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 and was reconstituted as 406 (Hampshire) Coast Regiment RA(TA) in January 1947.
| Sep 40 | Formed from part of Hampshire Heavy Regiment | Isle of Wight, UK |
| Sep 40 | Home Forces | Isle of Wight, UK |
| Dec 42 | Culver Fire Command | Isle of Wight, UK |
| Jan 46 | Suspended animation |
Batteries
| Sep 40 | A, B |
| Apr 41 | 118, 119, 120 |
| Dec 42 | 118, 119, 120, 121, 122 |
| Mar 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 |
