Published: Thursday 26 July 2012
Take a look at these comparisons of National Trust properties for idea of how poor Google's map coverage is.
The bonus of OpenStreetMap is that it is open, free and contributes to the well-being of Internet citizens. Surely it looks good when a national charity starts using (and contributing to) it... check out this OpenStreetMap project: Switch 2 OSM
The OSM maps below are interactive