527 (Hampshire) Coast Regiment RA (TA) was formed from part of the Hampshire Heavy Regiment RA (TA), in September 1940. The Regiment was placed in suspended animation in January 1946. 527 (Hampshire) Coast Regiment RA (TA) was reconstituted as 406 (Hampshire) Coast Regiment RA (TA) in January 1947.
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 | Isle of Wight, UK | |
| Sep 40 |  |
Southern Command | Isle of Wight, UK |
| April 42 |  |
5 Corps | Isle of Wight, UK |
| Dec 42 | |
Southern Command, Culver Fire Command | Isle of Wight, UK |
| Jan 46 | Suspended animation |
Batteries
| Sep 40 | A (Culver Battery), B (Nodes Point & St Helens Fort) |
| Apr 41 | 118 (Culver Battery), 119 (Nodes Point), 120 (Nodes Point/St Helens Fort) |
| Jul 41 | 118, 119, 120 – 60 Coast Observer Detachment |
| Dec 42 | 118, 119, 120, 121, 122 – 60 Coast Observer Detachment |
| Mar 43 | 118, 119, 120, 121, 122, 441 (Yaverland Battery) – 60 Coast Observer Detachment |
| Jul 43 | 118, 119, 120, 121, 122, 441 |
| Apr 44 | 118, 119, 120, 121, 122, 123, 124, 125, 165, 183, 209, 441 |
| Feb 45 | 102, 103, 104, 105, 106, 107, 118, 119, 120, 123, 124, 125, 134, 165, 441 |
| Jun 45 | 118, 119, 120, 121, 122, 123, 124, 125, 183, 209, 239, 387 |
| Dec 45 | 119, 120, 121, 122, 123, 124, 183, 209, 239, 387 |
Equipment
| 2 x 9.2 inch Guns | Nodes Point Battery | 119 Battery |
| 2 x 6 inch Guns | St Helens Fort | 120 Battery |