This whole area is a industrial site called waterham business park and should be colour coded likewise. The two big gray areas, one behind and the one slightly to the left as looking at it like this and the 5 gray areas across the road( high street road) is a large eco, multi outdoor green house probably the 2nd biggest supplier of strawberries in the uk and expends much further now all the way to the right of the garage next to Thanet way . Also There’s a big industrial estate being built the other side of Thanet way in the small dark shadowed area that looks like a D