It is very important to understand precisely what a permission or consent for development or works actually gives permission for.
A consent or permission only allows what is expressly set out in the relevant documents and on the basis that conditions and any legal agreement are followed precisely. Anything outside of that may need a separate consent and, without such consent, may amount to a criminal offence in some circumstances.
Also of interest...
When considering permissions and consents for work that affect heritage assets relevant authorities must adhere to certain principles and obligations.
The processes in which Historic England records archeological and other heritage assets.