There will be archaeological interest in a heritage asset if it holds, or potentially may hold, evidence of past human activity worthy of expert investigation at some point. Heritage assets with archaeological interest are the primary source of evidence about the substance and evolution of places, and of the people and cultures that made them. Source NPPF
If you have concerns about damage to a threat to archaeological remains
And please inform the Society chair@favershamsociety.info
You may find useful information here Kent’s Archaeology