The Palmerston Forts along the Bristol Channel include:

Severn Estuary Line of Defences:

Lavernock Battery, Penarth Flat Holm Battery, Flat Holm Steep Holm Battery, Steep Holm Brean Down Fort, Weston-super-Mare

Others:

Nell's Point Battery, Barry Island Mumbles Head, Swansea Bay St Catherine's Fort, Tenby

References