7 Anti-Aircraft Z Regiment RA was formed in September 1940 with four batteries in 7 Anti-Aircraft Division. The Regiment disbanded in April 1945.
| Sep 40 | Formed | ||
| Sep 40 |  |
7 Anti-Aircraft Division, 30 Anti-Aircraft Brigade | Tyneside, UK |
| Feb 42 | |
7 Anti-Aircraft Division, 43 Anti-Aircraft Brigade | Teesside, UK |
| Oct 42 |  |
6 Anti-Aircraft Group, 43 Anti-Aircraft Brigade | North East England |
| Feb 43 | Designated “Mixed” | ||
| Apr 44 | |
Became 7 Anti-Aircraft Area Mixed Regiment | |
| Apr 45 | Disbanded |
Batteries
| Sep 40 | 106, 109, 110, 117 |
| Dec 42 | 106, 117, 228, 229 |
Batteries manned by Home Guard
| Battery | Home Guard Unit | Date from |
| 106 Battery | 101 North Riding (Mixed) | Nov 42 |
| 117 Battery | 101 Durham (Mixed) | Nov 42 |
| 228 Battery | 104 County of Durham (Mixed) | Dec 42 |
| 229 Battery | 102 North Riding (Mixed) | Dec 42 |