ProFriends, the developer of Lancaster Estates are hard to reach. Emailing and talking to them over the phone a couple of times to provide me copies of their street names so I can place them at OSM in advance. Unfortunately, I still did not get a favorable response.
Anyhow, I'm just checking the streets personally once in a while to check out if they have already placed street names on some streets.
Will be editing this area often so do update your navigation systems with OSM once in a while.