Locating those tricky places

It's not always easy to let people know how to find a point in the Barbican.  The UK post code system is really good, and many services rely on it, but it is not accurate enough to locate the door were the buzzer to our flat is, or even where the ambulance access point is for Breton and Ben Jonson.

What3Words is a service which names each 3x3 meter square on the surface of the earth with three concatenated words.  For example "flops.glee.race" is the Breton and Ben Jonson ambulance access point:

Click to see this on What3Words

What3Words is also handy if you happen to be ...
... on a raft in the pacific (obtuse.causal.abolish)
... a bar in Sydney (flame.speeds.wipes)
... or the Waitrose sushi counter (funny.juror.music)