528 (Hampshire) Coast Regiment RA (TA) was formed from part of the Hampshire Heavy Regiment RA (TA), in September 1940. RHQ was disbanded, the batteries joining 527 Coast Regiment RA (TA) in December 1942. 528 (Hampshire) Coast Regiment RA (TA) was not re-formed.
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
| Sep 40 | Formed from part of Hampshire Heavy Regiment | Portsmouth, Hampshire, UK | |
| Sep 40 |  |
Southern Command, Horse Sand Fort | Portsmouth, Hampshire, UK |
| Dec 42 | Disbanded |
Batteries
| Sep 40 | A (Horse Sand Fort), B (No Man’s Land Fort) |
| Apr 41 | 121 (Horse Sand Fort), 122 (No Man’s Land Fort) |