If anyone wants to read dozens of PDFs, here are some of of Greenlink's planning applications for where the cable comes onshore at Freshwater West, including responses made to the planning committee:

https://planning.agileapplications.co.uk/pcnpa/application-d...

https://planning.agileapplications.co.uk/pcnpa/application-d...

The latter application includes a Archaeological Written Scheme of Investigation (WSI) which explains what needs to be done to avoid disturbing things of archeological importance. No mention of fictional elves in there, but I wasn't expecting any.

This is specifically with Pembrokeshire Coast National Park Authority, who are responsible for the beach. Pembrokeshire County Council have their own planning authority, e.g.:

https://planning.agileapplications.co.uk/pembrokeshire/appli...