I bought https://www.networldsports.co.uk/portable-garden-golf-net-7ft-x-7ft.html and it’s fine in the garden, no concerns about missing it, hit both irons and drivers into it no problem.They’re garbage. I ended up buying a heavy duty multi use net that could take a full swing strike, however you miss it with a shank or sky shot and it’s going towards a neighbours house/car.
I wouldn’t hit a ball in the garden again personally! I found having to restrict my swing in order to avoid the above hurt my game.
Bought a Colin Montgomery one on Amazon. Was fine until one day I hit a drive and it went through to neighbours gardens. Stopped after that. However, I guess if one can put an extra layer of archery netting around it would actually work fine.