524 (Lancashire & Cheshire) Coast Regiment RA(TA) was formed from part of the Lancashire & Cheshire Heavy Regiment RA(TA), in July 1940. RHQ was converted to 619 Infantry Regiment RA(TA) in January 1945. 619 Regiment was placed in suspended animation in October 1945 and was reconstituted as 420 (Lancashire & Cheshire) Coast Regiment RA(TA) in January 1947.
| Jul 40 | Formed from Lancashire & Cheshire Heavy Regiment | |
| Jul 40 | Home Forces | UK |
| Apr 41 | Mersey Fire Command | UK |
| Jan 45 | RHQ became 619 Infantry Regiment RA |
Batteries
| Jul 40 | A, B |
| Dec 40 | A, B, 404, 405 |
| Feb 41 | A, B, 112, 404, 405 |
| Apr 41 | 109, 111, 112, 404, 405 |
| Aug 41 | 111, 112, 171, 357, 405 |
| May 42 | 111, 112, 131, 171, 405 |
| Oct 42 | 111, 131, 171, 405 |
