added reddish fetures
I'm pretty sure the area between Harrogate Road and the golf course isn't a common, as it has a big sign up saying it's a playing field belonging to St Elisabeth's School. See http://wiki.openstreetmap.org/wiki/Leisure%3Dcommon for an explanation of what the tag is meant to cover.
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Hosting is supported by UCL, Fastly, Bytemark Hosting, and other partners.