Can anyone tell me how and the name of the lock so as I can lock and unlock my gate from both sides easily.
Much appreciation Cattyone
Solved! See most helpful response
https://www.bunnings.com.au/lokklatch-deluxe-gate-latch_p4150111 This is the one I have used.
You could also use a pool gate latch but if the fence is high it can be difficult to unlock from both sides.