I'd like to install a fence (180cm x 90cm) above a small wall (shown in photos below). Initially I wanted to screw C-shaped metal clips like 20cm below the top edge of the wall then vertically along my house'wall (see last picture with squares). The purpose is to prevent neighbours to see, so the top edge of the fence doesn't need to be that high.
Downside: the right edge of the fence won't be maintained by anything and wind will likely make it move quite a lot.
But then, what to do in order to avoid this? Is there a better solution altogether?