4 BHK & 3 BHK House Design Plans

17 Jun, 2025

4 BHK & 3 BHK House Design Plans

Are you planning your dream home and wondering how much space you really need? Whether you're building a 4 BHK or 3 BHK house, this guide will help you understand the essential aspects of space, design, cost, and construction. We also cover real estate insights with top building construction contractors in Bangalore like Avyukth Designs, known for their end-to-end architectural and turnkey solutions.

4 BHK House Design: Spacious Living Redefined

How much space is needed for a 4 BHK house?
A 4 BHK home typically requires 1800 to 2500 sq ft for a comfortable layout. A typical layout features four bedrooms, a spacious living area, a modern kitchen, a separate dining space, multiple balconies, utility areas, and three or more bathrooms. Larger 4 BHK homes also accommodate a pooja room, storage units, and a family lounge.

How to make a 4 BHK house?

Prioritize natural lighting and ventilation for a positive, airy space
Separate guest and private bedrooms for better privacy
Include a family lounge, home office or study area for functional living
Use modular and space-efficient kitchen plans
Plan for multi-purpose rooms like hobby spaces or indoor gym
Don’t forget to include parking areas and storage nooks

Required square footage for a comfortable 4-bedroom house is around 1800 sq ft minimum. For villas and premium homes, this could go up to 3000+ sq ft, considering space for verandas, servant quarters, and gardens.

4 BHK House Construction Cost in India

Type	Area (sq ft)	Approx. Cost (INR)
Basic	1800	₹65 lakhs – ₹75 lakhs
Premium	2500	₹85 lakhs – ₹1.2 Crores

???? Tip: Connect with trusted building construction contractors in Bangalore like Avyukth Designs for custom planning, 3D visualization, and structural safety checks.

3 BHK House Design: Functionality Meets Style

Best size for 3 BHK?
The ideal area for a 3 BHK house ranges between 1200 to 1800 sq ft. This provides enough space for a small to mid-size family with provisions for a guest room, two bathrooms, and spacious kitchen and living areas
.

How much land is required for 3 BHK?

Minimum land required: 1000 sq ft
Best for duplex homes: A 30x40 site (1200 sq ft)
Great for G+1 or G+2 residential buildings

Planning Tips:

Keep a compact but open layout with sliding partitions
Add balcony spaces for better light and ventilation
Choose clever storage solutions and minimalistic interiors
Use multi-functional furniture for space-saving

Explore Avyukth's 3 BHK house designs to choose a layout that matches your lifestyle, preferences, and budget.

How Many Floors Can You Build on a 30x40 Plot?

A 30x40 plot offers 1200 sq ft of land area.

You can ideally build G+2 floors (Ground + 2 upper floors)
Suitable for combinations like 2BHK + 3BHK, home + rental, or residential + office setups
Check with your local building bylaws and approvals

???? For multi-floor planning and sanction assistance, consult Avyukth Designs.

FAQs

What is the construction cost for a 30x40 site in Bangalore?
The cost typically ranges between ₹50 lakhs to ₹85 lakhs based on materials, design complexity, and contractor expertise.
How many square feet is a 30x40 house?
A 30x40 site offers 1200 sq ft plot area. With G+1 floors, built-up area becomes approx. 2400 sq ft, and G+2 adds more usable space.
How much space is needed for a 4 BHK house?
A well-designed 4 BHK needs 1800 – 2500+ sq ft for comfortable living.

Conclusion: Plan Smart, Build Better

Whether you’re building a 3 BHK or 4 BHK home, thoughtful planning, reliable construction, and experienced professionals make all the difference. Collaborate with top building construction contractors in Bangalore like Avyukth Designs for architectural plans, site supervision, interior design, and hassle-free approvals.

Turn your vision into reality with quality workmanship, budget transparency, and long-term value.