43 Anti-Aircraft Brigade was raised in October 1938 at West Hartlepool, Co. Durham. It served with Anti-Aircraft command its entire war mostly in the North East. It moved south in June 1944 as part of the Diver defences against the V1 Rockets. 43 Anti-Aircraft Brigade was disbanded in November 1944.
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.
| Oct 38 | Raised West Hartlepool |  | 3 Anti-Aircraft Division |
| Jun 39 | North East England |  | 7 Anti-Aircraft Division |
| Oct 42 | North East England |  | 6 Anti-Aircraft Group |
| Mar 44 | North East England | | 5 Anti-Aircraft Group |
| Jun 44 | South East England Diver defences | | 2 Anti-Aircraft Group |
| Nov 44 | Disbanded |
Order of Battle 1939
| 85 (Tees) Anti-Aircraft Regiment (174, 175, 220 Batteries) |
| 47 (The Durham Light Infantry) AA Battalion RE (386, 387, 388, 389 Companies) – Searchlights |
| 1/5 Battalion Durham Light Infantry (54 Searchlight Regiment) (411, 412, 413 Companies) |
| 2/5 Battalion Durham Light Infantry (55 Searchlight Regiment) (414, 415, 416 Companies) |
Order of Battle 1940-41
| 8 (Belfast) Heavy Anti-Aircraft Regiment (21, 22, 23, 414 Batteries) |
| 59 (Essex Regiment) Heavy Anti-Aircraft Regiment (164, 167, 265, 429 Batteries) – Joined Summer 1941 |
| 73 Heavy Anti-Aircraft Regiment (209, 210, 311 Batteries) – Left May 1941 |
| 126 Heavy Anti-Aircraft Regiment (423, 425, 426 Batteries) – Joined July 1941 |
| 50 Light Anti-Aircraft Regiment (58, 93, 178 Batteries) |
| 72 Light Anti-Aircraft Regiment (212, 213, 217 Batteries) – Joined January left Summer 1941 |
| 47 (Durham Light Infantry) Searchlight Regiment (386, 387, 388, 389 Batteries) |
| 55 (Durham Light Infantry) Searchlight Regiment (414, 415, 416, 530 Batteries) |
| 3 AA Z Regiment (103, 107, 115, 118 Batteries) – Joined Summer 1941 |
| 11 AA Z Regiment (134, 137, 138 Batteries) – Joined Summer 1941 |
Order of Battle 1941-42
| 123 Heavy Anti-Aircraft Regiment (402, 404, 414, 417 Batteries) |
| 126 Heavy Anti-Aircraft Regiment (423, 425, 426, 431 Batteries) – Returned August 1942 |
| 145 (Mixed) Heavy Anti-Aircraft Regiment (500, 501, 502, 572 (M) Batteries) – Joined April 1942 |
| 31 Light Anti-Aircraft Regiment (61, 101, 224, 447 Batteries) – Joined June left June 1942 |
| 41 Light Anti-Aircraft Regiment (133, 134, 143 Batteries) – Left April 1942 |
| 68 Light Anti-Aircraft Regiment (203, 204, 278, 461 Batteries) – Joined May left June 1942 |
| 136 Light Anti-Aircraft Regiment (386, 453, 474, 482 Batteries) – Joined June 1942 |
| 53 (Royal Northumberland Fusiliers) Searchlight Regiment (408, 409, 410, 565 Batteries) – Left August 1942 |
| 7 AA Z Regiment (106, 109, 110, 117 Batteries) – Joined May 1942 |
Order of Battle 1942-44
| 123 Heavy Anti-Aircraft Regiment (402, 404, 414, 417 Batteries) – Left November 1942 |
| 126 Heavy Anti-Aircraft Regiment (423, 425, 426, 431 Batteries) – Left November 1942 |
| 129 (Mixed) Heavy Anti-Aircraft Regiment (444, 445, 454, 455 (M) Batteries) – Joined April 1943 |
| 145 (Mixed) Heavy Anti-Aircraft Regiment (500, 501, 502, 531 (M) Batteries) – Left April 1943 |
| 136 Light Anti-Aircraft Regiment (386, 453, 474, 482 Batteries) |
| 7 AA Z Regiment (106, 109, 110, 117, 226, 229 Batteries) |
Order of Battle 1944-45
| 129 (Mixed) Heavy Anti-Aircraft Regiment (444, 445, 454, 455 (M) Batteries) – Re-joined August 1943 |
| 130 (Mixed) Heavy Anti-Aircraft Regiment (442, 443, 448, 449 (M) Batteries) – Joined September 1944 |
| 132 (Mixed) Heavy Anti-Aircraft Regiment (435, 450, 457, 469 (M) Batteries) – Joined October 1944 |
| 134 (Mixed) Heavy Anti-Aircraft Regiment (459, 460, 461, 583 (M) Batteries) – Joined October 1944 |
| 138 Heavy Anti-Aircraft Regiment (419, 424, 437, 438 Batteries) – Joined August left September 1944 |
| 183 (Mixed) Heavy Anti-Aircraft Regiment (564, 591, 608, 640 (M) Batteries) – Left August 1944 |
| 188 (Mixed) Heavy Anti-Aircraft Regiment (630, 632, 642 (M) Batteries) – Joined October 1944 |
| 189 (Mixed) Heavy Anti-Aircraft Regiment (575, 577 (M) Batteries) – Joined October 1944 |
| 95 Light Anti-Aircraft Regiment (297, 302, 460 Batteries) – Joined September left October 1944 |
| 97 Light Anti-Aircraft Regiment (232, 301, 480 Batteries) – Joined August left October 1944 |
| 135 Light Anti-Aircraft Regiment (445, 447, 450 Batteries) – Joined August left September 1944 |
| 143 Light Anti-Aircraft Regiment (403, 410, 413 Batteries) – Left August 1944 |
| 58 (Middlesex) Searchlight Regiment (314, 425, 426 Batteries) – Joined September 1944 |