Is it edible? it smells nice .
No interactions present.
then it is theoretically edible - it has been used medicinally. I don't think it is particularly tasty, though. Lemon Balm is, of course, edible, and many find it tasty.
Best not to try it unless a positive identification has been made.
Lat/Lng: 51.8, -0.5
OS grid ref: TL0714