The Regiment first formed as 7 London Brigade Royal Field Artillery (TF) in February 1920. It was re-designated in 1921 as 64 (London) Brigade Royal Field Artillery (TA). Its title changed again in 1922 to 64 (7th London) Brigade Royal Field Artillery (TA). It then became 64 (7th London) Field Brigade Royal Artillery (TA) in June 1924. 64 (7th London) Field Regiment RA (TA) was re-designated from 64 Field Brigade in November 1938 as a two battery unit. A third battery was raised in April 1941. Post war 64 (7th London) Field Regiment RA (TA) was placed into suspended animation in May 1946 and then re-constituted as 264 (7th London) Field 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.
| 3 Sep 39 |  |
London District | Fulham, London, UK |
| Nov 39 |  |
56 Infantry Division | Canterbury, Kent, UK |
| Jul 40 | |
56 Infantry Division | Hawkinge, Kent, UK |
| Nov 40 | |
56 Infantry Division | Beltring, Kent, UK |
| 1941 | |
56 Infantry Division | New Romney, Kent, UK |
| Sep 41 | |
56 Infantry Division | Ashford, Kent, UK |
| Nov 41 | |
56 Infantry Division | Colchester, Essex, UK |
| 1 Nov 42 | |
56 Infantry Division | Basra, Iraq |
| Nov 42 | |
56 Infantry Division | Kirkuk, Iraq |
| May 43 | |
56 Infantry Division | Enfidaville, Tuisia |
| Jun 43 | |
56 Infantry Division | Tripoli, Libya |
| 9 Sep 43 | |
56 Infantry Division | Salerno, Italy |
| Oct 43 | |
56 Infantry Division | Capua, Italy |
| Nov 43 | |
56 Infantry Division | Monte Camino, Italy |
| Feb 44 | |
56 Infantry Division | Anzio, Italy |
| 3 Apr 44 | |
56 Infantry Division | Port Said, Egypt |
| Apr 44 | |
56 Infantry Division | Quassasin, Egypt |
| Jul 44 | |
56 Infantry Division | Italy |
Batteries
| 1921 | 253, 254, 255, 256 |
| Nov 38 | 253 (18th London), 254 (19th London) – 255 & 256 Batteries to 117 Field Regiment |
| Apr 41 | 253, 254, 444 |
Equipment
| 1939 | 18 pdrs, 4.5 in Howitzers 4.5 in Howitzers, French 75 mm, 18/25 pdrs |
| 1940 | French 75 mm |
| 1941 | 4.5 in Howitzers, French 75 mm, 18/25 pdrs |