570 Coast Regiment RA was formed from Flatholme Fire Command with three batteries, in December 1941. RHQ was disbanded in June 1945 and 145, 146 and 299 Batteries went to suspended animation. The remaining batteries were disbanded.
| Dec 41 | Formed from Flatholme Fire Command – Severn Defences | Bristol Channel, UK |
| Dec 42 | Flatholme Fire Command | Barry, Glamorgan, UK |
| Jun 45 | Disbanded | Barry, Glamorgan, UK |
Batteries
| Dec 41 | 145, 188, 189 |
| Dec 42 | 145, 146, 170, 187, 205, 430 |
| Apr 44 | 145, 146, 170, 184, 187, 188, 189, 205, 299, 366, 422, 430, 431 |
