1 Anti-Aircraft Z Regiment RA was formed in January 1941 at Clifton under 46 Anti-Aircraft Brigade, 8 Anti-Aircraft Division. However, it was soon moved to London where it stayed for the rest of the war. 1 Anti-Aircraft Z Regiment RA disbanded in April 1945.
| Jan 41 |
 |
8 Anti-Aircraft Division, Formed 46 Anti-Aircraft Brigade |
Clifton, Bristol, UK |
| Jan 41 |
 |
1 Anti-Aircraft Division, 48 Anti-Aircraft Brigade |
London, UK |
| Jan 43 |
 |
1 Anti-Aircraft Group, 49 Anti-Aircraft Brigade
Regiment designated “Mixed” |
London, UK |
| Apr 44 |
|
Became 1 Anti-Aircraft Area Mixed Regiment |
Bickley, Kent, UK |
| Apr 45 |
|
Disbanded |
|
Batteries
| Jan 41 |
123, 129, 145 |
| Aug 41 |
103, 123, 129, 145 |
| Oct 42 |
103, 123, 145 |
| Dec 42 |
123, 145, 179, 187, 221 |
Batteries manned by Home Guard
| Battery |
Home Guard Unit |
Date from |
| 123 Battery |
104 County of London (Mixed) |
Nov 42 |
| 145 Battery |
105 County of London (Mixed) |
Nov 42 |
| 187 Battery |
107 County of London (Mixed) |
Nov 42 |
| 221 Battery |
108 County of London (Mixed) |
Sep 42 |
