Yes.
COL7 and COL 20.

There will be an major adverse effect if either of the above mentioned are not on the local list of designated sites. To not include these will mean the councils own mitigation of rating these as moderate adverse impact. Causing harm to the significance of a heritage site should be avoided. This is quoted from the councils own website. I need not comment further.
The Mill Hall site sits on the ancient outer bailey of the 11th century Rayleigh Mount, adjacent to the 200 year old Grade 2 listed windmill which is also situated inside RDC designated conservation area.