Want a bit of privacy for your hot tub usage? Look no further, for I have placed one in the midst of trees, plants and flowers.
Playtested, 9x9, base game (no CC), 7,653 Simoleons.
To add a room to your lot, navigate to your Tray folder, usually found in Documents>Electronic Arts>The Sims 4>Tray and unzip the file into it or unzip in downloads and move the files into Tray.