164 Heavy Anti-Aircraft Regiment RA (TA) was formed at Chislehurst in July 1942. The Regiment was disbanded in April 1945 at Monastery Camp, Kirkwall, Orkney.
| Jul 42 | Formed | Chislehurst, Kent, UK |
| Jul 42 | Home Forces | UK |
| Apr 45 | Disbanded | Orkney, UK |
Batteries
| Jul 42 | 394, 440, 446, 452 |
| Feb 44 | 357, 394, 440, 446, 452 |
| May 44 | 357, 394, 446, 452 |