No official council statement on beach detecting was found. Search results show a 1995 Eastbourne byelaw for public walks and pleasure grounds that bans metal detectors, but the PDF could not be opened (site blocks automated access) to confirm whether any beach or seafront area is scheduled.
Covers
Holywell/Beachy Head foot to Sovereign Harbour
Watch out for
Pleasure grounds covered by the 1995 byelaws (scope unverified).
We couldn't find a published rule. Foreshore owned by the Crown Estate follows the Crown Estate's terms; for council-owned beaches, ask the council before you dig.
Detecting somewhere specific?
Tap any spot in England on the UK Detector map to check it against scheduled monuments, SSSIs, nature reserves, National Trust land and access land in one go. Free: 3 checks a day.