Key
| Heavy Anti-Aircraft Site |  | Ordnance Factory |  |
| Site No. early | Site No. late | Name | OS Grid Reference |
| A | H1 | Leighton Grange | SJ 672 573 |
| B | SJ 713 588 | ||
| C | H3 | Weston Lane Farm | SJ 721 538 |
| D | SJ 675 533 | ||
| H2 | Hassall | SJ 763 573 | |
| H4 | Walgherton | SJ 701 484 |
Gun Strengths
Battle of Britain & the Blitz
| Dates | 3.7 inch static | 3.7 inch mobile |
| May 40 | 0 | 8 |
| Jun 40 | 0 | 8 |
| Jul 40 | 6 | 8 |
| Aug 40 | 8 | 8 |
| Sep 40 | 8 | 0 |
| Oct 40 | 8 | 0 |
| Nov 40 | 8 | 0 |
| Dec 40 | 8 | 8 |
| Jan 41 | 8 | 8 |
| Feb 41 | 8 | 8 |
| Mar 41 | 8 | 8 |
| Apr 41 | 8 | 7 |
| May 41 | 8 | 7 |
Overlord & Diver
| Dates | 3.7 inch static | 3.7 inch mobile |
| Mar 44 | 4 | 8 |
| Apr 44 | 4 | 8 |
| Jun 44 | 4 | 0 |
| Jul 44 | 4 | 0 |