174 Field Regiment RA was formed from 8 Defence Regiment RA in January 1942 at Neswick Hall, Driffield with three batteries. The Regiment joined 55 Infantry Division which was a Home Defence Division. Originally in Northern Command, they moved to South Western District at the beginning of 1943. The batteries went to an independent role in January 1943. RHQ of 174 Field Regiment RA was disbanded in March 1943, personnel used to form RHQ 52 Heavy Regiment.
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.
| Jan 42 | Formed from 8 Defence Regiment | Driffield, Yorkshire, UK | |
| Jan 42 | Home Forces | UK | |
| Jul 42 |  |
55 Infantry Division | UK |
| Mar 43 | RHQ Disbanded, batteries became independent |
Batteries
| Jan 42 | A, B, C |
| Mar 42 | P, Q, R |
| Jan 43 | 159, 160, 161 |