Overgrown and dangerous stones

These granite stones where placed here some months ago to prevent vehicular access, however they have slowly become overgrown and could now become a hazard to pedestrians & vehicles.

I and my neighbor's have all received via anonymous letters from the Braunstone Conservation Group, stating that permission is required to walk or drive on or around the grass or pavement area of Cressida Place and the adjacent footpaths.

Failure to do so will result in damage to our property, I'm currently unsuccessful able to find a contact port for the conservation group so am unable to make a formal complaint.

Surely the granite stones would be seen as a potential compensation risk should anyone become injured due to falling over or walking into such large and irregularly shaped objects even after the overgrowth is removed.