Key
| Heavy Anti-Aircraft Site |  | Z Projector Battery |  | Airfield |  |
| Coast Battery |  | Radar Station |  |
The numbers in brackets after the site letter were added by me to differentiate between sites with the same letter code.
| Site No. | Name | OS Grid Reference |
| TN1 | Thorpe Bay | TQ 919 853 |
| TN2 | Butlers Farm | TQ 898 889 |
| TN3 | Hawkwell | TQ 852 947 |
| TN4 | Rayleigh | TQ 785 922 |
| TN5 | Belfair Farm | TQ 832 872 |
| TN6 | North Benfleet | TQ 731 899 |
| TN7 | Furtherwick | TQ 790 835 |
| TN8 | Northwick | TQ 755 840 |
| TN9 | Hadleigh | TQ 800 864 |
| TN10 | Vange | TQ 719 866 |
| TN11 | Abbotts Hall | TQ 691 827 |
| TN12 | Laindon | TQ 661 857 |
| TN13 | Buckland | TQ 679 711 |
| TN14 | Orsett | TQ 637 828 |
| TN15 | Chadwell | TQ 643 796 |
| TN16 | Buckles Farm | TQ 599 819 |
| TN17 | North Ockenden | TQ 599 856 |
| TN18 | Aveley | TQ 577 796 |
| TN19 | Ayletts | TQ 550 828 |
| TN20 | Dagenham | TQ 523 848 |
| TN21 | Crouchmans | TQ 940 869 |
| TN22 | Jotmans Hall | TQ 762 878 |
| TN23 | Belmont Castle | TQ 608 796 |
| TN24 | Wennington | TQ 542 809 |
| TS1 | Scrapsgate | TQ 943 736 |
| TS2 | Iwade | TQ 900 690 |
| TS3 | Wetham Green | TQ 845 684 |
| TS4 | Rainham | TQ 812 651 |
| TS5 | Twydall | TQ 795 678 |
| TS6 | Gibraltar Farm | TQ 782 631 |
| TS7 | Fort Borstal | TQ 733 654 |
| TS7(2) | Fort Borstal | TQ 736 666 |
| TS8 | Tower Hill | TQ 754 702 |
| TS9 | Oak Street | TQ 726 711 |
| TS10 | Fenn Street | TQ 802 756 |
| TS11 | Grain | TQ 893 754 |
| TS12 | All Hallows | TQ 849 783 |
| TS12(2) | All Hallows | TQ 843 780 |
| TS13 | Cooling | TQ 765 762 |
| TS14 | Lower Hope | TQ 720 779 |
| TS15 | Cobham | TQ 676 683 |
| TS16 | Denton | TQ 663 740 |
| TS17 | Northumberland Bottom | TQ 638 711 |
| TS18 | Green Street Green | TQ 591 708 |
| TS19 | Sutton at Hone | TQ 558 686 |
| TS20 | Littlebrook Farm | TQ 572 746 |
| TS20(2) | TQ 562 733 | |
| TS21 | Bell Farm | TQ 973 727 |
| TS22 | Whitehall Farm | TQ 882 772 |
| TS23 | Decoy Farm | TQ 792 772 |
| TS24 | Burham | TQ 721 616 |
| TS24(2) | Burham | TQ 734 625 |
| TS25 | TQ 765 762 | |
| TS26 | TQ 720 779 |
Gun Strengths
Battle of Britain & the Blitz
North (TN)
| Dates | 4.5 inch | 3.7 inch static | 3.7 inch mobile | 3 inch |
| May 40 | 21 | 4 | 16 | 4 |
| Jun 40 | 32 | 4 | 4 | 8 |
| Jul-Sep 40 | 32 | 8 | 0 | 8 |
| Oct 40 | 24 | 8 | 0 | 8 |
| Nov 40 | 24 | 4 | 0 | 8 |
| Dec 40 | 24 | 4 | 0 | 4 |
| Jan 41 | 26 | 4 | 0 | 4 |
| Feb-Mar 41 | 28 | 4 | 0 | 4 |
| Apr 41 | 28 | 4 | 0 | 7 |
| May 41 | 28 | 3 | 4 | 0 |
South (TS)
| Dates | 4.5 inch | 3.7 inch static | 3.7 inch mobile | 3 inch |
| May 40 | 24 | 16 | 20 | 10 |
| Jun 40 | 27 | 24 | 24 | 8 |
| Jul 40 | 31 | 24 | 8 | 8 |
| Aug-Sep 40 | 32 | 24 | 8 | 8 |
| Oct 40 | 32 | 24 | 0 | 8 |
| Nov 40 | 28 | 20 | 0 | 8 |
| Dec 40 | 28 | 20 | 0 | 4 |
| Jan-Feb 41 | 28 | 20 | 0 | 8 |
| Mar 41 | 28 | 18 | 2 | 8 |
| Apr 41 | 28 | 16 | 6 | 4 |
| May 41 | 28 | 12 | 8 | 4 |
Overlord & Diver
North (TN)
| Dates | 5.25 inch | 3.7 inch MkVI | 3.7 inch static | 3.7 inch mobile |
| Mar 44 | 0 | 12 | 34 | 16 |
| Apr 44 | 0 | 12 | 34 | 8 |
| Jun 44 | 4 | 12 | 34 | 10 |
| Jul 44 | 4 | 12 | 42 | 0 |
| Aug 44 | 4 | 12 | 90 | 0 |
| Jan 45 | 4 | 12 | 130 | 0 |
| May 45 | 8 | 12 | 158 | 0 |
South (TS)
| Dates | 5.25 inch | 3.7 inch MkVI | 3.7 inch static | 3.7 inch mobile |
| Mar 44 | 9 | 26 | 46 | 4 |
| Apr 44 | 9 | 24 | 46 | 0 |
| Jun-Jul 44 | 8 | 21 | 42 | 0 |
| Aug 44 | 8 | 21 | 50 | 0 |
| Jan 45 | 8 | 20 | 44 | 0 |
| May 45 | 8 | 20 | 60 | 0 |
Heavy AA Regiments known to have occupied sites in this GDA
| Dates | Units |
| May – Jul 42 | 76 (Gloucestershire) Heavy Anti-Aircraft Regiment |
| Dec 43 | 184 (Mixed) Heavy Anti-Aircraft Regiment |