great finish quality. We will rehire CRG again.

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V. S. Rao Manager

Contact Us

Ready to build in Bangalore? Call us today for a site visit.

FAQs Construction Company in Bangalore

Per‑sq‑ft rates vary by specification, design complexity and site conditions. In Bengaluru, a realistic 2025 ballpark is:

- Basic spec: ₹1,900–₹2,250/sq ft (IS‑grade bricks/blocks, standard fittings)

- Standard/premium mix: ₹2,350–₹2,800/sq ft (branded tiles/sanitary, granite, modular kitchen)

- Luxury: ₹3,000–₹4,500+/sq ft (imported finishes, central AC, automation)

Key drivers are structural tonnage, span lengths, foundation type (isolated/raft/pile based on soil), waterproofing scope, window systems, staircase detailing, elevation materials and MEP choices. Corner sites, tight lanes or deep rock layers add labour/time costs. We estimate using approved drawings, BOQs and brand lists, not lump‑sum guesses. Our proposal shows material makes, labour splits and milestone payments, with a price‑lock window. During execution, we run purchase orders against BOQ to control variance and share weekly cost dashboards. Typical exclusions across Bengaluru contracts are approvals, power/water/road cutting charges and third‑party fees; we quote these transparently. For a 30×40 G+1 home with standard finishes, expect ₹45–₹60 lakh depending on design and soil. Villas with basements, lifts or high‑end interiors will move upward. Book a free site review in Uttarahalli/RR Nagar to receive a line‑item estimate tailored to your plot, soil and design preferences.

Turnkey means one accountable vendor delivers your project from planning to keys. At CRG, we integrate design coordination, BOQ‑based pricing, approvals support (BBMP/BMRDA as applicable), procurement, civil works, MEP, interiors and quality audits under a single contract. You receive fixed specifications, schedules and a milestone‑linked payment plan. Our PMC team prepares a micro‑schedule, vendor chart and site safety plan; daily logs and weekly photo reports keep you updated. We release purchase orders only against approved drawings and samples, which reduces change orders and leakages. Inclusions typically cover structure, masonry, plaster, waterproofing, flooring/tiling, joinery, electrical, plumbing, painting and basic interiors as per package. Exclusions are statutory fees, power/water connections, government charges, and optional upgrades you may choose later. The big advantage is risk transfer—design gaps, vendor delays and material coordination become our responsibility, not yours. For homeowners in Uttarahalli, RR Nagar, JP Nagar and across Bangalore who want predictability and a single point of contact, turnkey offers the best cost‑to‑control ratio. We finish with a snag‑free checklist, warranty cards and an as‑built set for future maintenance.

For a typical 30×40 or 40×60 residential plot, a well‑planned G+1 build takes about 9–12 months from excavation to handover. Timelines depend on approvals, soil (and foundation type), design complexity, weather and material lead times. A typical schedule: 1–1.5 months for approvals and mobilization; 2–3 months for foundation, plinth and ground‑floor slab; 2–3 months for first‑floor slab; 2–3 months for walls, plastering and waterproofing; 1–2 months for flooring, doors/windows and painting; 1 month for electrical/plumbing finishes, fixtures and snag closure. Rainy months may shift slab dates; we plan pours around forecasts and protect curing. Procurement reliability matters—windows, tiles, sanitary and kitchen modules are ordered early to prevent site idle time. With turnkey, our PMC team runs a critical‑path schedule, vendor checklists and weekly progress meetings so you get predictable dates. For villas with basements, elevators or luxury interiors, buffer for 2–4 more months. We share a detailed Gantt chart during kick‑off and update it weekly until handover.

Approvals depend on your jurisdiction—BBMP (core city), BDA/BMRDA/CMC (outskirts/townships) or Gram Panchayat. For BBMP areas, you generally need: khata/extract, latest tax paid receipt, survey sketch, property card/RTC, mother deed/sale deed, encumbrance certificate, sanctioned plan from a licensed architect/engineer, and commencement certificate as applicable. For BMRDA layouts, ensure release order, DC conversion, approval letters and layout plan. If your site abuts a major road, fire NOC may apply; if the built‑up area crosses thresholds, BWSSB and BESCOM approvals are required. In heritage or buffer zones, additional clearances may be needed. CRG coordinates with your architect to prepare submission drawings (site plan, floor plans, sections, elevations, area statement) and structural stability certificate. We also support utility applications, temporary power/water, and road‑cut permissions. Keep ID proofs, photographs, and a notarized authorization handy if an authorized representative is filing. Timelines vary from 2–6 weeks depending on the file, officer workload and festive seasons. Always verify plot boundaries with a licensed surveyor before commencing work to avoid setbacks later. We provide a stamped as‑built set at handover to simplify future modifications and maintenance.

Labour‑only means you hire and manage masons, carpenters, electricians and plumbers yourself and pay them by day or item. You must issue drawings, procure materials, coordinate vendors, ensure safety and check quality. It seems cheaper on paper but typically leads to wastage, schedule slippage and rework—especially in Bengaluru where logistics, rains and traffic can delay supplies. A contractor or turnkey model puts one accountable team in charge of planning, BOQs, procurement, quality, safety, labour, and handover. You pay against milestones with clear inclusions. Because we buy at scale and schedule vendors in advance, we reduce idle time and material losses. Our recommendation: for a first‑time home build or if you live away from the site, choose turnkey; if you have deep construction experience and daily time to manage, labour‑only can work for small renovations. CRG can also offer hybrid models—client‑supplied items like tiles/lighting with our installation and warranty.

CRG runs a proven QA/QC checklist:

- Soil report review and foundation method statement

- Bar‑bending schedule validation; cover blocks and lap lengths checked before every pour

- Cube tests and slump checks for each batch; curing logs maintained

- Approved brand list for cement, steel, blocks, waterproofing and MEP

- Bathroom/terrace flood tests; window sill/drip courses; concealed line pressure tests

- Electrical earthing/DB chart; plumbing pressure test and slope verification

- Signed inspection registers at each stage with photo evidence

Safety measures include PPE, barricading, signage, edge protection and scaffolding audits. We implement daily toolbox talks, permit‑to‑work for high‑risk tasks and fire/first‑aid readiness. Neighbour comfort matters—debris control and defined working hours keep the street clean. Weekly audits by the project manager are shared with clients. This disciplined approach is why we deliver consistent quality across Uttarahalli, RR Nagar and the rest of Bengaluru.

Bengaluru has mixed soil profiles—red soil, weathered rock and hard granite layers. The right foundation comes from a soil investigation report, not guesswork. For low‑rise homes on firm strata, isolated/pad footings or combined footings usually suffice. Where bearing capacity is lower or loads are higher, a raft foundation spreads loads and resists differential settlement. In soft pockets or where basements are planned, piles may be recommended; we use rotary/bored piles with proper cage length, cover and concreting records. Plinth protection, antitermite treatment and proper backfilling/compaction protect the structure from moisture and settlement. CRG engineers design to IS codes, verify rebar cover and lap lengths on site and ensure waterproofing is integrated at the foundation and retaining walls. During estimation we share the soil report summary and the chosen foundation with BOQ quantities, so costs and safety remain transparent.

We start with clear scope: approved drawings, specification sheets and a BOQ with item‑wise quantities. Budgets are split into structure, finishes and MEP so you can see where money goes. During execution we release purchase orders against BOQ, run a material tracker, and compare actuals to plan every week. Design changes are recorded with a variation note that shows the cost/time impact before work proceeds. Our vendor network gives predictable pricing on cement, steel, blocks, windows, tiles and sanitary. For Bangalore’s rains and traffic, we add buffer time in the schedule to avoid idle labour. Transparent milestone billing ensures you only pay for completed work. Clients get weekly dashboards and photos; at slab stages we invite you for joint measurements. This discipline keeps your home on budget.

CRG offers structured post‑handover support. Civil workmanship warranty is typically 1 year; waterproofing warranties are 5–7 years based on product; window/door hardware follows OEM terms; electrical and plumbing fixtures are as per brand. We hand over an as‑built set with vendor and material details so items can be serviced easily. For the first year, our team visits on request to address settlement cracks, seepage spots after the first rain, or minor alignment issues. For villas and commercial spaces we also provide an optional annual maintenance contract that covers preventive checks for terrace waterproofing, external painting touch‑ups, sump/pump service, and electrical earthing health. Our goal is to keep your asset performing well long after possession.

Yes. For 30×40 (1,200 sq ft) and 40×60 (2,400 sq ft) plots, FAR/FSI and setback rules drive the plan. In many BBMP zones a 30×40 plot supports G+2 with a usable terrace; a 40×60 can support larger footprints, duplexes or rental floors. Popular 30×40 options include 3BHK duplex with a rental unit, or two 2BHKs per floor for yield. For 40×60, we often do a premium duplex with a home office, double‑height living and parking for two cars. We guide you on parking slopes, rainwater harvesting, solar, and borewell/sump sizes. CRG’s architects optimise daylight and ventilation while keeping services easy to maintain. Share your locality—Uttarahalli, RR Nagar or anywhere in Bangalore—and we can show sample plans, material palettes and budgets for each configuration.