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Best Duplex House Design in Bangladesh

Modern and luxurious duplex house designs are becoming increasingly popular in Bangladesh. At New Design & Consultant (NDC), we offer affordable and elegant duplex house design services that combine creativity, comfort, and functionality. With over 13 years of experience and more than 200 completed projects, we are recognized as a leading architectural and structural consultancy in Bangladesh.

A typical duplex house consists of two floors and is often considered a symbol of modern aristocracy. These houses serve as single-family residences, and when extended to three floors, become triplex villas or modern bungalows—ideal for leisure, recreation, or weekend getaways. We also design farmhouses, leisure cottages, and other customized luxury homes.

Types of Residential Designs Offered:

  • Duplex House Design
  • Triplex Villa Design
  • Farmhouse Design
  • Leisure Cottage Design
  • Bungalow House Design
  • Luxury Leisure House Design

Key Features of Our Duplex House Designs

  1. Grand Entry: Elegant and spacious main entrances connected with boundary walls and approach roads, designed to reflect architectural beauty and ensure privacy.
  2. Landscaping: Includes separate zones for vehicles and pedestrians, along with features like fountains, gardens, swimming pools, fishponds, and vegetable patches.
  3. Guest Zone: Located near the entrance and kept separate from the private family areas for maximum privacy.
  4. Service Zone: Contains kitchen, dining, servant quarters, and utility areas, designed for smooth operation while maintaining privacy.
  5. Family Living Area: Positioned on the first floor with master bedrooms, kids' rooms, reading and prayer areas, pantry, and lounge space.
  6. Large Family Terrace: A common refreshment area near the living zone, often featuring rooftop gardens and planter boxes.
  7. Vertical Fins & Pergolas: Exterior decorative elements that enhance the architectural style and modern look of the home.
  8. Elegant Internal Stair: Spiral, curved, or modern stairs that serve as both functional and aesthetic components.
  9. Rooftop Swimming Pool: Stylish pools with nearby changing rooms and seating zones, often with transparent roofing for sky views.
  10. Water Fountains: Indoor and outdoor fountains placed strategically for ambiance and visual appeal.
  11. Fishponds: Ornamental ponds near the entry, stocked with colorful fish and featuring automated circulation systems.
  12. Rooftop Gym: A private workout area equipped with basic gym gear, often adjacent to a toilet and prayer room.
  13. Common Facilities: Includes car parking, guard rooms, driver’s lounge, kitchen/toilet for staff, generator room, and more.

Low-Cost Duplex House Design & Construction

The cost of a duplex house design varies depending on several factors such as location, total floor area, choice of materials, and overall concept. Our designs typically cost between BDT 2,500/sft and BDT 5,000/sft, making NDC a top choice for low-cost house design in Bangladesh.

Key Factors Influencing Budget:

  • Site Location: Urban projects tend to be costlier due to higher land and labor costs.
  • Total Floor Area: A small 1500 sft duplex may cost around BDT 40–60 lakhs, while a luxury villa can range from BDT 2–10 crore.
  • Finishing Materials: Standard finishes cost BDT 2,500–3,000/sft; premium finishes can reach BDT 5,000/sft.
  • Design Concept: We offer both budget-friendly and premium design packages ranging from BDT 3–8 lakh for full architectural and engineering services.

Sample Construction Cost (2,500 sft Duplex)

  • Design & Consultancy: BDT 3–5 lakh
  • Digital Survey: BDT 10,000–25,000
  • Soil Test: BDT 7,000–10,000 per point
  • Site Prep: BDT 35,000–50,000
  • Foundation: BDT 850–1,200/sft (shallow)
  • Superstructure: BDT 2,000–3,000/sft
  • Finishing: BDT 1,500–2,000/sft
  • Electrical: BDT 750–1,250/sft
  • Plumbing: BDT 350–750/sft
  • Landscaping: BDT 250–350/sft
  • Labor: Civil: BDT 250–450/sft | Plumbing: BDT 10k–20k/bathroom
  • Optional: Fountains (BDT 5–25 lakh), Fishponds (BDT 3–7 lakh), Interior Design (BDT 15–25 lakh)

Conclusion

If you’re planning to build your dream duplex home, New Design & Consultant (NDC) is your trusted partner. From elegant entryways to rooftop amenities and low-cost execution, we turn ideas into reality with unmatched design expertise and technical precision.

Looking for the best duplex house design in Bangladesh? Choose NDC — where creativity meets affordability, and every square foot is designed for living better.