1 BHK House Plans & Compact Low-Cost Floor Designs
1 BHK house plans are ideal for bachelors, young couples, retirees, or farmhouses and guest cottages. Designed with smart multi-functional furniture and open layouts, these homes maximize every square inch without feeling cramped.
450 sq ft
(50.0 sq yards)550 sq ft
Ground FloorEast Facing
Optimal Solar & Airflow Design₹8.5 - ₹14 L
Complete ConstructionEstimate Exact Building Cost for 15x30 to 20x30 ft (450 sq ft)
Calculate total cement, steel (TMT), bricks, sand, and labor costs for this exact floor area using our free India Construction Estimator.
₹9.6 Lakhs
₹12.1 Lakhs
₹16.5 Lakhs
Need a 15x30 to 20x30 ft Plot to Build this Plan?
Explore verified A Khata & BDA/BMRDA sanctioned plots (around 450 sq ft) for sale directly from owners and registered agents in Bangalore.
Recommended Room Dimensions & Space Orientation
Standard room proportions designed for comfort, furniture clearance, and maximum natural airflow.
| Room / Zone | Recommended Size | Recommended Orientation |
|---|---|---|
| Living & Dining | 10 ft x 13 ft | North-East |
| Open Kitchen | 7 ft x 8 ft | South-East |
| Master Bedroom | 10 ft x 11 ft | South-West |
| Bathroom | 5 ft x 6 ft | West |
Architectural & Ventilation Rules for 1 BHK House Plans
Optimal directional alignments for sunlight exposure, cross-ventilation, and privacy.
Space Optimization
Use sliding doors and built-in wardrobes to keep pathways clear.
Municipal Setbacks & Bylaws
Typical building setback clearances required for plan sanction (BDA, DTCP, GHMC, BBMP, CMDA).
Front
3 ft
Sample Blueprints for 1 BHK House Plans
Architectural Concept & Sanction Disclaimer
All floor plans, layouts, and architectural designs on this platform serve as conceptual design ideas. Users must consult licensed professional architects, structural engineers, and local municipal authorities for official structural drawings and statutory building sanction approvals. You may start using these plans as an inspirational concept and feel free to modify them; however, try to incorporate the recommended dimensions, structural setbacks, and ventilation guidelines as much as possible where practical for your site.
Frequently Asked Questions About 1 BHK House Plans
What is the minimum plot size for a 1 BHK house?
A 1 BHK house can comfortably be built on a plot as small as 15x30 (450 sq ft) or 20x25 (500 sq ft).