A heavy anti aircraft battery, consisting of eight emplacements. The site was largely cleared in the late 1940s and 1950s though the roads remain. The associated camp was to the south.

Second World War heavy anti-aircraft battery probably built 1940, on Dartford Heath. It was part of the Thames and Medway Gun Defended Area. It is likely to have been for 4 guns (3.7-in. or 4.5-in.). Probably decommissioned in 1945 it was reactivated in the Cold War. It was discontinued as a battery in the mid-1950s and was demolished in 1958, leaving some traces of roads and ground undulations which may be seen within the park.

Second World War Defended Locality DL101, Dartford Heath, Dartford, Kent. Centred on the heavy anti-aircraft battery on the heath it was probably designated in 1940 and decommissioned in 1944. The defended locality may not have been concerned only with the battery but have had a wider tactical purpose. The garrison was 104, with 83 rifles, 4 BLA, 1 Northover Projector, 1 TG (Home Guard) 257 soldiers with some rifles, 4 Lewis LMGs and 3 x 3.7in AA guns (4 Bty RA). (1)

<1> Colonel, Gravesend Sub-Area, 01/09/1941, Gravesend Sub-Area - Plan to defeat invasion. (Unpublished document). SKE24226.