📍 Budhanilkantha-02, Bhangal, Kathmandu, Nepal 🕒 Sun–Fri: 9:00 AM – 6:30 PM Regd. 184592/074/075 | PAN: 606829143
📞 +977 985-1137478 ✉️ simplexbuilder@gmail.com
⭐ Experienced Manpower & Engineering Quality

We Deliver On-Time Quality with Experienced Manpower

Simplex Builders Private Limited is Kathmandu's premier engineering and construction firm. We work strictly after full BOQ preparation and custom architectural estimates (not on arbitrary per sq. ft. figures) — delivering turnkey homes, 300+ m³ continuous raft foundations, and commercial projects with verified structural safety.

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Full BOQ Work & Estimate Item-wise transparent pricing
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Experienced Manpower Supervised by resident civil engineers
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300+ m³ Mat Foundation Continuous monolithic pours with 0 joints
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100% Vastu & NBC 105:2020 Earthquake-resilient structural designs
Claim Free Consultation WhatsApp +977 9851137478
Simplex Builders Civil Engineers and Construction Manpower on Site
SIMPLEX BUILDERS PVT. LTD.

Simplex Builders Private Limited

📍 Budhanilkantha-02, Bhangal, Kathmandu, Nepal | Regd. 184592/074/075

150+
Completed Projects in Kathmandu Valley
300+ m³
Continuous Pour Raft Foundations
100%
On-Time Quality Delivery Commitment
NBC 105
Earthquake Resistant & Vastu Compliant
What We Do

Comprehensive Construction Services in Nepal

We handle everything under one roof—from architectural planning and municipal approvals to civil structural engineering, interior fit-outs, and key handover.

Signature Service

Turnkey Home Construction

Complete A-to-Z residential construction with full material, labor, and municipal adherence. We take care of every detail with experienced manpower.

  • We work after full BOQ work & itemized estimate
  • RCC framed structure with certified OPC cement
  • Milestone-based transparent payment schedule
  • On-time delivery with zero hidden charges
  • 10-Year structural integrity guarantee
Inquire for Home
Heavy Civil Works

Mat / Raft Foundations

Specialized monolithic deep raft foundations up to 300+ cubic meters poured continuously without cold joints to secure soft Kathmandu soils.

  • Simultaneous dual concrete pump setup
  • Transit mixer rotation & laboratory cube tests
  • Engineered high-load distribution safety
  • Prevents uneven settlement in Valley clay
Inquire Foundation
Architectural & Legal

3D Design & Municipal Pass

Complete architectural blueprints, modern 3D elevations, structural analysis, and municipality Naksa Pass endorsement across all Kathmandu wards.

  • Vastu Shastra compliant room orientations
  • Certified ETABS earthquake modeling
  • Municipality building permit documentation
  • Realistic exterior & interior 3D renders
Get 3D Drawing
Commercial Interior

Salon & Commercial Fit-outs

Premium modern salon, boutique, retail, and commercial office interior execution with custom lighting, plumbing, and bespoke carpentry.

  • Custom styling stations & hydraulic plumbing
  • Acoustic false ceiling & ambiance LED lighting
  • Durable high-traffic flooring & moisture seals
  • Fast turnaround for business openings
Inquire Interior
Civil Engineering

Commercial Complex Building

Multi-storey shopping complexes, mixed-use commercial properties, and corporate office spaces engineered for heavy foot traffic and longevity.

  • Heavy structural column & beam confinement
  • Underground parking & water sump construction
  • Commercial fire-safety & emergency planning
  • Strict timeline management by veteran engineers
Commercial Inquiries
Retrofit & Renovation

Retrofitting & Structural Upgrade

Structural rehabilitation, column jacketing, micro-concreting, and floor additions for residential and heritage structures in Nepal.

  • Detailed non-destructive structural health audit
  • RCC beam & column cross-section enlargement
  • Waterproofing & crack repair injection
  • Seismic vulnerability reduction
Retrofitting Consultation
Quality Workflow

The Simplex Quality Handover Journey

From your initial requirement to receiving your keys with on-time quality delivery and experienced manpower.

Step 1 Design & Drawing
SIMPLEX BUILDERS PVT. LTD.
STEP 01

Design & 3D Drawing

We provide a clear picture based on your requirement and budget capacity. Includes 3D elevation, Vastu approval, and municipal Naksa Pass preparation.

Step 2 Full BOQ & Detailed Estimate
SIMPLEX BUILDERS PVT. LTD.
STEP 02

Full BOQ & Detailed Estimate

We work strictly after full BOQ work and detailed engineering estimate — not on arbitrary or flat per sq. ft. figures. Exact item-wise Bill of Quantities with zero hidden cost surprises.

Step 3 Discussion & Agreement
SIMPLEX BUILDERS PVT. LTD.
STEP 03

Discussion & Agreement

We explain every construction phase, terms, quality standards, and milestone timetable. A formal legal agreement is signed protecting your investment.

Step 4 Ready for Key Handover
SIMPLEX BUILDERS PVT. LTD.
STEP 04

On-Time Key Handover

We deliver on time with high quality and experienced manpower. We hand over the key of your finished home so you can start living your dream.

Proven Track Record

Featured Construction Projects

Real projects executed across Kathmandu, Lalitpur, and Bhaktapur by Simplex Builders Private Limited.

Modern Residential RCC Building – Bhaisipati Lalitpur
SIMPLEX BUILDERS PVT. LTD.
Bhaisipati, Lalitpur, Nepal

Modern Residential RCC Building – Bhaisipati

A modern multi-storey residential RCC-framed building under construction in Bhaisipati, Lalitpur with reinforced concrete columns, beams, slabs, quality brick masonry, and precision formwork scaffolding by Simplex Builders.

Dhumbarahi Commercial Building – Mat Foundation Kathmandu
SIMPLEX BUILDERS PVT. LTD.
Dhumbarahi, Kathmandu, Nepal

Dhumbarahi Commercial Building – Mat Foundation

A large-scale commercial building under construction at Dhumbarahi, Kathmandu, featuring a reinforced concrete mat foundation with over 300 m³ of concrete, extensive reinforcement steel, structural columns, formwork, and precision placement by Simplex Builders.

Semi-Residential & Commercial RCC Building – Chapali Kathmandu
SIMPLEX BUILDERS PVT. LTD.
Chapali, Budhanilkantha, Kathmandu, Nepal

Semi-Residential & Commercial RCC Building – Chapali

A multi-storey semi-residential and commercial RCC-framed building under construction in Chapali, Budhanilkantha, Kathmandu with reinforced concrete columns, beams, slabs, brick masonry, structural reinforcement, and quality execution by Simplex Builders.

Residential Building – Tokha Kathmandu
SIMPLEX BUILDERS PVT. LTD.
Tokha, Kathmandu, Nepal

Residential Building – Tokha

A multi-storey residential RCC-framed building under construction in Tokha, Kathmandu with reinforced concrete columns, beams, slabs, isolated footings, reinforcement detailing, foundation formwork, and brick masonry by Simplex Builders.

Direct Office Contact

Get in Touch with Simplex Builders

We deliver on time quality and we have experienced manpower. Visit our head office in Kathmandu or connect with our civil engineers directly via phone or WhatsApp.

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Corporate Address: Budhanilkantha-02, Bhangal, Kathmandu, Nepal
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Phone / Mobile: +977 9851137478 / +977 985-1137478
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Email: simplexbuilder@gmail.com
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Registration & Tax: Regd. No: 184592/074/075 | PAN: 606829143
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Office Hours: Sunday – Friday: 9:00 AM – 6:30 PM (Saturday by appointment)

Request Free Site Visit & Estimate

Fill out this form to send your requirement directly to our engineering team.

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