Browse all house plans and home design blueprints available through Design Basics. You can even customize your search by square feet, floors, bedrooms, and more! Start your search today! Get the best House Plans and House Designs for your 150 Square Yards of Plot size. An Independent Duplex House can be easily Designed and constructed in 150 Square Yards. Of-course the ideal plot size is 200 Square Yards for comfortable Design, yet with Proper planning and Design, a small plot of 150 Square yards can have a nicely Designed House.