565 Coast Regiment RA was formed at Hunstanton with four batteries, in May 1941. RHQ and 229 Battery were disbanded in February 1943 and the remainder joined 546 Coast Regiment RA.
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.
| May 41 | Formed | Hunstanton, Norfolk, UK | |
| May 41 |  |
Eastern Command | Hunstanton, Norfolk, UK |
| May 41 | Home Forces | UK | |
| Feb 43 | Disbanded |
Batteries
| May 41 | 219, 229, 322, 323 |
| May 42 | 219, 228 (Cley Eye), 229, 323 |
| Nov 42 | 174 (High Cape), 219, 228, 229 |