This is so much better than a postcode which may even take you to the wrong side of a river or just somewhere in the right road.
Accurate to a 3m square!
Have a look at: https://what3words.com
Using “chins.diverged.crab” should take you somewhere familiar.
I could use it to locate my front door or the weatherproof box in my back garden for deliveries when I'm out.
This is too good to be allowed to fail.