[charlesmarshall]

Yes, from a front end point of view you can give the demo page a try - http://localyser.com/demo.html - using B1 1BB

Is that what you mean (still tired, shouldn't drink on school nights!)?

[ZeroGravitas]

What happens if someone else lives in "B1 1BB"? It's not obvious that they can click and then edit the current single entry that it returns.