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. 524 (Lancashire & Cheshire) Coast Regiment RA (TA) was reconstituted as 420 (Lancashire & Cheshire) 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.
| Jul 40 | Formed from Lancashire & Cheshire Heavy Regiment | ||
| Jul 40 |  |
Western Command | UK |
| Apr 41 | Mersey Fire Command | UK | |
| Jan 45 | RHQ became 619 Infantry Regiment RA |
Batteries
| Jul 40 | A (Crosby), B (Perch Rock) |
| Dec 40 | A, B, 404 (Lytham St Annes), 405 (Fleetwood) |
| Feb 41 | A, B, 112 (Crosby), 404, 405 |
| Apr 41 | 109 (Perch Rock), 111 (Crosby), 112, 404, 405 |
| Aug 41 | 111, 112, 171 (Lytham St Annes), 357 (Perch Rock), 405 |
| May 42 | 111 (Perch Rock), 112, 131 (Crosby), 171, 405 |
| Oct 42 | 111, 131, 171, 405 |
Equipment
| 2 x 4 inch Guns | Crosby | 112 Battery |
| 2 x 4 inch Mk VII Guns | Fleetwood | 405 Battery |
| 2 x 4 inch Mk VII Guns | Lytham St Annes | 404 Battery |