Since the units vary in size, please check the size in the list of the game you want and then add 1 meter and a half its width and 7 meters in length. If you can imagine two cars parked in your location settings, chances are you have sufficient space. Most yards entry, 2 car can accommodate a unit of 15 x 15 foot. If you have a long patio, possibly some of the biggest units fit well. Do not forget your distance to the ceiling! You will need an area free of trees, telephone or electricity cables, etc.