The Apartment Third Floor layout shows a 43x20 meter size. 3 BHK Apartment Third Floor Layout includes column placement, 3 bedrooms, living room, kitchen, dining area, and staircase is available. centerline plan is also available in this file.3 BHK Apartment Third Floor dimensions are in a meter. Thank you for downloading the AutoCAD drawing file and other CAD program files from our website. Visit CADBULL.COM Site.